diff --git a/include/asm-arm/string.h b/include/asm-arm/string.h
index d835a17..2a45646 100644
--- a/include/asm-arm/string.h
+++ b/include/asm-arm/string.h
@@ -6,25 +6,4 @@
  * optimised inline asm versions are not small.
  */
 
-#undef __HAVE_ARCH_STRRCHR
-extern char * strrchr(const char * s, int c);
-
-#undef __HAVE_ARCH_STRCHR
-extern char * strchr(const char * s, int c);
-
-#undef __HAVE_ARCH_MEMCPY
-extern void * memcpy(void *, const void *, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMMOVE
-extern void * memmove(void *, const void *, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMCHR
-extern void * memchr(const void *, int, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMZERO
-#undef __HAVE_ARCH_MEMSET
-extern void * memset(void *, int, __kernel_size_t);
-
-extern void memzero(void *ptr, __kernel_size_t n);
-
 #endif
diff --git a/include/asm-m68k/string.h b/include/asm-m68k/string.h
index 1e76352..193ec54 100644
--- a/include/asm-m68k/string.h
+++ b/include/asm-m68k/string.h
@@ -29,24 +29,4 @@
  * optimised inline asm versions are not small.
  */
 
-#undef __HAVE_ARCH_STRRCHR
-extern char * strrchr(const char * s, int c);
-
-#undef __HAVE_ARCH_STRCHR
-extern char * strchr(const char * s, int c);
-
-#undef __HAVE_ARCH_MEMCPY
-extern void * memcpy(void *, const void *, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMMOVE
-extern void * memmove(void *, const void *, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMCHR
-extern void * memchr(const void *, int, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMZERO
-#undef __HAVE_ARCH_MEMSET
-extern void * memset(void *, int, __kernel_size_t);
-extern void memzero(void *ptr, __kernel_size_t n);
-
 #endif