diff --git a/core/modules/commands/dump.js b/core/modules/commands/dump.js
index 580fcc26a..8e14a08d2 100644
--- a/core/modules/commands/dump.js
+++ b/core/modules/commands/dump.js
@@ -99,7 +99,6 @@ Command.prototype.subcommands.config = function() {
 	dumpConfig($tw.config,"  $tw.config");
 	dumpObject("Tiddler field modules:",$tw.Tiddler.fieldModules);
 	dumpObject("Loaded modules:",$tw.modules.titles);
-	dumpObject("Loaded modules:",$tw.modules.moduleTypes);
 	dumpObject("Command modules:",$tw.commands);
 	dumpObject("Parser modules:",$tw.wiki.parsers);
 	dumpObject("Macro modules:",$tw.wiki.macros);