diff --git a/src/plugins/lib/Makefile.am b/src/plugins/lib/Makefile.am
index d3f554dfe..002806b35 100644
--- a/src/plugins/lib/Makefile.am
+++ b/src/plugins/lib/Makefile.am
@@ -47,6 +47,9 @@ DATAFILES = \
 
 dist_pkgdata_DATA = $(GLADEFILES) $(GRAPHICS) $(DATAFILES)
 
+CLEANFILES = \
+    $(xml_DATA)
+
 # Clean up all the byte-compiled files
 MOSTLYCLEANFILES = *pyc *pyo