diff --git a/runtime/app.go b/runtime/app.go
index 2ceb7cd3eeb3..79fd23709d77 100644
--- a/runtime/app.go
+++ b/runtime/app.go
@@ -157,7 +157,7 @@ func (a *App) Configurator() module.Configurator {
 	return a.configurator
 }
 
-// UnsafeFindStoreKey FindStoreKey fetches a registered StoreKey from the App in linear time.
+// UnsafeFindStoreKey fetches a registered StoreKey from the App in linear time.
 //
 // NOTE: This should only be used in testing.
 func (a *App) UnsafeFindStoreKey(storeKey string) storetypes.StoreKey {
diff --git a/simapp/app.go b/simapp/app.go
index e3e7cfa5def7..25724263dd13 100644
--- a/simapp/app.go
+++ b/simapp/app.go
@@ -159,9 +159,7 @@ type SimApp struct {
 	invCheckPeriod uint
 
 	// keys to access the substores
-	keys    map[string]*storetypes.KVStoreKey
-	tkeys   map[string]*storetypes.TransientStoreKey
-	memKeys map[string]*storetypes.MemoryStoreKey
+	keys map[string]*storetypes.KVStoreKey
 
 	// keepers
 	AccountKeeper    authkeeper.AccountKeeper
@@ -239,9 +237,6 @@ func NewSimApp(
 		govtypes.StoreKey,
 		upgradetypes.StoreKey,
 	)
-	// NOTE: The testingkey is just mounted for testing purposes. Actual applications should
-	// not include this key.
-	app.memKeys = sdk.NewMemoryStoreKeys("testingkey")
 
 	// configure state listening capabilities using AppOptions
 	// we are doing nothing with the returned streamingServices and waitGroup in this case
@@ -322,13 +317,13 @@ func NewSimApp(
 	app.ModuleManager.SetOrderExportGenesis(genesisModuleOrder...)
 
 	// Uncomment if you want to set a custom migration order here.
-	// app.mm.SetOrderMigrations(custom order)
+	// app.ModuleManager.SetOrderMigrations(custom order)
 
 	app.ModuleManager.RegisterInvariants(&app.CrisisKeeper)
 	app.ModuleManager.RegisterRoutes(app.Router(), app.QueryRouter(), encodingConfig.Amino)
 
 	// RegisterUpgradeHandlers is used for registering any on-chain upgrades.
-	// Make sure it's called after `app.mm` and `app.configurator` are set.
+	// Make sure it's called after `app.ModuleManager` and `app.configurator` are set.
 	app.RegisterUpgradeHandlers()
 
 	// add test gRPC service for testing gRPC queries in isolation
@@ -347,7 +342,6 @@ func NewSimApp(
 
 	// initialize stores
 	app.MountKVStores(app.keys)
-	app.MountMemoryStores(app.memKeys)
 
 	// initialize BaseApp
 	app.SetInitChainer(app.InitChainer)
@@ -411,31 +405,6 @@ func (app *SimApp) GetKey(storeKey string) *storetypes.KVStoreKey {
 	return kvStoreKey
 }
 
-// GetTKey returns the TransientStoreKey for the provided store key.
-//
-// NOTE: This is solely to be used for testing purposes.
-func (app *SimApp) GetTKey(storeKey string) *storetypes.TransientStoreKey {
-	return app.tkeys[storeKey]
-}
-
-// GetMemKey returns the MemStoreKey for the provided mem key.
-//
-// NOTE: This is solely used for testing purposes.
-func (app *SimApp) GetMemKey(storeKey string) *storetypes.MemoryStoreKey {
-	msk := app.memKeys[storeKey]
-	if msk != nil {
-		return msk
-	}
-
-	sk := app.UnsafeFindStoreKey(storeKey)
-	memStoreKey, ok := sk.(*storetypes.MemoryStoreKey)
-	if !ok {
-		return nil
-	}
-
-	return memStoreKey
-}
-
 // GetSubspace returns a param subspace for a given module name.
 //
 // NOTE: This is solely to be used for testing purposes.
diff --git a/testutil/sims/app_helpers.go b/testutil/sims/app_helpers.go
index 2f00346b50dc..26ac443c6482 100644
--- a/testutil/sims/app_helpers.go
+++ b/testutil/sims/app_helpers.go
@@ -55,11 +55,30 @@ var DefaultConsensusParams = &tmproto.ConsensusParams{
 // appConfig usually load from a `app.yaml` with `appconfig.LoadYAML`, defines the application configuration.
 // extraOutputs defines the extra outputs to be assigned by the dependency injector (depinject).
 func Setup(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.App, error) {
+	return SetupWithBaseAppOption(appConfig, nil, false, extraOutputs...)
+}
+
+// SetupAtGenesis initializes a new runtime.App at genesis. A Nop logger is set in runtime.App.
+// appConfig usually load from a `app.yaml` with `appconfig.LoadYAML`, defines the application configuration.
+// extraOutputs defines the extra outputs to be assigned by the dependency injector (depinject).
+func SetupAtGenesis(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.App, error) {
+	return SetupWithBaseAppOption(appConfig, nil, true, extraOutputs...)
+}
+
+// SetupWithBaseAppOption initializes a new runtime.App. A Nop logger is set in runtime.App.
+// appConfig usually load from a `app.yaml` with `appconfig.LoadYAML`, defines the application configuration.
+// baseAppOption defines the additional operations that must be run on baseapp before app start.
+// extraOutputs defines the extra outputs to be assigned by the dependency injector (depinject).
+// genesis defines if the app started should already have produced block or not.
+func SetupWithBaseAppOption(appConfig depinject.Config, baseAppOption runtime.BaseAppOption, genesis bool, extraOutputs ...interface{}) (*runtime.App, error) {
 	//
 	// create app
 	//
-	var appBuilder *runtime.AppBuilder
-	var codec codec.Codec
+	var (
+		app        *runtime.App
+		appBuilder *runtime.AppBuilder
+		codec      codec.Codec
+	)
 
