diff --git a/books/Makefile.pamphlet b/books/Makefile.pamphlet
index 3fac72d..66411fd 100644
--- a/books/Makefile.pamphlet
+++ b/books/Makefile.pamphlet
@@ -37,7 +37,7 @@ BOOKS=${PDF}/bookvol0.pdf    ${PDF}/bookvol1.pdf    ${PDF}/bookvol2.pdf \
       ${PDF}/bookvol11.pdf   ${PDF}/bookvol12.pdf   ${PDF}/bookvolbib.pdf
 
 all: announce ${PDF}/axiom.sty ${BOOKS} ${PDF}/toc.pdf 
-	@(cd ${PDF} ; ${RM} *.out *.toc )
+	@(cd ${PDF} ; ${RM} *.out *.toc *.sty *.def *.png)
 
 announce:
 	@ echo ==================================