diff --git a/src/system/libroot/posix/string/arch/arm/Jamfile b/src/system/libroot/posix/string/arch/arm/Jamfile
index 6d67684cff..7146ba3e65 100644
--- a/src/system/libroot/posix/string/arch/arm/Jamfile
+++ b/src/system/libroot/posix/string/arch/arm/Jamfile
@@ -5,6 +5,6 @@ UsePrivateSystemHeaders ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) generic ] ;
 
 MergeObject posix_string_arch_$(TARGET_ARCH).o :
-	memcpy.c
+	arch_string.S
 	memset.c
 ;
diff --git a/src/system/libroot/posix/string/arch/arm/arch_string.S b/src/system/libroot/posix/string/arch/arm/arch_string.S
index 88e1bfa4af..5826ce9dea 100644
--- a/src/system/libroot/posix/string/arch/arm/arch_string.S
+++ b/src/system/libroot/posix/string/arch/arm/arch_string.S
@@ -5,7 +5,6 @@
 
 #include <asm_defs.h>
 
-//#warning M68K: optimize memcpy
 #if 1
 
 /* that should be enough for now */