 	if err := depinject.Inject(
 		appConfig,
@@ -68,7 +87,11 @@ func Setup(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.Ap
 		return nil, fmt.Errorf("failed to inject dependencies: %w", err)
 	}
 
-	app := appBuilder.Build(log.NewNopLogger(), dbm.NewMemDB(), nil)
+	if baseAppOption != nil {
+		app = appBuilder.Build(log.NewNopLogger(), dbm.NewMemDB(), nil, baseAppOption)
+	} else {
+		app = appBuilder.Build(log.NewNopLogger(), dbm.NewMemDB(), nil)
+	}
 	if err := app.Load(true); err != nil {
 		return nil, fmt.Errorf("failed to load app: %w", err)
 	}
@@ -114,6 +137,17 @@ func Setup(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.Ap
 		},
 	)
 
+	// commit genesis changes
+	if !genesis {
+		app.Commit()
+		app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{
+			Height:             app.LastBlockHeight() + 1,
+			AppHash:            app.LastCommitID().Hash,
+			ValidatorsHash:     valSet.Hash(),
+			NextValidatorsHash: valSet.Hash(),
+		}})
+	}
+
 	return app, nil
 }
 
diff --git a/x/capability/capability_test.go b/x/capability/capability_test.go
index 24b94cf7d699..b00566b797e9 100644
--- a/x/capability/capability_test.go
+++ b/x/capability/capability_test.go
@@ -7,39 +7,44 @@ import (
 	abci "github.com/tendermint/tendermint/abci/types"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 
+	"github.com/cosmos/cosmos-sdk/baseapp"
 	"github.com/cosmos/cosmos-sdk/codec"
-	"github.com/cosmos/cosmos-sdk/simapp"
+	"github.com/cosmos/cosmos-sdk/runtime"
+	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/module"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	"github.com/cosmos/cosmos-sdk/x/capability"
 	"github.com/cosmos/cosmos-sdk/x/capability/keeper"
+	"github.com/cosmos/cosmos-sdk/x/capability/testutil"
 	"github.com/cosmos/cosmos-sdk/x/capability/types"
 )
 
 type CapabilityTestSuite struct {
 	suite.Suite
 
+	app    *runtime.App
 	cdc    codec.Codec
 	ctx    sdk.Context
-	app    *simapp.SimApp
 	keeper *keeper.Keeper
-	module module.AppModule
+	memKey *storetypes.MemoryStoreKey
 }
 
 func (suite *CapabilityTestSuite) SetupTest() {
-	checkTx := false
-	app := simapp.Setup(suite.T(), checkTx)
-	cdc := app.AppCodec()
-
-	// create new keeper so we can define custom scoping before init and seal
-	keeper := keeper.NewKeeper(cdc, app.GetKey(types.StoreKey), app.GetMemKey(types.MemStoreKey))
+	suite.memKey = storetypes.NewMemoryStoreKey("testingkey")
+
+	app, err := simtestutil.SetupWithBaseAppOption(testutil.AppConfig,
+		func(ba *baseapp.BaseApp) {
+			ba.MountStores(suite.memKey)
+		},
+		false,
+		&suite.cdc,
+		&suite.keeper,
+	)
+	suite.Require().NoError(err)
 
 	suite.app = app
-	suite.ctx = app.BaseApp.NewContext(checkTx, tmproto.Header{Height: 1})
-	suite.keeper = keeper
-	suite.cdc = cdc
-	suite.module = capability.NewAppModule(cdc, *keeper, true)
+	suite.ctx = app.BaseApp.NewContext(false, tmproto.Header{Height: 1})
 }
 
