diff --git a/src/Makefile.am b/src/Makefile.am
index 9d22b00..c6848fc 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -198,7 +198,9 @@ libbsd_ctor_a_SOURCES = \
 # Generate a simple libtool symbol export list to be used as a fallback if
 # there is no version script support.
 libbsd.sym: libbsd.map
-	$(AM_V_GEN) $(SED) -ne 's/^[[:space:]]\{1,\}\([A-Za-z0-9_]\{1,\}\);/\1/p' libbsd.map > $@
+	$(AM_V_GEN) $(SED) -ne 's/^[[:space:]]\{1,\}\([A-Za-z0-9_]\{1,\}\);/\1/p' libbsd.map \
+	  | grep -Ev '(group_from_gid|user_from_uid|nlist|__fdnlist|bsd_getopt)' \
+	  > $@
 
 if NEED_TRANSPARENT_LIBMD
 TRANSPARENT_LIBMD_DEPENDS = format.ld