diff --git a/compiler_wrapper/aarch64_flags.go b/compiler_wrapper/aarch64_flags.go
deleted file mode 100644
index a0d0552..0000000
--- a/compiler_wrapper/aarch64_flags.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2020 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package main
-
-func processAarch64Flags(builder *commandBuilder) {
-	if builder.target.arch == "aarch64" {
-		builder.addPreUserArgs("-mharden-sls=all")
-	}
-}
diff --git a/compiler_wrapper/aarch64_flags_test.go b/compiler_wrapper/aarch64_flags_test.go
deleted file mode 100644
index 0cb692e..0000000
--- a/compiler_wrapper/aarch64_flags_test.go
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2020 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package main
-
-import (
-	"testing"
-)
-
-func TestAddSlsFlagOnAarch64(t *testing.T) {
-	withTestContext(t, func(ctx *testContext) {
-		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
-			ctx.newCommand(clangAarch64, mainCc)))
-		if err := verifyArgOrder(cmd, "-mharden-sls=all", mainCc); err != nil {
-			t.Error(err)
-		}
-	})
-}
diff --git a/compiler_wrapper/compiler_wrapper.go b/compiler_wrapper/compiler_wrapper.go
index 49ee0eb..aa52dfd 100644
--- a/compiler_wrapper/compiler_wrapper.go
+++ b/compiler_wrapper/compiler_wrapper.go
@@ -187,7 +187,6 @@
 	}
 	builder.addPostUserArgs(builder.cfg.clangPostFlags...)
 	calcCommonPreUserArgs(builder)
-	processAarch64Flags(builder)
 	return processClangFlags(builder)
 }
 
diff --git a/compiler_wrapper/testutil_test.go b/compiler_wrapper/testutil_test.go
index 8e2377e..21b7169 100644
--- a/compiler_wrapper/testutil_test.go
+++ b/compiler_wrapper/testutil_test.go
@@ -22,7 +22,6 @@
 	clangAndroid     = "./clang"
 	clangTidyAndroid = "./clang-tidy"
 	clangX86_64      = "./x86_64-cros-linux-gnu-clang"
-	clangAarch64     = "./aarch64-cros-linux-gnu-clang"
 	gccX86_64        = "./x86_64-cros-linux-gnu-gcc"
 	gccX86_64Eabi    = "./x86_64-cros-eabi-gcc"
 	gccArmV7         = "./armv7m-cros-linux-gnu-gcc"