diff --git a/src/coreclr/gc/env/gcenv.base.h b/src/coreclr/gc/env/gcenv.base.h
index 0aa1d0bd673f27a38e4436f5ab4fc0e27ba1a911..59eb74862f5ca3382d4769bc9d247957142971e6 100644
--- a/src/coreclr/gc/env/gcenv.base.h
+++ b/src/coreclr/gc/env/gcenv.base.h
@@ -227,15 +227,10 @@ typedef DWORD (WINAPI *PTHREAD_START_ROUTINE)(void* lpThreadParameter);
 
 #endif // defined(__i386__) || defined(__x86_64__)
 
-#ifdef __aarch64__
+#if defined(__arm__) || defined(__aarch64__)
  #define YieldProcessor() asm volatile ("yield")
  #define MemoryBarrier __sync_synchronize
-#endif // __aarch64__
-
-#ifdef __arm__
- #define YieldProcessor()
- #define MemoryBarrier __sync_synchronize
-#endif // __arm__
+#endif // __arm__ || __aarch64__
 
 #endif // _MSC_VER
 
diff --git a/src/coreclr/pal/inc/pal.h b/src/coreclr/pal/inc/pal.h
index 8e0553e02e88892402cead1948cb28db6918ef09..532c3e82d3ded037a15062b1cf2d9aa406a8aab7 100644
--- a/src/coreclr/pal/inc/pal.h
+++ b/src/coreclr/pal/inc/pal.h
@@ -3582,7 +3582,7 @@ YieldProcessor()
     __asm__ __volatile__(
         "rep\n"
         "nop");
-#elif defined(HOST_ARM64)
+#elif defined(HOST_ARM) || defined(HOST_ARM64)
     __asm__ __volatile__( "yield");
 #else
     return;