diff --git a/libc/src/math/cosf.cpp b/libc/src/math/cosf.cpp
--- a/libc/src/math/cosf.cpp
+++ b/libc/src/math/cosf.cpp
@@ -9,8 +9,8 @@
 #include "math_utils.h"
 #include "sincosf_utils.h"
 
-#include "include/math.h"
 #include "src/__support/common.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/math/exp2f.cpp b/libc/src/math/exp2f.cpp
--- a/libc/src/math/exp2f.cpp
+++ b/libc/src/math/exp2f.cpp
@@ -9,8 +9,8 @@
 #include "exp_utils.h"
 #include "math_utils.h"
 
-#include "include/math.h"
 #include "src/__support/common.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/math/expf.cpp b/libc/src/math/expf.cpp
--- a/libc/src/math/expf.cpp
+++ b/libc/src/math/expf.cpp
@@ -9,8 +9,8 @@
 #include "exp_utils.h"
 #include "math_utils.h"
 
-#include "include/math.h"
 #include "src/__support/common.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/math/math_utils.h b/libc/src/math/math_utils.h
--- a/libc/src/math/math_utils.h
+++ b/libc/src/math/math_utils.h
@@ -9,11 +9,11 @@
 #ifndef LLVM_LIBC_SRC_MATH_MATH_UTILS_H
 #define LLVM_LIBC_SRC_MATH_MATH_UTILS_H
 
-#include "include/errno.h"
-#include "include/math.h"
 #include "src/__support/common.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "utils/CPP/TypeTraits.h"
+#include <errno.h>
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/math/sincosf.cpp b/libc/src/math/sincosf.cpp
--- a/libc/src/math/sincosf.cpp
+++ b/libc/src/math/sincosf.cpp
@@ -9,8 +9,8 @@
 #include "math_utils.h"
 #include "sincosf_utils.h"
 
-#include "include/math.h"
 #include "src/__support/common.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/math/sinf.cpp b/libc/src/math/sinf.cpp
--- a/libc/src/math/sinf.cpp
+++ b/libc/src/math/sinf.cpp
@@ -9,8 +9,8 @@
 #include "math_utils.h"
 #include "sincosf_utils.h"
 
-#include "include/math.h"
 #include "src/__support/common.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/src/string/strcat.h b/libc/src/string/strcat.h
--- a/libc/src/string/strcat.h
+++ b/libc/src/string/strcat.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STRING_STRCAT_H
 #define LLVM_LIBC_SRC_STRING_STRCAT_H
 
-#include "include/string.h"
+#include <string.h>
 
 namespace __llvm_libc {
 
diff --git a/libc/src/string/strcpy.h b/libc/src/string/strcpy.h
--- a/libc/src/string/strcpy.h
+++ b/libc/src/string/strcpy.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STRING_STRCPY_H
 #define LLVM_LIBC_SRC_STRING_STRCPY_H
 
-#include "include/string.h"
+#include <string.h>
 
 namespace __llvm_libc {
 
diff --git a/libc/src/string/strlen.h b/libc/src/string/strlen.h
--- a/libc/src/string/strlen.h
+++ b/libc/src/string/strlen.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STRING_STRLEN_H
 #define LLVM_LIBC_SRC_STRING_STRLEN_H
 
-#include "include/string.h"
+#include <string.h>
 
 namespace __llvm_libc {
 
diff --git a/libc/test/src/math/FDimTest.h b/libc/test/src/math/FDimTest.h
--- a/libc/test/src/math/FDimTest.h
+++ b/libc/test/src/math/FDimTest.h
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 template <typename T>
 class FDimTestTemplate : public __llvm_libc::testing::Test {
diff --git a/libc/test/src/math/ILogbTest.h b/libc/test/src/math/ILogbTest.h
--- a/libc/test/src/math/ILogbTest.h
+++ b/libc/test/src/math/ILogbTest.h
@@ -9,10 +9,10 @@
 #ifndef LLVM_LIBC_TEST_SRC_MATH_ILOGBTEST_H
 #define LLVM_LIBC_TEST_SRC_MATH_ILOGBTEST_H
 
