diff --git a/cc/config/arm_device.go b/cc/config/arm_device.go
index f093563..d50de2b 100644
--- a/cc/config/arm_device.go
+++ b/cc/config/arm_device.go
@@ -102,11 +102,6 @@
 			"-mfloat-abi=softfp",
 			"-mfpu=neon",
 		},
-		"armv8-a": []string{
-			"-march=armv8-a",
-			"-mfloat-abi=softfp",
-			"-mfpu=neon-fp-armv8",
-		},
 	}
 
 	armCpuVariantCflags = map[string][]string{
@@ -179,7 +174,6 @@
 		"armv5te",
 		"armv7-a",
 		"armv7-a-neon",
-		"armv8-a",
 		"cortex-a7",
 		"cortex-a8",
 		"cortex-a9",
@@ -194,19 +188,12 @@
 		"denver")
 
 	android.RegisterArchVariantFeatures(android.Arm, "armv7-a-neon", "neon")
-	android.RegisterArchVariantFeatures(android.Arm, "armv8-a", "neon")
 
 	// Krait and Kryo targets are not supported by GCC, but are supported by Clang,
 	// so override the definitions when building modules with Clang.
 	replaceFirst(armClangCpuVariantCflags["krait"], "-mcpu=cortex-a15", "-mcpu=krait")
 	replaceFirst(armClangCpuVariantCflags["kryo"], "-mcpu=cortex-a15", "-mcpu=krait")
 
-	// The reason we use "-march=armv8-a+crc", instead of "-march=armv8-a", for
-	// gcc is the latter would conflict with any specified/supported -mcpu!
-	// All armv8-a cores supported by gcc 4.9 support crc, so it's safe
-	// to add +crc. Besides, the use of gcc is only for legacy code.
-	replaceFirst(armArchVariantCflags["armv8-a"], "-march=armv8-a", "-march=armv8-a+crc")
-
 	pctx.StaticVariable("armGccVersion", armGccVersion)
 
 	pctx.SourcePathVariable("ArmGccRoot",
@@ -228,7 +215,6 @@
 	pctx.StaticVariable("ArmArmv5TECflags", strings.Join(armArchVariantCflags["armv5te"], " "))
 	pctx.StaticVariable("ArmArmv7ACflags", strings.Join(armArchVariantCflags["armv7-a"], " "))
 	pctx.StaticVariable("ArmArmv7ANeonCflags", strings.Join(armArchVariantCflags["armv7-a-neon"], " "))
-	pctx.StaticVariable("ArmArmv8ACflags", strings.Join(armArchVariantCflags["armv8-a"], " "))
 
 	// Cpu variant cflags
 	pctx.StaticVariable("ArmGenericCflags", strings.Join(armCpuVariantCflags[""], " "))
@@ -256,8 +242,6 @@
 		strings.Join(armClangArchVariantCflags["armv7-a"], " "))
 	pctx.StaticVariable("ArmClangArmv7ANeonCflags",
 		strings.Join(armClangArchVariantCflags["armv7-a-neon"], " "))
-	pctx.StaticVariable("ArmClangArmv8ACflags",
-		strings.Join(armClangArchVariantCflags["armv8-a"], " "))
 
 	// Clang cpu variant cflags
 	pctx.StaticVariable("ArmClangGenericCflags",
@@ -281,7 +265,6 @@
 		"armv5te":      "${config.ArmArmv5TECflags}",
 		"armv7-a":      "${config.ArmArmv7ACflags}",
 		"armv7-a-neon": "${config.ArmArmv7ANeonCflags}",
-		"armv8-a":      "${config.ArmArmv8ACflags}",
 	}
 
 	armCpuVariantCflagsVar = map[string]string{
@@ -303,7 +286,6 @@
 		"armv5te":      "${config.ArmClangArmv5TECflags}",
 		"armv7-a":      "${config.ArmClangArmv7ACflags}",
 		"armv7-a-neon": "${config.ArmClangArmv7ANeonCflags}",
-		"armv8-a":      "${config.ArmClangArmv8ACflags}",
 	}
 
 	armClangCpuVariantCflagsVar = map[string]string{
@@ -420,11 +402,6 @@
 	toolchainClangCflags[0] = "${config.ArmToolchainClangCflags}"
 	toolchainClangCflags[1] = armClangArchVariantCflagsVar[arch.ArchVariant]
 
-	toolchainCflags = append(toolchainCflags,
-		variantOrDefault(armCpuVariantCflagsVar, arch.CpuVariant))
-	toolchainClangCflags = append(toolchainClangCflags,
-		variantOrDefault(armClangCpuVariantCflagsVar, arch.CpuVariant))
-
 	switch arch.ArchVariant {
 	case "armv7-a-neon":
 		switch arch.CpuVariant {
@@ -434,12 +411,15 @@
 		default:
 			fixCortexA8 = "-Wl,--no-fix-cortex-a8"
 		}
+
+		toolchainCflags = append(toolchainCflags,
+			variantOrDefault(armCpuVariantCflagsVar, arch.CpuVariant))
+		toolchainClangCflags = append(toolchainClangCflags,
+			variantOrDefault(armClangCpuVariantCflagsVar, arch.CpuVariant))
 	case "armv7-a":
 		fixCortexA8 = "-Wl,--fix-cortex-a8"
 	case "armv5te":
 		// Nothing extra for armv5te
-	case "armv8-a":
-		// Nothing extra for armv8-a
 	default:
 		panic(fmt.Sprintf("Unknown ARM architecture version: %q", arch.ArchVariant))
 	}