 // The following test case mocks a specific bug discovered in https://github.com/cosmos/cosmos-sdk/issues/9800
@@ -52,7 +57,7 @@ func (suite *CapabilityTestSuite) TestInitializeMemStore() {
 	suite.Require().NotNil(cap1)
 
 	// mock statesync by creating new keeper that shares persistent state but loses in-memory map
-	newKeeper := keeper.NewKeeper(suite.cdc, suite.app.GetKey(types.StoreKey), suite.app.GetMemKey("testingkey"))
+	newKeeper := keeper.NewKeeper(suite.cdc, suite.app.UnsafeFindStoreKey(types.StoreKey).(*storetypes.KVStoreKey), suite.memKey)
 	newSk1 := newKeeper.ScopeToModule(banktypes.ModuleName)
 
 	// Mock App startup
diff --git a/x/capability/genesis_test.go b/x/capability/genesis_test.go
index 34a09960e750..00009fd94414 100644
--- a/x/capability/genesis_test.go
+++ b/x/capability/genesis_test.go
@@ -1,16 +1,14 @@
 package capability_test
 
 import (
-	"github.com/tendermint/tendermint/libs/log"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	dbm "github.com/tendermint/tm-db"
 
-	"github.com/cosmos/cosmos-sdk/simapp"
+	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	"github.com/cosmos/cosmos-sdk/x/capability"
 	"github.com/cosmos/cosmos-sdk/x/capability/keeper"
-	"github.com/cosmos/cosmos-sdk/x/capability/types"
+	"github.com/cosmos/cosmos-sdk/x/capability/testutil"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 )
 
@@ -33,11 +31,10 @@ func (suite *CapabilityTestSuite) TestGenesis() {
 
 	// create new app that does not share persistent or in-memory state
 	// and initialize app from exported genesis state above.
-	db := dbm.NewMemDB()
-	encCdc := simapp.MakeTestEncodingConfig()
-	newApp := simapp.NewSimApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, simapp.DefaultNodeHome, 5, encCdc, simapp.EmptyAppOptions{})
+	var newKeeper *keeper.Keeper
+	newApp, err := simtestutil.SetupAtGenesis(testutil.AppConfig, &newKeeper)
+	suite.Require().NoError(err)
 
-	newKeeper := keeper.NewKeeper(suite.cdc, newApp.GetKey(types.StoreKey), newApp.GetMemKey(types.MemStoreKey))
 	newSk1 := newKeeper.ScopeToModule(banktypes.ModuleName)
 	newSk2 := newKeeper.ScopeToModule(stakingtypes.ModuleName)
 	deliverCtx, _ := newApp.BaseApp.NewUncachedContext(false, tmproto.Header{}).WithBlockGasMeter(sdk.NewInfiniteGasMeter()).CacheContext()
diff --git a/x/capability/keeper/keeper_test.go b/x/capability/keeper/keeper_test.go
index 9757461db71d..0d6a5f06552e 100644
--- a/x/capability/keeper/keeper_test.go
+++ b/x/capability/keeper/keeper_test.go
@@ -7,10 +7,11 @@ import (
 	"github.com/stretchr/testify/suite"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 
-	"github.com/cosmos/cosmos-sdk/simapp"
+	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	"github.com/cosmos/cosmos-sdk/x/capability/keeper"
+	"github.com/cosmos/cosmos-sdk/x/capability/testutil"
 	"github.com/cosmos/cosmos-sdk/x/capability/types"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 )
@@ -19,21 +20,16 @@ type KeeperTestSuite struct {
 	suite.Suite
 
 	ctx    sdk.Context
-	app    *simapp.SimApp
 	keeper *keeper.Keeper
 }
 
 func (suite *KeeperTestSuite) SetupTest() {
-	checkTx := false
-	app := simapp.Setup(suite.T(), checkTx)
-	cdc := app.AppCodec()
-
-	// create new keeper so we can define custom scoping before init and seal
-	keeper := keeper.NewKeeper(cdc, app.GetKey(types.StoreKey), app.GetMemKey(types.MemStoreKey))
+	app, err := simtestutil.Setup(testutil.AppConfig,
+		&suite.keeper,
+	)
+	suite.Require().NoError(err)
 