-#include "include/math.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <limits.h>
 
diff --git a/libc/test/src/math/ceil_test.cpp b/libc/test/src/math/ceil_test.cpp
--- a/libc/test/src/math/ceil_test.cpp
+++ b/libc/test/src/math/ceil_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/ceil.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/ceilf_test.cpp b/libc/test/src/math/ceilf_test.cpp
--- a/libc/test/src/math/ceilf_test.cpp
+++ b/libc/test/src/math/ceilf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/ceilf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/ceill_test.cpp b/libc/test/src/math/ceill_test.cpp
--- a/libc/test/src/math/ceill_test.cpp
+++ b/libc/test/src/math/ceill_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/ceill.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/copysign_test.cpp b/libc/test/src/math/copysign_test.cpp
--- a/libc/test/src/math/copysign_test.cpp
+++ b/libc/test/src/math/copysign_test.cpp
@@ -6,11 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/copysign.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/copysignf_test.cpp b/libc/test/src/math/copysignf_test.cpp
--- a/libc/test/src/math/copysignf_test.cpp
+++ b/libc/test/src/math/copysignf_test.cpp
@@ -6,11 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/copysignf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/copysignl_test.cpp b/libc/test/src/math/copysignl_test.cpp
--- a/libc/test/src/math/copysignl_test.cpp
+++ b/libc/test/src/math/copysignl_test.cpp
@@ -6,11 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/copysignl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/cosf_test.cpp b/libc/test/src/math/cosf_test.cpp
--- a/libc/test/src/math/cosf_test.cpp
+++ b/libc/test/src/math/cosf_test.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/errno.h"
-#include "include/math.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "src/math/cosf.h"
 #include "test/src/math/sdcomp26094.h"
@@ -18,6 +17,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/test/src/math/exp2f_test.cpp b/libc/test/src/math/exp2f_test.cpp
--- a/libc/test/src/math/exp2f_test.cpp
+++ b/libc/test/src/math/exp2f_test.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/errno.h"
-#include "include/math.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "src/math/exp2f.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -16,6 +15,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/test/src/math/expf_test.cpp b/libc/test/src/math/expf_test.cpp
--- a/libc/test/src/math/expf_test.cpp
+++ b/libc/test/src/math/expf_test.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/errno.h"
-#include "include/math.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "src/math/expf.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -16,6 +15,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/test/src/math/fabs_test.cpp b/libc/test/src/math/fabs_test.cpp
--- a/libc/test/src/math/fabs_test.cpp
+++ b/libc/test/src/math/fabs_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fabs.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/fabsf_test.cpp b/libc/test/src/math/fabsf_test.cpp
--- a/libc/test/src/math/fabsf_test.cpp
+++ b/libc/test/src/math/fabsf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fabsf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/fabsl_test.cpp b/libc/test/src/math/fabsl_test.cpp
--- a/libc/test/src/math/fabsl_test.cpp
+++ b/libc/test/src/math/fabsl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fabsl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/fdim_test.cpp b/libc/test/src/math/fdim_test.cpp
--- a/libc/test/src/math/fdim_test.cpp
+++ b/libc/test/src/math/fdim_test.cpp
@@ -8,11 +8,11 @@
 
 #include "FDimTest.h"
 
-#include "include/math.h"
 #include "src/math/fdim.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FDimTest = FDimTestTemplate<double>;
 
diff --git a/libc/test/src/math/fdimf_test.cpp b/libc/test/src/math/fdimf_test.cpp
--- a/libc/test/src/math/fdimf_test.cpp
+++ b/libc/test/src/math/fdimf_test.cpp
@@ -8,11 +8,11 @@
 
 #include "FDimTest.h"
 
