diff --git a/fastlz.cc b/fastlz.cc
index 3272ca7a8..41ea27a16 100644
--- a/fastlz.cc
+++ b/fastlz.cc
@@ -60,24 +60,9 @@
 #endif
 
 /*
- * Prevent accessing more than 8-bit at once, except on x86 architectures.
+ * Yosys patch: do not do unaligned accesses on any platform
  */
-#if !defined(FASTLZ_STRICT_ALIGN)
 #define FASTLZ_STRICT_ALIGN
-#if defined(__i386__) || defined(__386)  /* GNU C, Sun Studio */
-#undef FASTLZ_STRICT_ALIGN
-#elif defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__amd64) /* GNU C */
-#undef FASTLZ_STRICT_ALIGN
-#elif defined(_M_IX86) /* Intel, MSVC */
-#undef FASTLZ_STRICT_ALIGN
-#elif defined(__386)
-#undef FASTLZ_STRICT_ALIGN
-#elif defined(_X86_) /* MinGW */
-#undef FASTLZ_STRICT_ALIGN
-#elif defined(__I86__) /* Digital Mars */
-#undef FASTLZ_STRICT_ALIGN
-#endif
-#endif
 
 /* prototypes */
 int fastlz_compress(const void* input, int length, void* output);
@@ -88,11 +73,7 @@ int fastlz_decompress(const void* input, int length, void* output, int maxout);
 #define MAX_LEN       264  /* 256 + 8 */
 #define MAX_DISTANCE 8192
 
-#if !defined(FASTLZ_STRICT_ALIGN)
-#define FASTLZ_READU16(p) *((const flzuint16*)(p))
-#else
 #define FASTLZ_READU16(p) ((p)[0] | (p)[1]<<8)
-#endif
 
 #define HASH_LOG  13
 #define HASH_SIZE (1<< HASH_LOG)