--- a/Makefile
+++ b/Makefile
@@ -56,10 +56,6 @@ OBJS =	emsg.o \
 	tofrodos.o \
 	utility.o
 
-# implicit rules
-.c.o:
-	$(CC) $(CFLAGS) $<
-
 # user visible rules
 all: $(FROMDOS) $(TODOS)