diff --git a/crypto/sha3/COMMEN/align.h b/crypto/sha3/COMMEN/align.h
deleted file mode 100644
index 9744a007..00000000
--- a/crypto/sha3/COMMEN/align.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef _align_h_
-#define _align_h_
-
-#ifdef ALIGN
-#undef ALIGN
-#endif
-
-#if defined(__GNUC__)
-#define ALIGN(x) __attribute__ ((aligned(x)))
-#elif defined(_MSC_VER)
-#define ALIGN(x) __declspec(align(x))
-#elif defined(__ARMCC_VERSION)
-#define ALIGN(x) __align(x)
-#else
-#define ALIGN(x)
-#endif
-
-#endif