diff --git a/llvm/utils/gn/secondary/compiler-rt/lib/tsan/rtl/BUILD.gn b/llvm/utils/gn/secondary/compiler-rt/lib/tsan/rtl/BUILD.gn
index 197008ce45b14..68f356318aed2 100644
--- a/llvm/utils/gn/secondary/compiler-rt/lib/tsan/rtl/BUILD.gn
+++ b/llvm/utils/gn/secondary/compiler-rt/lib/tsan/rtl/BUILD.gn
@@ -46,8 +46,6 @@ target(tsan_target_type, "rtl") {
   cflags = [ "-fPIE" ]
 
   sources = [
-    "tsan_clock.cpp",
-    "tsan_clock.h",
     "tsan_debugging.cpp",
     "tsan_defs.h",
     "tsan_dense_alloc.h",