diff --git a/libc/benchmarks/LibcBenchmarkTest.cpp b/libc/benchmarks/LibcBenchmarkTest.cpp
--- a/libc/benchmarks/LibcBenchmarkTest.cpp
+++ b/libc/benchmarks/LibcBenchmarkTest.cpp
@@ -50,9 +50,9 @@
   }
 
 protected:
-  void set_up() override { Options.Log = BenchmarkLog::Full; }
+  void SetUp() override { Options.Log = BenchmarkLog::Full; }
 
-  void tear_down() override {
+  void TearDown() override {
     // We make sure all the expected measurements were performed.
     if (MaybeTimepoints)
       EXPECT_THAT(*MaybeTimepoints, IsEmpty());
diff --git a/libc/test/src/signal/sigprocmask_test.cpp b/libc/test/src/signal/sigprocmask_test.cpp
--- a/libc/test/src/signal/sigprocmask_test.cpp
+++ b/libc/test/src/signal/sigprocmask_test.cpp
@@ -21,9 +21,9 @@
   sigset_t oldSet;
 
 public:
-  void set_up() override { __llvm_libc::sigprocmask(0, nullptr, &oldSet); }
+  void SetUp() override { __llvm_libc::sigprocmask(0, nullptr, &oldSet); }
 
-  void tear_down() override {
+  void TearDown() override {
     __llvm_libc::sigprocmask(SIG_SETMASK, &oldSet, nullptr);
   }
 };