diff --git a/subsurfacestartup.c b/subsurfacestartup.c
index 580d8bc84..9e55cd00c 100644
--- a/subsurfacestartup.c
+++ b/subsurfacestartup.c
@@ -308,11 +308,5 @@ void copy_prefs(struct preferences *src, struct preferences *dest)
  */
 void free_prefs(void)
 {
-	free((void*)prefs.default_cylinder);
-	free((void*)prefs.divelist_font);
-	free((void*)prefs.cloud_storage_password);
-	free(prefs.proxy_host);
-	free(prefs.proxy_user);
-	free(prefs.proxy_pass);
-	free(prefs.userid);
+	// nop
 }