diff --git a/cc/arm64_device.go b/cc/arm64_device.go
index 309d01d..201c0f2 100644
--- a/cc/arm64_device.go
+++ b/cc/arm64_device.go
@@ -105,7 +105,7 @@
 }
 
 func (t *toolchainArm64) Cflags() string {
-	return "${arm64Cflags} ${arm64IncludeFlags}"
+	return "${arm64Cflags}"
 }
 
 func (t *toolchainArm64) Cppflags() string {