diff --git a/app.go b/app.go
index 407449b302e..3196951407c 100644
--- a/app.go
+++ b/app.go
@@ -274,7 +274,6 @@ func NewSimApp(
 	// app.ModuleManager.SetOrderMigrations(custom order)
 
 	app.ModuleManager.RegisterInvariants(app.CrisisKeeper)
-	app.ModuleManager.RegisterRoutes(app.Router(), app.QueryRouter(), app.legacyAmino)
 
 	// RegisterUpgradeHandlers is used for registering any on-chain upgrades.
 	// Make sure it's called after `app.ModuleManager` and `app.configurator` are set.
diff --git a/app_legacy.go b/app_legacy.go
index 2a8318363be..7a41c6812cf 100644
--- a/app_legacy.go
+++ b/app_legacy.go
@@ -419,7 +419,6 @@ func NewSimApp(
 	// app.ModuleManager.SetOrderMigrations(custom order)
 
 	app.ModuleManager.RegisterInvariants(app.CrisisKeeper)
-	app.ModuleManager.RegisterRoutes(app.Router(), app.QueryRouter(), encodingConfig.Amino)
 	app.configurator = module.NewConfigurator(app.appCodec, app.MsgServiceRouter(), app.GRPCQueryRouter())
 	app.ModuleManager.RegisterServices(app.configurator)