diff --git a/Makefile.am b/Makefile.am
index 361e821..3935e1f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -186,7 +186,7 @@ HDF5_CPPFLAGS = @HDF5_CPPFLAGS@
 
 if TREXIO_DEVEL
 
-CLEANFILES += $(SOURCES) $(trexio_f) $(trexio_h)
+CLEANFILES += $(SOURCES) $(trexio_f) $(trexio_h) .git_hash
 
 BUILT_SOURCES += $(SOURCES) $(trexio_f) $(test_trexio_f)
 
@@ -261,8 +261,7 @@ CLEANFILES += $(pytrexio_c) \
               python/src/*.c \
               python/src/*.h
 
-.PHONY: cppcheck python-test python-install python-sdist check-numpy
+.PHONY: cppcheck python-test python-install python-sdist check-numpy FORCE
 
 endif
 
-.PHONY: FORCE