diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h
index e9cce169bb4c..43ab6806ab53 100644
--- a/arch/x86/include/asm/string_32.h
+++ b/arch/x86/include/asm/string_32.h
@@ -9,9 +9,6 @@
 #define __HAVE_ARCH_STRCPY
 extern char *strcpy(char *dest, const char *src);
 
-#define __HAVE_ARCH_STRNCPY
-extern char *strncpy(char *dest, const char *src, size_t count);
-
 #define __HAVE_ARCH_STRCAT
 extern char *strcat(char *dest, const char *src);
 
diff --git a/arch/x86/lib/string_32.c b/arch/x86/lib/string_32.c
index f87ec24fa579..a9480d73c4f0 100644
--- a/arch/x86/lib/string_32.c
+++ b/arch/x86/lib/string_32.c
@@ -30,25 +30,6 @@ char *strcpy(char *dest, const char *src)
 EXPORT_SYMBOL(strcpy);
 #endif
 
-#ifdef __HAVE_ARCH_STRNCPY
-char *strncpy(char *dest, const char *src, size_t count)
-{
-	int d0, d1, d2, d3;
-	asm volatile("1:\tdecl %2\n\t"
-		"js 2f\n\t"
-		"lodsb\n\t"
-		"stosb\n\t"
-		"testb %%al,%%al\n\t"
-		"jne 1b\n\t"
-		"rep stosb\n"
-		"2:"
-		: "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3)
-		: "0" (src), "1" (dest), "2" (count) : "memory");
-	return dest;
-}
-EXPORT_SYMBOL(strncpy);
-#endif
-
 #ifdef __HAVE_ARCH_STRCAT
 char *strcat(char *dest, const char *src)
 {