diff --git a/arch/8051/src/Makefile b/arch/8051/src/Makefile
index 47d828b2f0d..fe1995fd042 100644
--- a/arch/8051/src/Makefile
+++ b/arch/8051/src/Makefile
@@ -162,7 +162,7 @@ $(SDCCLIBDIR)/libmysdcc.lib: $(SDCCLIBDIR)/libsdcc.lib
 		grep -v _strcpy | grep -v _memcmp | grep -v _memcpy  | \
 		grep -v _memset \
 		> libmysdcc.lib
-	@sudo mv -f libmysdcc.lib $(SDCCLIBDIR)/libmysdcc.lib
+	@mv -f libmysdcc.lib $(SDCCLIBDIR)/libmysdcc.lib
 
 # This builds the libboard library in the board/ subdirectory 
 
diff --git a/arch/z80/src/Makefile.sdcc b/arch/z80/src/Makefile.sdcc
index e88c2f2bd07..d5ff3b79306 100644
--- a/arch/z80/src/Makefile.sdcc
+++ b/arch/z80/src/Makefile.sdcc
@@ -101,7 +101,7 @@ $(SDCCLIBDIR)/myz80.lib: $(SDCCLIBDIR)/$(SDCCLIB)
 		grep -v alloc | grep -v free | grep -v printf | \
 		grep -v _str  | grep -v _mem | grep -v crt0\.o \
 		> myz80.lib
-	@sudo mv -f myz80.lib $(SDCCLIBDIR)/myz80.lib
+	@mv -f myz80.lib $(SDCCLIBDIR)/myz80.lib
 
 # Create a header file that contains addressing information needed by the code