diff --git a/runtime/Makefile b/runtime/Makefile
index 48ea8ea93cb..2fad2286f87 100644
--- a/runtime/Makefile
+++ b/runtime/Makefile
@@ -1,7 +1,5 @@
 # Libraries Makefile:  Build all subdirectories automatically
 
-all:: runtime.o
-
 LEVEL = ../..
 DIRS  := $(sort $(filter-out Output/, $(filter-out CVS/, $(wildcard */))))
 
@@ -13,6 +11,3 @@ include ${LEVEL}/Makefile.common
 install::
 
 clean::
-
-runtime.o: ../runtime.c
-	$(CC) -c $(CFLAGS) $<