-#include "include/math.h"
 #include "src/math/fdimf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FDimTest = FDimTestTemplate<float>;
 
diff --git a/libc/test/src/math/fdiml_test.cpp b/libc/test/src/math/fdiml_test.cpp
--- a/libc/test/src/math/fdiml_test.cpp
+++ b/libc/test/src/math/fdiml_test.cpp
@@ -8,11 +8,11 @@
 
 #include "FDimTest.h"
 
-#include "include/math.h"
 #include "src/math/fdiml.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FDimTest = FDimTestTemplate<long double>;
 
diff --git a/libc/test/src/math/floor_test.cpp b/libc/test/src/math/floor_test.cpp
--- a/libc/test/src/math/floor_test.cpp
+++ b/libc/test/src/math/floor_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/floor.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/floorf_test.cpp b/libc/test/src/math/floorf_test.cpp
--- a/libc/test/src/math/floorf_test.cpp
+++ b/libc/test/src/math/floorf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/floorf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/floorl_test.cpp b/libc/test/src/math/floorl_test.cpp
--- a/libc/test/src/math/floorl_test.cpp
+++ b/libc/test/src/math/floorl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/floorl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/fmax_test.cpp b/libc/test/src/math/fmax_test.cpp
--- a/libc/test/src/math/fmax_test.cpp
+++ b/libc/test/src/math/fmax_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fmax.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/fmaxf_test.cpp b/libc/test/src/math/fmaxf_test.cpp
--- a/libc/test/src/math/fmaxf_test.cpp
+++ b/libc/test/src/math/fmaxf_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fmaxf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/fmaxl_test.cpp b/libc/test/src/math/fmaxl_test.cpp
--- a/libc/test/src/math/fmaxl_test.cpp
+++ b/libc/test/src/math/fmaxl_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fmaxl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/fmin_test.cpp b/libc/test/src/math/fmin_test.cpp
--- a/libc/test/src/math/fmin_test.cpp
+++ b/libc/test/src/math/fmin_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fmin.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/fminf_test.cpp b/libc/test/src/math/fminf_test.cpp
--- a/libc/test/src/math/fminf_test.cpp
+++ b/libc/test/src/math/fminf_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fminf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/fminl_test.cpp b/libc/test/src/math/fminl_test.cpp
--- a/libc/test/src/math/fminl_test.cpp
+++ b/libc/test/src/math/fminl_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/fminl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/frexp_test.cpp b/libc/test/src/math/frexp_test.cpp
--- a/libc/test/src/math/frexp_test.cpp
+++ b/libc/test/src/math/frexp_test.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/frexp.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -16,6 +15,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 using __llvm_libc::fputil::valueAsBits;
diff --git a/libc/test/src/math/frexpf_test.cpp b/libc/test/src/math/frexpf_test.cpp
--- a/libc/test/src/math/frexpf_test.cpp
+++ b/libc/test/src/math/frexpf_test.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/frexpf.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -16,6 +15,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 using __llvm_libc::fputil::valueAsBits;
diff --git a/libc/test/src/math/frexpl_test.cpp b/libc/test/src/math/frexpl_test.cpp
--- a/libc/test/src/math/frexpl_test.cpp
+++ b/libc/test/src/math/frexpl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/frexpl.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/hypotf_test.cpp b/libc/test/src/math/hypotf_test.cpp
--- a/libc/test/src/math/hypotf_test.cpp
+++ b/libc/test/src/math/hypotf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/hypotf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 using UIntType = FPBits::UIntType;
diff --git a/libc/test/src/math/ilogb_test.cpp b/libc/test/src/math/ilogb_test.cpp
--- a/libc/test/src/math/ilogb_test.cpp
+++ b/libc/test/src/math/ilogb_test.cpp
@@ -8,12 +8,12 @@
 
 #include "ILogbTest.h"
 
