diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index e06ba1e39c16..bda6a1d32a4e 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -14,4 +14,5 @@ jobs:
     steps:
       - uses: actions/labeler@v4
         with:
+          configuration-path: .github/labeler.yml
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
diff --git a/.github/workflows/lint-pr.yml b/.github/workflows/lint-pr.yml
deleted file mode 100644
index d5b4d46b2158..000000000000
--- a/.github/workflows/lint-pr.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: "Lint PR"
-
-on:
-  pull_request_target:
-    types:
-      - opened
-      - edited
-      - synchronize
-
-permissions:
-  contents: read
-
-jobs:
-  main:
-    permissions:
-      pull-requests: read  # for amannn/action-semantic-pull-request to analyze PRs
-      statuses: write  # for amannn/action-semantic-pull-request to mark status of analyzed PR
-    runs-on: ubuntu-latest
-    steps:
-      - uses: amannn/action-semantic-pull-request@v5.0.2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7e2f8553c9fd..3c3c17cc059e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -264,12 +264,4 @@ jobs:
         if: env.GIT_DIFF
         run: |
           cd simapp
-          go test -mod=readonly -timeout 30m -tags='app_v1 norace ledger test_ledger_mock rocksdb_build' ./...
-      - name: sonarcloud
-        if: env.GIT_DIFF
-        uses: SonarSource/sonarcloud-github-action@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        with:
-          projectBaseDir: simapp/
+          go test -mod=readonly -timeout 30m -tags='app_v1 norace ledger test_ledger_mock rocksdb_build' ./...
\ No newline at end of file
diff --git a/store/cachekv/search_benchmark_test.go b/store/cachekv/search_benchmark_test.go
index 4007c7cda202..ddf4bdf02c15 100644
--- a/store/cachekv/search_benchmark_test.go
+++ b/store/cachekv/search_benchmark_test.go
@@ -3,8 +3,6 @@ package cachekv
 import (
 	"strconv"
 	"testing"
-
-	"github.com/cosmos/cosmos-sdk/store/cachekv/internal"
 )
 
 func BenchmarkLargeUnsortedMisses(b *testing.B) {
@@ -36,9 +34,10 @@ func generateStore() *Store {
 		cache[key] = &cValue{}
 	}
 
-	return &Store{
+	store := &Store{
 		cache:         cache,
 		unsortedCache: unsorted,
-		sortedCache:   internal.NewBTree(),
 	}
+	store.resetSortedCache()
+	return store
 }
diff --git a/store/cachekv/store.go b/store/cachekv/store.go
index a8f468979cd9..2cb5a63fa6a4 100644
--- a/store/cachekv/store.go
+++ b/store/cachekv/store.go
@@ -28,7 +28,7 @@ type Store struct {
 	mtx           sync.Mutex
 	cache         map[string]*cValue
 	unsortedCache map[string]struct{}
-	sortedCache   internal.BTree // always ascending sorted
+	sortedCache   *internal.BTree // always ascending sorted
 	parent        types.KVStore
 }
 
@@ -39,7 +39,7 @@ func NewStore(parent types.KVStore) *Store {
 	return &Store{
 		cache:         make(map[string]*cValue),
 		unsortedCache: make(map[string]struct{}),
-		sortedCache:   internal.NewBTree(),
+		sortedCache:   nil,
 		parent:        parent,
 	}
 }
@@ -93,13 +93,18 @@ func (store *Store) Delete(key []byte) {
 	store.setCacheValue(key, nil, true)
 }
 
+func (store *Store) resetSortedCache() {
+	newTree := internal.NewBTree()
+	store.sortedCache = &newTree
+}
+
 // Implements Cachetypes.KVStore.
 func (store *Store) Write() {
 	store.mtx.Lock()
 	defer store.mtx.Unlock()
 
 	if len(store.cache) == 0 && len(store.unsortedCache) == 0 {
-		store.sortedCache = internal.NewBTree()
+		store.sortedCache = nil
 		return
 	}
 
@@ -140,7 +145,7 @@ func (store *Store) Write() {
 	for key := range store.unsortedCache {
 		delete(store.unsortedCache, key)
 	}
-	store.sortedCache = internal.NewBTree()
+	store.sortedCache = nil
 }
 
