diff --git a/libcutils/arch-x86/cache.h b/libcutils/arch-x86/cache.h
deleted file mode 100644
index 1c22fea..0000000
--- a/libcutils/arch-x86/cache.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#if defined(__slm__)
-/* Values are optimized for Silvermont */
-#define SHARED_CACHE_SIZE   (1024*1024)         /* Silvermont L2 Cache */
-#define DATA_CACHE_SIZE     (24*1024)           /* Silvermont L1 Data Cache */
-#else
-/* Values are optimized for Atom */
-#define SHARED_CACHE_SIZE   (512*1024)          /* Atom L2 Cache */
-#define DATA_CACHE_SIZE     (24*1024)           /* Atom L1 Data Cache */
-#endif
-
-#define SHARED_CACHE_SIZE_HALF  (SHARED_CACHE_SIZE / 2)
-#define DATA_CACHE_SIZE_HALF    (DATA_CACHE_SIZE / 2)
diff --git a/libcutils/arch-x86_64/cache.h b/libcutils/arch-x86_64/cache.h
deleted file mode 100644
index f144309..0000000
--- a/libcutils/arch-x86_64/cache.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* Values are optimized for Silvermont */
-#define SHARED_CACHE_SIZE	(1024*1024)			/* Silvermont L2 Cache */
-#define DATA_CACHE_SIZE		(24*1024)			/* Silvermont L1 Data Cache */
-
-#define SHARED_CACHE_SIZE_HALF	(SHARED_CACHE_SIZE / 2)
-#define DATA_CACHE_SIZE_HALF	(DATA_CACHE_SIZE / 2)