diff --git a/util/m5/m5op_x86.S b/util/m5/m5op_x86.S
index e85051d98..91e07a1f1 100644
--- a/util/m5/m5op_x86.S
+++ b/util/m5/m5op_x86.S
@@ -59,8 +59,3 @@ TWO_BYTE_OP(m5_debugbreak, debugbreak_func)
 TWO_BYTE_OP(m5_switchcpu, switchcpu_func)
 TWO_BYTE_OP(m5_addsymbol, addsymbol_func)
 TWO_BYTE_OP(m5_panic, panic_func)
-TWO_BYTE_OP(m5_reserved1_func, reserved1_func)
-TWO_BYTE_OP(m5_reserved2_func, reserved2_func)
-TWO_BYTE_OP(m5_reserved3_func, reserved3_func)
-TWO_BYTE_OP(m5_reserved4_func, reserved4_func)
-TWO_BYTE_OP(m5_reserved5_func, reserved5_func)