diff --git a/tests/integration/bank/app_test.go b/tests/integration/bank/app_test.go
index ec74b9aa9969..fde912059809 100644
--- a/tests/integration/bank/app_test.go
+++ b/tests/integration/bank/app_test.go
@@ -399,7 +399,7 @@ func TestMsgSetSendEnabled(t *testing.T) {
 				"invalid authority",
 				"cosmos10d07y265gmmuvt4z0w9aw880jnsr700j6zn9kn",
 				addr1Str,
-				"invalid signer",
+				"expected authority account as only signer for proposal message",
 			},
 		},
 		{
diff --git a/x/bank/types/errors.go b/x/bank/types/errors.go
index bec021a99f4e..a6aa4af14ec5 100644
--- a/x/bank/types/errors.go
+++ b/x/bank/types/errors.go
@@ -12,5 +12,5 @@ var (
 	ErrInvalidKey            = errors.Register(ModuleName, 7, "invalid key")
 	ErrDuplicateEntry        = errors.Register(ModuleName, 8, "duplicate entry")
 	ErrMultipleSenders       = errors.Register(ModuleName, 9, "multiple senders not allowed")
-	ErrInvalidSigner         = errors.Register(ModuleName, 10, "invalid signer")
+	ErrInvalidSigner         = errors.Register(ModuleName, 10, "expected authority account as only signer for proposal message")
 )
diff --git a/x/distribution/keeper/msg_server.go b/x/distribution/keeper/msg_server.go
index 94c34588abc1..2c2485075c23 100644
--- a/x/distribution/keeper/msg_server.go
+++ b/x/distribution/keeper/msg_server.go
@@ -10,7 +10,6 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"github.com/cosmos/cosmos-sdk/x/distribution/types"
-	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 )
 
 type msgServer struct {
@@ -214,7 +213,7 @@ func (k *Keeper) validateAuthority(authority string) error {
 	}
 
 	if k.authority != authority {
-		return errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, authority)
+		return errors.Wrapf(types.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, authority)
 	}
 
 	return nil
diff --git a/x/distribution/module.go b/x/distribution/module.go
index 5d15832852b3..37547438de30 100644
--- a/x/distribution/module.go
+++ b/x/distribution/module.go
@@ -29,7 +29,6 @@ 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"
-	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 	staking "github.com/cosmos/cosmos-sdk/x/staking/types"
 )
 
@@ -249,7 +248,7 @@ func ProvideModule(in ModuleInputs) ModuleOutputs {
 	}
 
 	// default to governance authority if not provided
-	authority := authtypes.NewModuleAddress(govtypes.ModuleName)
+	authority := authtypes.NewModuleAddress(types.GovModuleName)
 	if in.Config.Authority != "" {
 		authority = authtypes.NewModuleAddressOrBech32Address(in.Config.Authority)
 	}
diff --git a/x/distribution/types/codec.go b/x/distribution/types/codec.go
index 3cf2c732ca66..0f8d86ac4447 100644
--- a/x/distribution/types/codec.go
+++ b/x/distribution/types/codec.go
@@ -6,7 +6,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
-	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
 )
 
 // RegisterLegacyAminoCodec registers the necessary x/distribution interfaces
@@ -36,10 +35,5 @@ func RegisterInterfaces(registry types.InterfaceRegistry) {
 		&MsgDepositValidatorRewardsPool{},
 	)
 
-	registry.RegisterImplementations(
-		(*govtypes.Content)(nil),
-		&CommunityPoolSpendProposal{},
-	)
-
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
diff --git a/x/distribution/types/errors.go b/x/distribution/types/errors.go
index 0ce6a76d887c..a208b7bc210b 100644
--- a/x/distribution/types/errors.go
+++ b/x/distribution/types/errors.go
@@ -17,4 +17,5 @@ var (
 	ErrNoValidatorExists       = errors.Register(ModuleName, 12, "validator does not exist")
 	ErrNoDelegationExists      = errors.Register(ModuleName, 13, "delegation does not exist")
 	ErrInvalidProposalContent  = errors.Register(ModuleName, 14, "invalid proposal content")
+	ErrInvalidSigner           = errors.Register(ModuleName, 15, "expected authority account as only signer for proposal message")
 )
diff --git a/x/distribution/types/keys.go b/x/distribution/types/keys.go
index 7e555b6c2b23..7f7e5b4b27b2 100644
--- a/x/distribution/types/keys.go
+++ b/x/distribution/types/keys.go
@@ -19,6 +19,9 @@ const (
 
