diff --git a/arch/arm64/include/asm/alternative-macros.h b/arch/arm64/include/asm/alternative-macros.h
index 8f69660e7781..7ef7c43ce700 100644
--- a/arch/arm64/include/asm/alternative-macros.h
+++ b/arch/arm64/include/asm/alternative-macros.h
@@ -302,7 +302,7 @@ l_yes:
 
 #include <linux/types.h>
 
-static bool cpus_have_cap(unsigned int num);
+static bool __maybe_unused cpus_have_cap(unsigned int num);
 
 /*
  * Return 'false' for all capabilities listed above, and use the slow path for