diff --git a/src/sslengines/Makefile.am b/src/sslengines/Makefile.am
index afb4f33b..2b83c4c0 100644
--- a/src/sslengines/Makefile.am
+++ b/src/sslengines/Makefile.am
@@ -23,8 +23,7 @@ engine_opensc_la_LIBADD = @ENGINE_LINK@ @LIBOPENSC@
 engine_opensc_la_LDFLAGS = @OPENSSL_LDFLAGS@ -module -avoid-version
 
 engine_pkcs11_la_SOURCES = \
-	hw_pkcs11.c engine_pkcs11.c engine_pkcs11.h \
-	pkcs11-internal.h
+	hw_pkcs11.c engine_pkcs11.c engine_pkcs11.h 
 engine_pkcs11_la_CFLAGS = $(OPENSSL_CFLAGS) -I$(srcdir)/../libp11
 engine_pkcs11_la_LIBADD = @ENGINE_LINK@ ../pkcs11/libpkcs11.la ../libp11/libp11.la
 engine_pkcs11_la_LDFLAGS = @OPENSSL_LDFLAGS@ -module -avoid-version