diff --git a/libc/arch-x86/silvermont/string/sse2-bcopy-slm.S b/libc/arch-x86/silvermont/string/sse2-bcopy-slm.S
deleted file mode 100644
index 190d52f..0000000
--- a/libc/arch-x86/silvermont/string/sse2-bcopy-slm.S
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
-Copyright (c) 2014, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright notice,
-    * this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above copyright notice,
-    * this list of conditions and the following disclaimer in the documentation
-    * and/or other materials provided with the distribution.
-
-    * Neither the name of Intel Corporation nor the names of its contributors
-    * may be used to endorse or promote products derived from this software
-    * without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#define MEMMOVE	bcopy
-#define USE_AS_BCOPY
-#include "sse2-memmove-slm.S"
diff --git a/libc/arch-x86/silvermont/string/sse2-memmove-slm.S b/libc/arch-x86/silvermont/string/sse2-memmove-slm.S
index 6a8f067..bf9f85d 100644
--- a/libc/arch-x86/silvermont/string/sse2-memmove-slm.S
+++ b/libc/arch-x86/silvermont/string/sse2-memmove-slm.S
@@ -73,15 +73,9 @@
 	.size name, .-name
 #endif
 
-#ifdef USE_AS_BCOPY
-# define SRC		PARMS
-# define DEST		SRC+4
-# define LEN		DEST+4
-#else
-# define DEST		PARMS
-# define SRC		DEST+4
-# define LEN		SRC+4
-#endif
+#define DEST		PARMS
+#define SRC		DEST+4
+#define LEN		SRC+4
 
 #define CFI_PUSH(REG)		\
   cfi_adjust_cfa_offset (4);		\