diff --git a/engines/agi/preagi.cpp b/engines/agi/preagi.cpp
index 320c53416f9..5a3c53fec96 100644
--- a/engines/agi/preagi.cpp
+++ b/engines/agi/preagi.cpp
@@ -37,17 +37,6 @@ PreAgiEngine::PreAgiEngine(OSystem *syst, const AGIGameDescription *gameDesc) :
 	// Setup mixer
 	syncSoundSettings();
 
-	DebugMan.addDebugChannel(kDebugLevelMain, "Main", "Generic debug level");
-	DebugMan.addDebugChannel(kDebugLevelResources, "Resources", "Resources debugging");
-	DebugMan.addDebugChannel(kDebugLevelSprites, "Sprites", "Sprites debugging");
-	DebugMan.addDebugChannel(kDebugLevelInventory, "Inventory", "Inventory debugging");
-	DebugMan.addDebugChannel(kDebugLevelInput, "Input", "Input events debugging");
-	DebugMan.addDebugChannel(kDebugLevelMenu, "Menu", "Menu debugging");
-	DebugMan.addDebugChannel(kDebugLevelScripts, "Scripts", "Scripts debugging");
-	DebugMan.addDebugChannel(kDebugLevelSound, "Sound", "Sound debugging");
-	DebugMan.addDebugChannel(kDebugLevelText, "Text", "Text output debugging");
-	DebugMan.addDebugChannel(kDebugLevelSavegame, "Savegame", "Saving & restoring game debugging");
-
 	memset(&_debug, 0, sizeof(struct AgiDebug));
 
 	_speakerHandle = new Audio::SoundHandle();