-	suite.app = app
-	suite.ctx = app.BaseApp.NewContext(checkTx, tmproto.Header{Height: 1})
-	suite.keeper = keeper
+	suite.ctx = app.BaseApp.NewContext(false, tmproto.Header{Height: 1})
 }
 
 func (suite *KeeperTestSuite) TestSeal() {
diff --git a/x/capability/module.go b/x/capability/module.go
index c8012522d3c3..3f994cb26b31 100644
--- a/x/capability/module.go
+++ b/x/capability/module.go
@@ -16,6 +16,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	"github.com/cosmos/cosmos-sdk/depinject"
 	"github.com/cosmos/cosmos-sdk/runtime"
 	store "github.com/cosmos/cosmos-sdk/store/types"
 	"github.com/cosmos/cosmos-sdk/telemetry"
@@ -165,29 +166,6 @@ func (am AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) []abci.Valid
 	return []abci.ValidatorUpdate{}
 }
 
-func init() {
-	appmodule.Register(&modulev1.Module{},
-		appmodule.Provide(
-			provideModuleBasic,
-			provideModule,
-		))
-}
-
-func provideModuleBasic() runtime.AppModuleBasicWrapper {
-	return runtime.WrapAppModuleBasic(AppModuleBasic{})
-}
-
-func provideModule(
-	kvStoreKey *store.KVStoreKey,
-	memStoreKey *store.MemoryStoreKey,
-	cdc codec.Codec,
-	config *modulev1.Module,
-) (*keeper.Keeper, runtime.AppModuleWrapper) {
-	k := keeper.NewKeeper(cdc, kvStoreKey, memStoreKey)
-	m := NewAppModule(cdc, *k, config.SealKeeper)
-	return k, runtime.WrapAppModule(m)
-}
-
 // GenerateGenesisState creates a randomized GenState of the capability module.
 func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
 	simulation.RandomizedGenState(simState)
@@ -212,3 +190,46 @@ func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
 func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
 	return nil
 }
+
+//
+// New App Wiring Setup
+//
+
+func init() {
+	appmodule.Register(&modulev1.Module{},
+		appmodule.Provide(
+			provideModuleBasic,
+			provideModule,
+		))
+}
+
+func provideModuleBasic() runtime.AppModuleBasicWrapper {
+	return runtime.WrapAppModuleBasic(AppModuleBasic{})
+}
+
+type capabilityInputs struct {
+	depinject.In
+
+	Config *modulev1.Module
+
+	KvStoreKey  *store.KVStoreKey
+	MemStoreKey *store.MemoryStoreKey
+	Cdc         codec.Codec
+}
+
+type capabilityOutputs struct {
+	depinject.Out
+
+	CapabilityKeeper *keeper.Keeper
+	Module           runtime.AppModuleWrapper
+}
+
+func provideModule(in capabilityInputs) capabilityOutputs {
+	k := keeper.NewKeeper(in.Cdc, in.KvStoreKey, in.MemStoreKey)
+	m := NewAppModule(in.Cdc, *k, in.Config.SealKeeper)
+
+	return capabilityOutputs{
+		CapabilityKeeper: k,
+		Module:           runtime.WrapAppModule(m),
+	}
+}
diff --git a/x/capability/simulation/decoder_test.go b/x/capability/simulation/decoder_test.go
index 093cf5f2daad..484985bbbc7d 100644
--- a/x/capability/simulation/decoder_test.go
+++ b/x/capability/simulation/decoder_test.go
@@ -6,15 +6,20 @@ import (
 
 	"github.com/stretchr/testify/require"
 
-	"github.com/cosmos/cosmos-sdk/simapp"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/depinject"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/kv"
 	"github.com/cosmos/cosmos-sdk/x/capability/simulation"
+	"github.com/cosmos/cosmos-sdk/x/capability/testutil"
 	"github.com/cosmos/cosmos-sdk/x/capability/types"
 )
 
 func TestDecodeStore(t *testing.T) {
-	cdc := simapp.MakeTestEncodingConfig().Codec
+	var cdc codec.Codec
+	err := depinject.Inject(testutil.AppConfig, &cdc)
+	require.NoError(t, err)
+
 	dec := simulation.NewDecodeStore(cdc)
 
 	capOwners := types.CapabilityOwners{
diff --git a/x/capability/spec/03_app_wiring.md b/x/capability/spec/03_app_wiring.md
new file mode 100644
index 000000000000..b8d4e29961ca
--- /dev/null
+++ b/x/capability/spec/03_app_wiring.md
@@ -0,0 +1,5 @@
+# App Wiring
+
+The minimal app-wiring configuration for `x/capability` is as follows:
+
++++ https://github.com/cosmos/cosmos-sdk/blob/main/x/capability/testutil/app.yaml
diff --git a/x/capability/spec/README.md b/x/capability/spec/README.md
index 96a2dcbd9726..d20a2a9f7aa6 100644
--- a/x/capability/spec/README.md
+++ b/x/capability/spec/README.md
@@ -75,3 +75,4 @@ func NewApp(...) *App {
 
