diff --git a/trimsp/src/Makefile b/trimsp/src/Makefile
index 106f77e..2ef33df 100644
--- a/trimsp/src/Makefile
+++ b/trimsp/src/Makefile
@@ -13,15 +13,15 @@ DIALECT = -fno-backslash -fno-automatic -finit-local-zero
 #DIALECT = -finit-local-zero
 OPS=-c $(DIALECT) $(WARN) $(DEBUG)
 # for random number generator
-CERNLIB_DIR = $(CERN_ROOT)/lib
+#CERNLIB_DIR = $(CERN_ROOT)/lib
 #
-all : trimsp7l_tp.o trimsp7l_tp datmak7l_tp.o datmak7l_tp
+all : trimsp7l_zs.o trimsp7l_zs datmak7l_tp.o datmak7l_tp
 
-trimsp7l_tp.o :  trimsp7l_tp.F
+trimsp7l_zs.o :  trimsp7l_zs.F
 	$(FC) $(OPS) $< 
 
-trimsp7l_tp : trimsp7l_tp.o
-	$(FC) -o $(HOME)/bin/$@ $< $(CERNLIB_DIR)/libmathlib.a
+trimsp7l_zs : trimsp7l_zs.o
+	$(FC) -o $(HOME)/bin/$@ $< 
 
 datmak7l_tp.o :  datmak7l_tp.F
 	$(FC) $(OPS) $< 
diff --git a/trimsp/src/Makefile.zs b/trimsp/src/obsolete/Makefile
similarity index 72%
rename from trimsp/src/Makefile.zs
rename to trimsp/src/obsolete/Makefile
index 2ef33df..106f77e 100644
--- a/trimsp/src/Makefile.zs
+++ b/trimsp/src/obsolete/Makefile
@@ -13,15 +13,15 @@ DIALECT = -fno-backslash -fno-automatic -finit-local-zero
 #DIALECT = -finit-local-zero
 OPS=-c $(DIALECT) $(WARN) $(DEBUG)
 # for random number generator
-#CERNLIB_DIR = $(CERN_ROOT)/lib
+CERNLIB_DIR = $(CERN_ROOT)/lib
 #
-all : trimsp7l_zs.o trimsp7l_zs datmak7l_tp.o datmak7l_tp
+all : trimsp7l_tp.o trimsp7l_tp datmak7l_tp.o datmak7l_tp
 
-trimsp7l_zs.o :  trimsp7l_zs.F
+trimsp7l_tp.o :  trimsp7l_tp.F
 	$(FC) $(OPS) $< 
 
-trimsp7l_zs : trimsp7l_zs.o
-	$(FC) -o $(HOME)/bin/$@ $< 
+trimsp7l_tp : trimsp7l_tp.o
+	$(FC) -o $(HOME)/bin/$@ $< $(CERNLIB_DIR)/libmathlib.a
 
 datmak7l_tp.o :  datmak7l_tp.F
 	$(FC) $(OPS) $< 
diff --git a/trimsp/src/trimsp7l_tp.F b/trimsp/src/obsolete/trimsp7l_tp.F
similarity index 100%
rename from trimsp/src/trimsp7l_tp.F
rename to trimsp/src/obsolete/trimsp7l_tp.F