diff --git a/compiler-rt/lib/asan/asan_mapping.h b/compiler-rt/lib/asan/asan_mapping.h
index c64c0335673140..36e2cb5364f3a3 100644
--- a/compiler-rt/lib/asan/asan_mapping.h
+++ b/compiler-rt/lib/asan/asan_mapping.h
@@ -304,7 +304,6 @@ extern uptr kHighMemEnd, kMidMemBeg, kMidMemEnd;  // Initialized in __asan_init.
 
 namespace __asan {
 
-static inline uptr MemToShadowSize(uptr size) { return size >> SHADOW_SCALE; }
 static inline bool AddrIsInLowMem(uptr a) {
   PROFILE_ASAN_MAPPING();
   return a <= kLowMemEnd;
@@ -356,6 +355,8 @@ static inline bool AddrIsInShadowGap(uptr a) {
 
 namespace __asan {
 
+static inline uptr MemToShadowSize(uptr size) { return size >> SHADOW_SCALE; }
+
 static inline bool AddrIsInMem(uptr a) {
   PROFILE_ASAN_MAPPING();
   return AddrIsInLowMem(a) || AddrIsInMidMem(a) || AddrIsInHighMem(a) ||
diff --git a/compiler-rt/lib/asan/asan_mapping_sparc64.h b/compiler-rt/lib/asan/asan_mapping_sparc64.h
index 167ef154e79bd1..432a1816f797d6 100644
--- a/compiler-rt/lib/asan/asan_mapping_sparc64.h
+++ b/compiler-rt/lib/asan/asan_mapping_sparc64.h
@@ -61,7 +61,6 @@
 
 namespace __asan {
 
-static inline uptr MemToShadowSize(uptr size) { return size >> SHADOW_SCALE; }
 static inline bool AddrIsInLowMem(uptr a) {
   PROFILE_ASAN_MAPPING();
   return a <= kLowMemEnd;