diff --git a/compiler-rt/lib/tsan/rtl/tsan_platform.h b/compiler-rt/lib/tsan/rtl/tsan_platform.h
index 4b7abb58ca2c2f75e4c6f9ed667e07b484e3e42a..c859c3e85b1989c57abe1402687fbc2e80a35407 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform.h
@@ -137,7 +137,6 @@ void FlushShadowMemory();
 
 const char *InitializePlatform();
 void FinalizePlatform();
-void MapThreadTrace(uptr addr, uptr size);
 uptr ALWAYS_INLINE INLINE GetThreadTrace(int tid) {
   uptr p = kTraceMemBegin + (uptr)tid * kTraceSize * sizeof(Event);
   DCHECK_LT(p, kTraceMemBegin + kTraceMemSize);
diff --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
index 0a2ec3cdd1057458b439934b3fac7661f6b4baa6..523f97c17031362a9713645a3a43b88b900437b9 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
@@ -120,16 +120,6 @@ void InitializeShadowMemory() {
 }
 #endif
 
-void MapThreadTrace(uptr addr, uptr size) {
-  DPrintf("Mapping trace at %p-%p(0x%zx)\n", addr, addr + size, size);
-  CHECK_GE(addr, kTraceMemBegin);
-  CHECK_LE(addr + size, kTraceMemBegin + kTraceMemSize);
-  if (addr != (uptr)MmapFixedNoReserve(addr, size)) {
-    Printf("FATAL: ThreadSanitizer can not mmap thread trace\n");
-    Die();
-  }
-}
-
 static uptr g_data_start;
 static uptr g_data_end;
 
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
index 7bb090d3984375bf09973d12e572007a8be39bab..3522a0a943017b64c8426528c7aa8a99f289b9fa 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
@@ -166,6 +166,16 @@ void MapShadow(uptr addr, uptr size) {
   MmapFixedNoReserve(MemToShadow(addr), size * kShadowMultiplier);
 }
 
+void MapThreadTrace(uptr addr, uptr size) {
+  DPrintf("Mapping trace at %p-%p(0x%zx)\n", addr, addr + size, size);
+  CHECK_GE(addr, kTraceMemBegin);
+  CHECK_LE(addr + size, kTraceMemBegin + kTraceMemSize);
+  if (addr != (uptr)MmapFixedNoReserve(addr, size)) {
+    Printf("FATAL: ThreadSanitizer can not mmap thread trace\n");
+    Die();
+  }
+}
+
 void Initialize(ThreadState *thr) {
   // Thread safe because done before all threads exist.
   static bool is_initialized = false;
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.h b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
index ca06716b8179e4f44ced337d933441fdeb020f47..b14c99ef0912ecaf95da6fe85f5eaac0451b24b9 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -482,6 +482,7 @@ void ALWAYS_INLINE INLINE StatInc(ThreadState *thr, StatType typ, u64 n = 1) {
 }
 
 void MapShadow(uptr addr, uptr size);
+void MapThreadTrace(uptr addr, uptr size);
 void InitializeShadowMemory();
 void InitializeInterceptors();
 void InitializeDynamicAnnotations();