diff --git a/libc/test/src/CMakeLists.txt b/libc/test/src/CMakeLists.txt
--- a/libc/test/src/CMakeLists.txt
+++ b/libc/test/src/CMakeLists.txt
@@ -15,7 +15,7 @@
   endif()
 
   if(MATH_UNITTEST_NEED_MPFR)
-    list(APPEND MATH_UNITTEST_LINK_LIBRARIES libcMPFRWrapper -lmpfr -lgmp)
+    list(APPEND MATH_UNITTEST_LINK_LIBRARIES libcMPFRWrapper libc_math_test_utils -lmpfr -lgmp)
   endif()
   list(APPEND MATH_UNITTEST_LINK_LIBRARIES LibcFPTestHelpers)
 
diff --git a/libc/test/src/math/CMakeLists.txt b/libc/test/src/math/CMakeLists.txt
--- a/libc/test/src/math/CMakeLists.txt
+++ b/libc/test/src/math/CMakeLists.txt
@@ -1,5 +1,11 @@
 add_libc_testsuite(libc_math_unittests)
 
+add_library(
+  libc_math_test_utils
+  RandUtils.cpp
+  RandUtils.h
+)
+
 add_fp_unittest(
   cosf_test
   NEED_MPFR
diff --git a/libc/test/src/math/FmaTest.h b/libc/test/src/math/FmaTest.h
--- a/libc/test/src/math/FmaTest.h
+++ b/libc/test/src/math/FmaTest.h
@@ -12,8 +12,8 @@
 #include "src/__support/FPUtil/FPBits.h"
 #include "test/UnitTest/FPMatcher.h"
 #include "test/UnitTest/Test.h"
+#include "test/src/math/RandUtils.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
-#include "utils/testutils/RandUtils.h"
 
 namespace mpfr = __llvm_libc::testing::mpfr;
 
diff --git a/libc/utils/testutils/RandUtils.h b/libc/test/src/math/RandUtils.h
rename from libc/utils/testutils/RandUtils.h
rename to libc/test/src/math/RandUtils.h
diff --git a/libc/utils/testutils/RandUtils.cpp b/libc/test/src/math/RandUtils.cpp
rename from libc/utils/testutils/RandUtils.cpp
rename to libc/test/src/math/RandUtils.cpp
diff --git a/libc/utils/testutils/CMakeLists.txt b/libc/utils/testutils/CMakeLists.txt
--- a/libc/utils/testutils/CMakeLists.txt
+++ b/libc/utils/testutils/CMakeLists.txt
@@ -5,8 +5,6 @@
 
 add_library(
   libc_test_utils
-  RandUtils.cpp
-  RandUtils.h
   StreamWrapper.cpp
   StreamWrapper.h
   ${EFFile}