 1. **[Concepts](01_concepts.md)**
 1. **[State](02_state.md)**
+1. **[App Wiring](03_app_wiring.md)**
diff --git a/x/capability/testutil/app.yaml b/x/capability/testutil/app.yaml
new file mode 100644
index 000000000000..c0bf0b059a6d
--- /dev/null
+++ b/x/capability/testutil/app.yaml
@@ -0,0 +1,46 @@
+modules:
+  - name: runtime
+    config:
+      "@type": cosmos.app.runtime.v1alpha1.Module
+
+      app_name: CapabilityApp
+
+      begin_blockers: [capability, staking, auth, bank, genutil, params]
+      end_blockers: [staking, capability, auth, bank, genutil, params]
+      init_genesis: [capability, auth, bank, staking, genutil, params]
+
+  - name: auth
+    config:
+      "@type": cosmos.auth.module.v1.Module
+      bech32_prefix: cosmos
+      module_account_permissions:
+        - account: fee_collector
+        - account: bonded_tokens_pool
+          permissions: [burner, staking]
+        - account: not_bonded_tokens_pool
+          permissions: [burner, staking]
+
+  - name: bank
+    config:
+      "@type": cosmos.bank.module.v1.Module
+
+  - name: params
+    config:
+      "@type": cosmos.params.module.v1.Module
+
+  - name: tx
+    config:
+      "@type": cosmos.tx.module.v1.Module
+
+  - name: staking
+    config:
+      "@type": cosmos.staking.module.v1.Module
+
+  - name: genutil
+    config:
+      "@type": cosmos.genutil.module.v1.Module
+
+  - name: capability
+    config:
+      "@type": cosmos.capability.module.v1.Module
+      seal_keeper: true
diff --git a/x/capability/testutil/app_config.go b/x/capability/testutil/app_config.go
new file mode 100644
index 000000000000..85678ee39ec6
--- /dev/null
+++ b/x/capability/testutil/app_config.go
@@ -0,0 +1,19 @@
+package testutil
+
+import (
+	_ "embed"
+
+	"cosmossdk.io/core/appconfig"
+	_ "github.com/cosmos/cosmos-sdk/x/auth"
+	_ "github.com/cosmos/cosmos-sdk/x/auth/tx/module"
+	_ "github.com/cosmos/cosmos-sdk/x/bank"
+	_ "github.com/cosmos/cosmos-sdk/x/capability"
+	_ "github.com/cosmos/cosmos-sdk/x/genutil"
+	_ "github.com/cosmos/cosmos-sdk/x/params"
+	_ "github.com/cosmos/cosmos-sdk/x/staking"
+)
+
+//go:embed app.yaml
+var appConfig []byte
+
+var AppConfig = appconfig.LoadYAML(appConfig)
diff --git a/x/nft/simulation/operations_test.go b/x/nft/simulation/operations_test.go
index f417fb9efa6e..e5feef0c896d 100644
--- a/x/nft/simulation/operations_test.go
+++ b/x/nft/simulation/operations_test.go
@@ -54,13 +54,6 @@ func (suite *SimTestSuite) SetupTest() {
 
 	suite.app = app
 	suite.ctx = app.BaseApp.NewContext(false, tmproto.Header{})
-
-	suite.app.BeginBlock(abci.RequestBeginBlock{
-		Header: tmproto.Header{
-			Height:  suite.app.LastBlockHeight() + 1,
-			AppHash: suite.app.LastCommitID().Hash,
-		},
-	})
 }
 
 func (suite *SimTestSuite) TestWeightedOperations() {
@@ -122,6 +115,14 @@ func (suite *SimTestSuite) TestSimulateMsgSend() {
 	blockTime := time.Now().UTC()
 	ctx := suite.ctx.WithBlockTime(blockTime)
 
+	// begin new block
+	suite.app.BeginBlock(abci.RequestBeginBlock{
+		Header: tmproto.Header{
+			Height:  suite.app.LastBlockHeight() + 1,
+			AppHash: suite.app.LastCommitID().Hash,
+		},
+	})
+
 	// execute operation
 	registry := suite.interfaceRegistry
 	op := simulation.SimulateMsgSend(codec.NewProtoCodec(registry), suite.accountKeeper, suite.bankKeeper, suite.nftKeeper)