 	// RouterKey is the message route for distribution
 	RouterKey = ModuleName
+
+	// GovModuleName is the name of the gov module
+	GovModuleName = "gov"
 )
 
 // Keys for distribution store
diff --git a/x/distribution/types/proposal.go b/x/distribution/types/proposal.go
index 257e546dcc9e..b522020feb40 100644
--- a/x/distribution/types/proposal.go
+++ b/x/distribution/types/proposal.go
@@ -35,7 +35,7 @@ func (csp *CommunityPoolSpendProposal) ValidateBasic() error {
 }
 
 // validateAbstract is semantically duplicated from x/gov/types/v1beta1/proposal.go to avoid a cyclic dependency
-// between these two modules, x/distribution and x/gov.
+// between these two modules (x/distribution and x/gov).
 // See: https://github.com/cosmos/cosmos-sdk/blob/4a6a1e3cb8de459891cb0495052589673d14ef51/x/gov/types/v1beta1/proposal.go#L196-L214
 func validateAbstract(c *CommunityPoolSpendProposal) error {
 	const (
diff --git a/x/gov/keeper/msg_server_test.go b/x/gov/keeper/msg_server_test.go
index cb4181c8237d..a99f0e521c19 100644
--- a/x/gov/keeper/msg_server_test.go
+++ b/x/gov/keeper/msg_server_test.go
@@ -160,7 +160,7 @@ func (suite *KeeperTestSuite) TestSubmitProposalReq() {
 				)
 			},
 			expErr:    true,
-			expErrMsg: "expected gov account as only signer for proposal message",
+			expErrMsg: "expected authority account as only signer for proposal message",
 		},
 		"signer isn't gov account": {
 			preRun: func() (*v1.MsgSubmitProposal, error) {
@@ -175,7 +175,7 @@ func (suite *KeeperTestSuite) TestSubmitProposalReq() {
 				)
 			},
 			expErr:    true,
-			expErrMsg: "expected gov account as only signer for proposal message",
+			expErrMsg: "expected authority account as only signer for proposal message",
 		},
 		"invalid msg handler": {
 			preRun: func() (*v1.MsgSubmitProposal, error) {
diff --git a/x/gov/types/errors.go b/x/gov/types/errors.go
index fa584da93433..43bd7481b2ae 100644
--- a/x/gov/types/errors.go
+++ b/x/gov/types/errors.go
@@ -17,7 +17,7 @@ var (
 	ErrUnroutableProposalMsg   = errors.Register(ModuleName, 10, "proposal message not recognized by router")
 	ErrNoProposalMsgs          = errors.Register(ModuleName, 11, "no messages proposed")
 	ErrInvalidProposalMsg      = errors.Register(ModuleName, 12, "invalid proposal message")
-	ErrInvalidSigner           = errors.Register(ModuleName, 13, "expected gov account as only signer for proposal message")
+	ErrInvalidSigner           = errors.Register(ModuleName, 13, "expected authority account as only signer for proposal message")
 	ErrMetadataTooLong         = errors.Register(ModuleName, 15, "metadata too long")
 	ErrMinDepositTooSmall      = errors.Register(ModuleName, 16, "minimum deposit is too small")
 	ErrInvalidProposer         = errors.Register(ModuleName, 18, "invalid proposer")
diff --git a/x/gov/types/v1beta1/codec.go b/x/gov/types/v1beta1/codec.go
index d5b8b90880e2..e4479a6f4ce7 100644
--- a/x/gov/types/v1beta1/codec.go
+++ b/x/gov/types/v1beta1/codec.go
@@ -6,6 +6,7 @@ import (
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
+	distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 )
 
 // RegisterLegacyAminoCodec registers all the necessary types and interfaces for the
@@ -32,6 +33,10 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		(*Content)(nil),
 		&TextProposal{},
 	)
+	registry.RegisterImplementations(
+		(*Content)(nil),
+		&distrtypes.CommunityPoolSpendProposal{}, // nolint: staticcheck // avoid using `CommunityPoolSpendProposal`, might be reomved in future.
+	)
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
diff --git a/x/mint/types/errors.go b/x/mint/types/errors.go
index f3637858e847..f3797fe3bfaf 100644
--- a/x/mint/types/errors.go
+++ b/x/mint/types/errors.go
@@ -2,4 +2,4 @@ package types
 
 import "cosmossdk.io/errors"
 
-var ErrInvalidSigner = errors.Register(ModuleName, 1, "invalid signer")
+var ErrInvalidSigner = errors.Register(ModuleName, 1, "expected authority account as only signer for proposal message")