diff --git a/Makefile.rules b/Makefile.rules
index 735ecf68b3..89c2407626 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -40,27 +40,15 @@ endif
 
 %.o: %.c
 	$(ECHO_PREFIX) echo "   [CC] $< -> $@"
-ifeq ($(AST_DEVMODE),yes)
 	$(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) -MMD -MT $@ -MF .$(subst /,_,$@).d -MP
-else
-	$(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS)
-endif
 
 %.o: %.s
 	$(ECHO_PREFIX) echo "   [AS] $< -> $@"
-ifeq ($(AST_DEVMODE),yes)
 	$(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) -MMD -MT $@ -MF .$(subst /,_,$@).d -MP
-else
-	$(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS)
-endif
 
 %.oo: %.cc
 	$(ECHO_PREFIX) echo "   [CXX] $< -> $@"
-ifeq ($(AST_DEVMODE),yes)
 	$(CMD_PREFIX) $(CXX) -o $@ -c $< $(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,$(ASTCFLAGS)) -MMD -MT $@ -MF .$(subst /,_,$@).d -MP
-else
-	$(CMD_PREFIX) $(CXX) -o $@ -c $< $(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,$(ASTCFLAGS))
-endif
 
 %.c: %.y
 	$(ECHO_PREFIX) echo "   [BISON] $< -> $@"