--- ray/src/rt/Rmakefile	2014/02/18 12:13:42	2.71
+++ ray/src/rt/Rmakefile	2014/04/26 15:59:38	2.72
@@ -1,4 +1,4 @@
-# RCSid: $Id: Rmakefile,v 2.71 2014/02/18 12:13:42 greg Exp $
+# RCSid: $Id: Rmakefile,v 2.72 2014/04/26 15:59:38 greg Exp $
 #
 # Compiles for ray tracing programs.
 #
@@ -109,7 +109,7 @@ install:	all rayinit.cal
 ogl:	
 
 clean:
-	set nonomatch; rm -f $(PROGS) *.o core
+	set nonomatch; rm -f $(PROGS) *.o
 
 lint:	$(RVSRC)
 	$(LINT) $(LINTFLAGS) -DRVIEW $(RVSRC) $(LIBS)