diff --git a/lib/mesa/src/util/u_atomic.h b/lib/mesa/src/util/u_atomic.h
index 52eec46bb..bb6f3c30e 100644
--- a/lib/mesa/src/util/u_atomic.h
+++ b/lib/mesa/src/util/u_atomic.h
@@ -24,8 +24,7 @@
 #elif defined(_MSC_VER)
 #define PIPE_ATOMIC_MSVC_INTRINSIC
 #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_5__) || \
-	defined(__hppa__) || defined(__sparc__) || defined(__sh__) \
-	|| defined(__alpha__)
+      defined(__hppa__) || defined(__sparc__) || defined(__sh__)
 #define PIPE_ATOMIC_UNLOCKED
 #elif defined(__GNUC__)
 #define PIPE_ATOMIC_GCC_INTRINSIC