diff --git a/simapp/app.go b/simapp/app.go
index d1f9c8acd80..961beaa768a 100644
--- a/simapp/app.go
+++ b/simapp/app.go
@@ -7,13 +7,13 @@ import (
 	"os"
 	"path/filepath"
 
-	dbm "github.com/cosmos/cosmos-db"
 	"github.com/cosmos/gogoproto/proto"
 	"github.com/spf13/cast"
 
 	autocliv1 "cosmossdk.io/api/cosmos/autocli/v1"
 	reflectionv1 "cosmossdk.io/api/cosmos/reflection/v1"
 	"cosmossdk.io/client/v2/autocli"
+	corestrore "cosmossdk.io/core/store"
 	"cosmossdk.io/log"
 	storetypes "cosmossdk.io/store/types"
 	"cosmossdk.io/x/accounts"
@@ -234,7 +234,7 @@ func init() {
 // NewSimApp returns a reference to an initialized SimApp.
 func NewSimApp(
 	logger log.Logger,
-	db dbm.DB,
+	db corestrore.KVStoreWithBatch,
 	traceStore io.Writer,
 	loadLatest bool,
 	appOpts servertypes.AppOptions,
diff --git a/simapp/go.mod b/simapp/go.mod
index ffaf3ca057c..d69dc1caf35 100644
--- a/simapp/go.mod
+++ b/simapp/go.mod
@@ -251,6 +251,7 @@ replace (
 	cosmossdk.io/x/bank => cosmossdk.io/x/bank v0.0.0-20240905174638-8ce77cbb2450
 	cosmossdk.io/x/circuit => cosmossdk.io/x/circuit v0.0.0-20240905174638-8ce77cbb2450
 	cosmossdk.io/x/consensus => cosmossdk.io/x/consensus v0.0.0-20240905174638-8ce77cbb2450
+	cosmossdk.io/x/epochs => cosmossdk.io/x/epochs v0.0.0-20240905174638-8ce77cbb2450
 	cosmossdk.io/x/evidence => cosmossdk.io/x/evidence v0.0.0-20240905174638-8ce77cbb2450
 	cosmossdk.io/x/feegrant => cosmossdk.io/x/feegrant v0.0.0-20240905174638-8ce77cbb2450
 	cosmossdk.io/x/gov => cosmossdk.io/x/gov v0.0.0-20240905174638-8ce77cbb2450
diff --git a/simapp/go.sum b/simapp/go.sum
index e38e0589395..5696ba2e400 100644
--- a/simapp/go.sum
+++ b/simapp/go.sum
@@ -232,8 +232,8 @@ cosmossdk.io/x/consensus v0.0.0-20240905174638-8ce77cbb2450 h1:J//VFkxEHUAcUi+gX
 cosmossdk.io/x/consensus v0.0.0-20240905174638-8ce77cbb2450/go.mod h1:l6pOuqO+/JfstuPFgRV+srKRtC0xxz65FrRGdzoQMt4=
 cosmossdk.io/x/distribution v0.0.0-20240906090851-36d9b25e8981 h1:7nEV9siFRy8pcTo+8i3GQku27buS+yOSxTvMeL/uPK4=
 cosmossdk.io/x/distribution v0.0.0-20240906090851-36d9b25e8981/go.mod h1:gyG0xDJw0O8Kmyy/n91248GaIpcC4OWhobjFw8MxRuI=
-cosmossdk.io/x/epochs v0.0.0-20240522060652-a1ae4c3e0337 h1:GuBrfHsK3RD5vlD4DuBz3DXslR6VlnzrYmHOC3L679Q=
-cosmossdk.io/x/epochs v0.0.0-20240522060652-a1ae4c3e0337/go.mod h1:PhLn1pMBilyRC4GfRkoYhm+XVAYhF4adVrzut8AdpJI=
+cosmossdk.io/x/epochs v0.0.0-20240905174638-8ce77cbb2450 h1:RVcQ2XCuh39Qg0BYTuzasorzMhtwlua8mBpA3SCPRtY=
+cosmossdk.io/x/epochs v0.0.0-20240905174638-8ce77cbb2450/go.mod h1:ab0WK4m5EEvS060gKE8wINBD8bLxFk+OaSalVqwFpoM=
 cosmossdk.io/x/evidence v0.0.0-20240905174638-8ce77cbb2450 h1:qGDGb5WLDIy1SuiKb/JM8XcujQoXp0eILU0fxPY0wDU=
 cosmossdk.io/x/evidence v0.0.0-20240905174638-8ce77cbb2450/go.mod h1:4zv2pGr0zHXd87GbD5crx+jPKnbh1XftcfJa9Hlvcd0=
 cosmossdk.io/x/feegrant v0.0.0-20240905174638-8ce77cbb2450 h1:OcWM7iK+3zxgYWpM2WkbGBFVF1yjQne7z+i9uWO0GqY=
diff --git a/simapp/simd/cmd/root.go b/simapp/simd/cmd/root.go
index 6e882a88fe0..f2f307b4b75 100644
--- a/simapp/simd/cmd/root.go
+++ b/simapp/simd/cmd/root.go
@@ -10,6 +10,7 @@ import (
 	"github.com/spf13/viper"
 
 	"cosmossdk.io/client/v2/offchain"
+	corestore "cosmossdk.io/core/store"
 	"cosmossdk.io/log"
 	confixcmd "cosmossdk.io/tools/confix/cmd"
 
@@ -228,9 +229,6 @@ func initRootCmd(
 	)
 }
 
-func addModuleInitFlags(startCmd *cobra.Command) {
-}
-
 func queryCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:                        "query",
@@ -289,7 +287,7 @@ func genesisCommand(moduleManager *module.Manager, appExport servertypes.AppExpo
 // newApp creates the application
 func newApp(
 	logger log.Logger,
-	db dbm.DB,
+	db corestore.KVStoreWithBatch,
 	traceStore io.Writer,
 	appOpts servertypes.AppOptions,
 ) servertypes.Application {
@@ -305,7 +303,7 @@ func newApp(
 // appExport creates a new simapp (optionally at a given height) and exports state.
 func appExport(
 	logger log.Logger,
-	db dbm.DB,
+	db corestore.KVStoreWithBatch,
 	traceStore io.Writer,
 	height int64,
 	forZeroHeight bool,