 // CacheWrap implements CacheWrapper.
@@ -169,6 +174,9 @@ func (store *Store) ReverseIterator(start, end []byte) types.Iterator {
 func (store *Store) iterator(start, end []byte, ascending bool) types.Iterator {
 	store.mtx.Lock()
 	defer store.mtx.Unlock()
+	if store.sortedCache == nil {
+		store.resetSortedCache()
+	}
 
 	store.dirtyItems(start, end)
 	isoSortedCache := store.sortedCache.Copy()
diff --git a/store/cachemulti/store.go b/store/cachemulti/store.go
index 86927466a905..a162910fe5a5 100644
--- a/store/cachemulti/store.go
+++ b/store/cachemulti/store.go
@@ -73,7 +73,7 @@ func NewStore(
 }
 
 func newCacheMultiStoreFromCMS(cms Store) Store {
-	stores := make(map[types.StoreKey]types.CacheWrapper)
+	stores := make(map[types.StoreKey]types.CacheWrapper, len(cms.stores))
 	for k, v := range cms.stores {
 		stores[k] = v
 	}
diff --git a/x/feegrant/keeper/keeper.go b/x/feegrant/keeper/keeper.go
index bb36f9c7964f..4510218cc6bb 100644
--- a/x/feegrant/keeper/keeper.go
+++ b/x/feegrant/keeper/keeper.go
@@ -323,17 +323,25 @@ func (k Keeper) addToFeeAllowanceQueue(ctx sdk.Context, grantKey []byte, exp *ti
 	store.Set(feegrant.FeeAllowancePrefixQueue(exp, grantKey), []byte{})
 }
 
+// NOTE: backport from v50
 // RemoveExpiredAllowances iterates grantsByExpiryQueue and deletes the expired grants.
-func (k Keeper) RemoveExpiredAllowances(ctx sdk.Context) {
+func (k Keeper) RemoveExpiredAllowances(ctx sdk.Context, limit int) {
 	exp := ctx.BlockTime()
 	store := ctx.KVStore(k.storeKey)
 	iterator := store.Iterator(feegrant.FeeAllowanceQueueKeyPrefix, sdk.InclusiveEndBytes(feegrant.AllowanceByExpTimeKey(&exp)))
 	defer iterator.Close()
 
+	count := 0
 	for ; iterator.Valid(); iterator.Next() {
 		store.Delete(iterator.Key())
 
 		granter, grantee := feegrant.ParseAddressesFromFeeAllowanceQueueKey(iterator.Key())
 		store.Delete(feegrant.FeeAllowanceKey(granter, grantee))
+
+		// limit the amount of iterations to avoid taking too much time
+		count++
+		if count == limit {
+			break
+		}
 	}
 }
diff --git a/x/feegrant/keeper/keeper_test.go b/x/feegrant/keeper/keeper_test.go
index 16d10a532cd6..348c6326bdf5 100644
--- a/x/feegrant/keeper/keeper_test.go
+++ b/x/feegrant/keeper/keeper_test.go
@@ -33,7 +33,7 @@ func TestKeeperTestSuite(t *testing.T) {
 }
 
 func (suite *KeeperTestSuite) SetupTest() {
-	suite.addrs = simtestutil.CreateIncrementalAccounts(4)
+	suite.addrs = simtestutil.CreateIncrementalAccounts(20)
 	key := sdk.NewKVStoreKey(feegrant.StoreKey)
 	testCtx := testutil.DefaultContextWithDB(suite.T(), key, sdk.NewTransientStoreKey("transient_test"))
 	encCfg := moduletestutil.MakeTestEncodingConfig(module.AppModuleBasic{})
@@ -41,10 +41,9 @@ func (suite *KeeperTestSuite) SetupTest() {
 	// setup gomock and initialize some globally expected executions
 	ctrl := gomock.NewController(suite.T())
 	suite.accountKeeper = feegranttestutil.NewMockAccountKeeper(ctrl)
-	suite.accountKeeper.EXPECT().GetAccount(gomock.Any(), suite.addrs[0]).Return(authtypes.NewBaseAccountWithAddress(suite.addrs[0])).AnyTimes()
-	suite.accountKeeper.EXPECT().GetAccount(gomock.Any(), suite.addrs[1]).Return(authtypes.NewBaseAccountWithAddress(suite.addrs[1])).AnyTimes()
-	suite.accountKeeper.EXPECT().GetAccount(gomock.Any(), suite.addrs[2]).Return(authtypes.NewBaseAccountWithAddress(suite.addrs[2])).AnyTimes()
-	suite.accountKeeper.EXPECT().GetAccount(gomock.Any(), suite.addrs[3]).Return(authtypes.NewBaseAccountWithAddress(suite.addrs[3])).AnyTimes()
+	for i := 0; i < len(suite.addrs); i++ {
+		suite.accountKeeper.EXPECT().GetAccount(gomock.Any(), suite.addrs[i]).Return(authtypes.NewBaseAccountWithAddress(suite.addrs[i])).AnyTimes()
+	}
 
