diff --git a/subsurface-core/subsurfacestartup.c b/subsurface-core/subsurfacestartup.c
index 5b3dfa8c1..c39c89c17 100644
--- a/subsurface-core/subsurfacestartup.c
+++ b/subsurface-core/subsurfacestartup.c
@@ -313,11 +313,5 @@ 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
 }