diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a6d4ada40..fe5450b6e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/collection) [\#955](https://github.com/line/lbm-sdk/pull/955) Return nil where the parent not exists in x/collection Query/Parent
 * (x/collection) [\#959](https://github.com/line/lbm-sdk/pull/959) Revert #955 and add Query/HasParent into x/collection
 * (x/collection) [\#960](https://github.com/line/lbm-sdk/pull/960) Fix default next class ids of x/collection
+* (x/collection) [\#961](https://github.com/line/lbm-sdk/pull/961) Do not loop enum in x/collection
 
 ### Removed
 
diff --git a/x/collection/keeper/supply.go b/x/collection/keeper/supply.go
index bc7f9f8a62..bedd0332ca 100644
--- a/x/collection/keeper/supply.go
+++ b/x/collection/keeper/supply.go
@@ -26,15 +26,13 @@ func (k Keeper) CreateContract(ctx sdk.Context, creator sdk.AccAddress, contract
 		Grantee:    creator.String(),
 	}
 	ctx.EventManager().EmitEvent(collection.NewEventGrantPermTokenHead(eventGrant))
-	for _, permission := range collection.Permission_value {
-		p := collection.Permission(permission)
-		if p == collection.PermissionUnspecified {
-			continue
-		}
+	// 0 is "unspecified"
+	for i := 1; i < len(collection.Permission_value); i++ {
+		p := collection.Permission(i)
 
 		eventGrant.Permission = p
 		ctx.EventManager().EmitEvent(collection.NewEventGrantPermTokenBody(eventGrant))
-		k.Grant(ctx, contractID, []byte{}, creator, collection.Permission(permission))
+		k.Grant(ctx, contractID, []byte{}, creator, p)
 	}
 
 	return contractID
diff --git a/x/collection/module/module.go b/x/collection/module/module.go
index e2bb57dcf7..4c3892108e 100644
--- a/x/collection/module/module.go
+++ b/x/collection/module/module.go
@@ -109,14 +109,6 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	collection.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServer(am.keeper))
 	collection.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServer(am.keeper, am.authKeeper))
-
-	// m := keeper.NewMigrator(am.keeper)
-	// migrations := map[uint64]func(sdk.Context) error{}
-	// for ver, handler := range migrations {
-	// 	if err := cfg.RegisterMigration(collection.ModuleName, ver, handler); err != nil {
-	// 		panic(fmt.Sprintf("failed to migrate x/%s from version %d to %d: %v", collection.ModuleName, ver, ver+1, err))
-	// 	}
-	// }
 }
 
 // InitGenesis performs genesis initialization for the collection module. It returns
diff --git a/x/foundation/module/module.go b/x/foundation/module/module.go
index f4dbf3a438..ac3de5db88 100644
--- a/x/foundation/module/module.go
+++ b/x/foundation/module/module.go
@@ -112,14 +112,6 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	foundation.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServer(am.keeper))
 	foundation.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServer(am.keeper))
-
-	// m := keeper.NewMigrator(am.keeper)
-	// migrations := map[uint64]func(sdk.Context) error{}
-	// for ver, handler := range migrations {
-	// 	if err := cfg.RegisterMigration(foundation.ModuleName, ver, handler); err != nil {
-	// 		panic(fmt.Sprintf("failed to migrate x/%s from version %d to %d: %v", foundation.ModuleName, ver, ver+1, err))
-	// 	}
-	// }
 }
 
 // InitGenesis performs genesis initialization for the foundation module. It returns
diff --git a/x/stakingplus/module/module.go b/x/stakingplus/module/module.go
index 3529b32241..bc8d6a446d 100644
--- a/x/stakingplus/module/module.go
+++ b/x/stakingplus/module/module.go
@@ -90,14 +90,6 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 	stakingtypes.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper, am.fk))
 	querier := stakingkeeper.Querier{Keeper: am.keeper}
 	stakingtypes.RegisterQueryServer(cfg.QueryServer(), querier)
-
-	// m := keeper.NewMigrator(am.keeper)
-	// migrations := map[uint64]func(sdk.Context) error{}
-	// for ver, handler := range migrations {
-	// 	if err := cfg.RegisterMigration(foundation.ModuleName, ver, handler); err != nil {
-	// 		panic(fmt.Sprintf("failed to migrate x/%s from version %d to %d: %v", stakingplus.ModuleName, ver, ver+1, err))
-	// 	}
-	// }
 }
 
 // InitGenesis performs genesis initialization for the stakingplus module. It returns
diff --git a/x/token/module/module.go b/x/token/module/module.go
index daf0346e1c..e3b01d9eee 100644
--- a/x/token/module/module.go
+++ b/x/token/module/module.go
@@ -109,14 +109,6 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	token.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServer(am.keeper))
 	token.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServer(am.keeper, am.authKeeper))
-
-	// m := keeper.NewMigrator(am.keeper)
-	// migrations := map[uint64]func(sdk.Context) error{}
-	// for ver, handler := range migrations {
-	// 	if err := cfg.RegisterMigration(token.ModuleName, ver, handler); err != nil {
-	// 		panic(fmt.Sprintf("failed to migrate x/%s from version %d to %d: %v", token.ModuleName, ver, ver+1, err))
-	// 	}
-	// }
 }
 
 // InitGenesis performs genesis initialization for the token module. It returns