diff --git a/x/distribution/module.go b/x/distribution/module.go
index b2dec5b30..257747f36 100644
--- a/x/distribution/module.go
+++ b/x/distribution/module.go
@@ -23,7 +23,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
 	"github.com/cosmos/cosmos-sdk/x/distribution/simulation"
 	"github.com/cosmos/cosmos-sdk/x/distribution/types"
-	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 )
 
 var (
@@ -95,13 +94,13 @@ type AppModule struct {
 	keeper        keeper.Keeper
 	accountKeeper types.AccountKeeper
 	bankKeeper    types.BankKeeper
-	stakingKeeper stakingkeeper.Keeper
+	stakingKeeper types.StakingKeeper
 }
 
 // NewAppModule creates a new AppModule object
 func NewAppModule(
 	cdc codec.Codec, keeper keeper.Keeper, accountKeeper types.AccountKeeper,
-	bankKeeper types.BankKeeper, stakingKeeper stakingkeeper.Keeper,
+	bankKeeper types.BankKeeper, stakingKeeper types.StakingKeeper,
 ) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},
diff --git a/x/distribution/simulation/operations.go b/x/distribution/simulation/operations.go
index f82e92129..4aee32eb2 100644
--- a/x/distribution/simulation/operations.go
+++ b/x/distribution/simulation/operations.go
@@ -24,11 +24,7 @@ const (
 )
 
 // WeightedOperations returns all the operations from the module with their respective weights
-func WeightedOperations(
-	appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
-	bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper,
-) simulation.WeightedOperations {
-
+func WeightedOperations(appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk types.StakingKeeper) simulation.WeightedOperations {
 	var weightMsgSetWithdrawAddress int
 	appParams.GetOrGenerate(cdc, OpWeightMsgSetWithdrawAddress, &weightMsgSetWithdrawAddress, nil,
 		func(_ *rand.Rand) {
@@ -57,6 +53,8 @@ func WeightedOperations(
 		},
 	)
 
+	stakeKeeper := sk.(stakingkeeper.Keeper)
+
 	return simulation.WeightedOperations{
 		simulation.NewWeightedOperation(
 			weightMsgSetWithdrawAddress,
@@ -64,15 +62,15 @@ func WeightedOperations(
 		),
 		simulation.NewWeightedOperation(
 			weightMsgWithdrawDelegationReward,
-			SimulateMsgWithdrawDelegatorReward(ak, bk, k, sk),
+			SimulateMsgWithdrawDelegatorReward(ak, bk, k, stakeKeeper),
 		),
 		simulation.NewWeightedOperation(
 			weightMsgWithdrawValidatorCommission,
-			SimulateMsgWithdrawValidatorCommission(ak, bk, k, sk),
+			SimulateMsgWithdrawValidatorCommission(ak, bk, k, stakeKeeper),
 		),
 		simulation.NewWeightedOperation(
 			weightMsgFundCommunityPool,
-			SimulateMsgFundCommunityPool(ak, bk, k, sk),
+			SimulateMsgFundCommunityPool(ak, bk, k, stakeKeeper),
 		),
 	}
 }
diff --git a/x/slashing/module.go b/x/slashing/module.go
index d837a16e5..5b4412fbd 100644
--- a/x/slashing/module.go
+++ b/x/slashing/module.go
@@ -24,7 +24,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/slashing/keeper"
 	"github.com/cosmos/cosmos-sdk/x/slashing/simulation"
 	"github.com/cosmos/cosmos-sdk/x/slashing/types"
-	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 )
 
 var (
@@ -98,11 +97,11 @@ type AppModule struct {
 	keeper        keeper.Keeper
 	accountKeeper types.AccountKeeper
 	bankKeeper    types.BankKeeper
-	stakingKeeper stakingkeeper.Keeper
+	stakingKeeper types.StakingKeeper
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper, sk stakingkeeper.Keeper) AppModule {
+func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper, sk types.StakingKeeper) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},
 		keeper:         keeper,
diff --git a/x/slashing/simulation/operations.go b/x/slashing/simulation/operations.go
index 3b98b2af0..a34cc24bb 100644
--- a/x/slashing/simulation/operations.go
+++ b/x/slashing/simulation/operations.go
@@ -24,7 +24,7 @@ const (
 // WeightedOperations returns all the operations from the module with their respective weights
 func WeightedOperations(
 	appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
-	bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper,
+	bk types.BankKeeper, k keeper.Keeper, sk types.StakingKeeper,
 ) simulation.WeightedOperations {
 
 	var weightMsgUnjail int
@@ -37,7 +37,7 @@ func WeightedOperations(
 	return simulation.WeightedOperations{
 		simulation.NewWeightedOperation(
 			weightMsgUnjail,
-			SimulateMsgUnjail(ak, bk, k, sk),
+			SimulateMsgUnjail(ak, bk, k, sk.(stakingkeeper.Keeper)),
 		),
 	}
 }