diff --git a/util/m5/m5op_arm.S b/util/m5/m5op_arm.S
index 2176ec6ef7..c0487c01c4 100644
--- a/util/m5/m5op_arm.S
+++ b/util/m5/m5op_arm.S
@@ -62,6 +62,3 @@
 .text
 #define M5OP(name, func, subfunc) m5op_func name, func, subfunc
         M5OP_FOREACH
-
-#define M5_ANNOTATION(name, ann) m5op_func name, M5OP_ANNOTATE, ann
-        M5OP_FOREACH_ANNOTATION
diff --git a/util/m5/m5op_arm_A64.S b/util/m5/m5op_arm_A64.S
index 76d6f19c4b..09d31d3f0c 100644
--- a/util/m5/m5op_arm_A64.S
+++ b/util/m5/m5op_arm_A64.S
@@ -61,6 +61,3 @@
 .text
 #define M5OP(name, func, subfunc) m5op_func name, func, subfunc
         M5OP_FOREACH
-
-#define M5_ANNOTATION(name, ann) m5op_func name, M5OP_ANNOTATE, ann
-        M5OP_FOREACH_ANNOTATION