-#include "include/math.h"
 #include "src/math/ilogb.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 TEST_F(ILogbTest, SpecialNumbers_ilogb) {
   testSpecialNumbers<double>(&__llvm_libc::ilogb);
diff --git a/libc/test/src/math/ilogbf_test.cpp b/libc/test/src/math/ilogbf_test.cpp
--- a/libc/test/src/math/ilogbf_test.cpp
+++ b/libc/test/src/math/ilogbf_test.cpp
@@ -8,12 +8,12 @@
 
 #include "ILogbTest.h"
 
-#include "include/math.h"
 #include "src/math/ilogbf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 TEST_F(ILogbTest, SpecialNumbers_ilogbf) {
   testSpecialNumbers<float>(&__llvm_libc::ilogbf);
diff --git a/libc/test/src/math/ilogbl_test.cpp b/libc/test/src/math/ilogbl_test.cpp
--- a/libc/test/src/math/ilogbl_test.cpp
+++ b/libc/test/src/math/ilogbl_test.cpp
@@ -8,12 +8,12 @@
 
 #include "ILogbTest.h"
 
-#include "include/math.h"
 #include "src/math/ilogbl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using RunContext = __llvm_libc::testing::RunContext;
 
diff --git a/libc/test/src/math/logb_test.cpp b/libc/test/src/math/logb_test.cpp
--- a/libc/test/src/math/logb_test.cpp
+++ b/libc/test/src/math/logb_test.cpp
@@ -6,13 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/logb.h"
 #include "utils/FPUtil/BitPatterns.h"
 #include "utils/FPUtil/FloatOperations.h"
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using __llvm_libc::fputil::valueAsBits;
 using __llvm_libc::fputil::valueFromBits;
diff --git a/libc/test/src/math/logbf_test.cpp b/libc/test/src/math/logbf_test.cpp
--- a/libc/test/src/math/logbf_test.cpp
+++ b/libc/test/src/math/logbf_test.cpp
@@ -6,13 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/logbf.h"
 #include "utils/FPUtil/BitPatterns.h"
 #include "utils/FPUtil/FloatOperations.h"
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using __llvm_libc::fputil::valueAsBits;
 using __llvm_libc::fputil::valueFromBits;
diff --git a/libc/test/src/math/logbl_test.cpp b/libc/test/src/math/logbl_test.cpp
--- a/libc/test/src/math/logbl_test.cpp
+++ b/libc/test/src/math/logbl_test.cpp
@@ -6,11 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/logbl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/ManipulationFunctions.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/modf_test.cpp b/libc/test/src/math/modf_test.cpp
--- a/libc/test/src/math/modf_test.cpp
+++ b/libc/test/src/math/modf_test.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/modf.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -14,6 +13,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/FPUtil/NearestIntegerOperations.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using __llvm_libc::fputil::valueAsBits;
 using __llvm_libc::fputil::valueFromBits;
diff --git a/libc/test/src/math/modff_test.cpp b/libc/test/src/math/modff_test.cpp
--- a/libc/test/src/math/modff_test.cpp
+++ b/libc/test/src/math/modff_test.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/modff.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/BitPatterns.h"
@@ -14,6 +13,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/FPUtil/NearestIntegerOperations.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using __llvm_libc::fputil::valueAsBits;
 using __llvm_libc::fputil::valueFromBits;
diff --git a/libc/test/src/math/modfl_test.cpp b/libc/test/src/math/modfl_test.cpp
--- a/libc/test/src/math/modfl_test.cpp
+++ b/libc/test/src/math/modfl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/modfl.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/NearestIntegerOperations.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/remquo_test.cpp b/libc/test/src/math/remquo_test.cpp
--- a/libc/test/src/math/remquo_test.cpp
+++ b/libc/test/src/math/remquo_test.cpp
@@ -6,13 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/remquo.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 using UIntType = FPBits::UIntType;
diff --git a/libc/test/src/math/remquof_test.cpp b/libc/test/src/math/remquof_test.cpp
--- a/libc/test/src/math/remquof_test.cpp
+++ b/libc/test/src/math/remquof_test.cpp
@@ -6,13 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/remquof.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 using UIntType = FPBits::UIntType;
diff --git a/libc/test/src/math/remquol_test.cpp b/libc/test/src/math/remquol_test.cpp
--- a/libc/test/src/math/remquol_test.cpp
+++ b/libc/test/src/math/remquol_test.cpp
@@ -6,13 +6,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/remquol.h"
 #include "utils/FPUtil/BasicOperations.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 using UIntType = FPBits::UIntType;
diff --git a/libc/test/src/math/round_test.cpp b/libc/test/src/math/round_test.cpp
--- a/libc/test/src/math/round_test.cpp
+++ b/libc/test/src/math/round_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/round.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/roundf_test.cpp b/libc/test/src/math/roundf_test.cpp
--- a/libc/test/src/math/roundf_test.cpp
+++ b/libc/test/src/math/roundf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/roundf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/roundl_test.cpp b/libc/test/src/math/roundl_test.cpp
--- a/libc/test/src/math/roundl_test.cpp
+++ b/libc/test/src/math/roundl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/roundl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 
diff --git a/libc/test/src/math/sincosf_test.cpp b/libc/test/src/math/sincosf_test.cpp
--- a/libc/test/src/math/sincosf_test.cpp
+++ b/libc/test/src/math/sincosf_test.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/errno.h"
-#include "include/math.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "src/math/sincosf.h"
 #include "test/src/math/sdcomp26094.h"
@@ -18,6 +17,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/test/src/math/sinf_test.cpp b/libc/test/src/math/sinf_test.cpp
--- a/libc/test/src/math/sinf_test.cpp
+++ b/libc/test/src/math/sinf_test.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/errno.h"
-#include "include/math.h"
 #include "src/errno/llvmlibc_errno.h"
 #include "src/math/sinf.h"
 #include "test/src/math/sdcomp26094.h"
@@ -18,6 +17,7 @@
 #include "utils/FPUtil/FloatProperties.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 #include <stdint.h>
 
