diff --git a/os/common/ports/ARMCMx/compilers/GCC/rules.mk b/os/common/ports/ARMCMx/compilers/GCC/rules.mk
index 4ed1bb9b6..2fa3977ef 100644
--- a/os/common/ports/ARMCMx/compilers/GCC/rules.mk
+++ b/os/common/ports/ARMCMx/compilers/GCC/rules.mk
@@ -93,8 +93,9 @@ ACPPOBJS  := $(addprefix $(OBJDIR)/, $(notdir $(ACPPSRC:.cpp=.o)))
 TCOBJS    := $(addprefix $(OBJDIR)/, $(notdir $(TCSRC:.c=.o)))
 TCPPOBJS  := $(addprefix $(OBJDIR)/, $(notdir $(TCPPSRC:.cpp=.o)))
 ASMOBJS   := $(addprefix $(OBJDIR)/, $(notdir $(ASMSRC:.s=.o)))
-ASMXOBJS  := $(addprefix $(OBJDIR)/, $(notdir $(ASMXSRC:.S=.o)))
-OBJS	  := $(ASMXOBJS) $(ASMOBJS) $(ACOBJS) $(TCOBJS) $(ACPPOBJS) $(TCPPOBJS)
+#ASMXOBJS  := $(addprefix $(OBJDIR)/, $(notdir $(ASMXSRC:.S=.o)))
+#OBJS	  := $(ASMXOBJS) $(ASMOBJS) $(ACOBJS) $(TCOBJS) $(ACPPOBJS) $(TCPPOBJS)
+OBJS	  :=             $(ASMOBJS) $(ACOBJS) $(TCOBJS) $(ACPPOBJS) $(TCPPOBJS)
 
 # Paths
 IINCDIR   := $(patsubst %,-I%,$(INCDIR) $(DINCDIR) $(UINCDIR))
@@ -226,14 +227,14 @@ else
 	@$(AS) -c $(ASFLAGS) -I. $(IINCDIR) $< -o $@
 endif
 
-$(ASMXOBJS) : $(OBJDIR)/%.o : %.S Makefile
-ifeq ($(USE_VERBOSE_COMPILE),yes)
-	@echo
-	$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
-else
-	@echo Compiling $(<F)
-	@$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
-endif
+#$(ASMXOBJS) : $(OBJDIR)/%.o : %.S Makefile
+#ifeq ($(USE_VERBOSE_COMPILE),yes)
+#	@echo
+#	$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
+#else
+#	@echo Compiling $(<F)
+#	@$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
+#endif
 
 $(BUILDDIR)/$(PROJECT).elf: $(OBJS) $(LDSCRIPT)
 ifeq ($(USE_VERBOSE_COMPILE),yes)