diff --git a/lib/Makefile.linux b/lib/Makefile.linux
index cdd099acc..ec08904fc 100644
--- a/lib/Makefile.linux
+++ b/lib/Makefile.linux
@@ -63,9 +63,6 @@ INCPATH =  -I'/usr/include/qt4' -I'/usr/include/qt4/QtCore'
 sync9.o: sync9.f90 jt9sync.f90
 	$(FC) $(FFLAGS) -c sync9.f90
 
-spec9.o: spec9.f90 jt9sync.f90
-	$(FC) $(FFLAGS) -c spec9.f90
-
 peakdf9.o: peakdf9.f90 jt9sync.f90
 	$(FC) $(FFLAGS) -c peakdf9.f90