diff --git a/include/libtpms/Makefile.am b/include/libtpms/Makefile.am
index eb14c36b..32bd25c6 100644
--- a/include/libtpms/Makefile.am
+++ b/include/libtpms/Makefile.am
@@ -13,3 +13,5 @@ libtpmsinclude_HEADERS = \
 	tpm_nvfilename.h \
 	tpm_tis.h \
 	tpm_types.h
+
+CLEANFILES = tpm_error.h.gch tpm_library.h.gch