diff --git a/libc/test/src/math/sqrt_test.cpp b/libc/test/src/math/sqrt_test.cpp
--- a/libc/test/src/math/sqrt_test.cpp
+++ b/libc/test/src/math/sqrt_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/sqrt.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 using UIntType = typename FPBits::UIntType;
diff --git a/libc/test/src/math/sqrtf_test.cpp b/libc/test/src/math/sqrtf_test.cpp
--- a/libc/test/src/math/sqrtf_test.cpp
+++ b/libc/test/src/math/sqrtf_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/sqrtf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 using UIntType = typename FPBits::UIntType;
diff --git a/libc/test/src/math/sqrtl_test.cpp b/libc/test/src/math/sqrtl_test.cpp
--- a/libc/test/src/math/sqrtl_test.cpp
+++ b/libc/test/src/math/sqrtl_test.cpp
@@ -6,11 +6,11 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/sqrtl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;
 using UIntType = typename FPBits::UIntType;
diff --git a/libc/test/src/math/trunc_test.cpp b/libc/test/src/math/trunc_test.cpp
--- a/libc/test/src/math/trunc_test.cpp
+++ b/libc/test/src/math/trunc_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/trunc.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<double>;
 
diff --git a/libc/test/src/math/truncf_test.cpp b/libc/test/src/math/truncf_test.cpp
--- a/libc/test/src/math/truncf_test.cpp
+++ b/libc/test/src/math/truncf_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/truncf.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<float>;
 
diff --git a/libc/test/src/math/truncl_test.cpp b/libc/test/src/math/truncl_test.cpp
--- a/libc/test/src/math/truncl_test.cpp
+++ b/libc/test/src/math/truncl_test.cpp
@@ -6,12 +6,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "include/math.h"
 #include "src/math/truncl.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/FPUtil/TestHelpers.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
+#include <math.h>
 
 using FPBits = __llvm_libc::fputil::FPBits<long double>;