 	suite.feegrantKeeper = keeper.NewKeeper(encCfg.Codec, key, suite.accountKeeper)
 	suite.ctx = testCtx.Ctx
@@ -447,7 +446,7 @@ func (suite *KeeperTestSuite) TestPruneGrants() {
 			}
 			err := suite.feegrantKeeper.GrantAllowance(suite.ctx, tc.granter, tc.grantee, tc.allowance)
 			suite.NoError(err)
-			suite.feegrantKeeper.RemoveExpiredAllowances(tc.ctx)
+			suite.feegrantKeeper.RemoveExpiredAllowances(tc.ctx, 5)
 			grant, err := suite.feegrantKeeper.GetAllowance(tc.ctx, tc.granter, tc.grantee)
 			if tc.expErrMsg != "" {
 				suite.Error(err)
@@ -461,3 +460,38 @@ func (suite *KeeperTestSuite) TestPruneGrants() {
 		})
 	}
 }
+
+func (suite *KeeperTestSuite) TestPruneGrantsEdgecases() {
+	eth := sdk.NewCoins(sdk.NewInt64Coin("eth", 123))
+	now := suite.ctx.BlockTime()
+	oneYearExpiry := now.AddDate(1, 0, 0)
+
+	granter := suite.addrs[1]
+	grantee1 := suite.addrs[2]
+	err := suite.feegrantKeeper.GrantAllowance(suite.ctx, granter, grantee1, &feegrant.BasicAllowance{
+		SpendLimit: eth,
+		Expiration: &oneYearExpiry,
+	})
+	suite.NoError(err)
+
+	grantee2 := suite.addrs[3]
+	err = suite.feegrantKeeper.GrantAllowance(suite.ctx, granter, grantee2, &feegrant.BasicAllowance{
+		SpendLimit: eth,
+		Expiration: &now,
+	})
+	suite.NoError(err)
+
+	// expect 2 active grants
+	grantsBeforePrune, err := suite.feegrantKeeper.AllowancesByGranter(suite.ctx, &feegrant.QueryAllowancesByGranterRequest{Granter: granter.String()})
+	suite.NoError(err)
+	suite.Len(grantsBeforePrune.Allowances, 2)
+
+	// use blocktime that would result in both grants being expired
+	expireCtx := suite.ctx.WithBlockTime(now.AddDate(1, 0, 1))
+
+	// expect 1 grant to be removed due to the imposed limit
+	suite.feegrantKeeper.RemoveExpiredAllowances(expireCtx, 1)
+	grantsAfterPrune, err := suite.feegrantKeeper.AllowancesByGranter(suite.ctx, &feegrant.QueryAllowancesByGranterRequest{Granter: granter.String()})
+	suite.NoError(err)
+	suite.Len(grantsAfterPrune.Allowances, 1)
+}
diff --git a/x/feegrant/module/abci.go b/x/feegrant/module/abci.go
index 34c19c528d6a..e6577806080e 100644
--- a/x/feegrant/module/abci.go
+++ b/x/feegrant/module/abci.go
@@ -6,5 +6,5 @@ import (
 )
 
 func EndBlocker(ctx sdk.Context, k keeper.Keeper) {
-	k.RemoveExpiredAllowances(ctx)
+	k.RemoveExpiredAllowances(ctx, 200)
 }