diff --git a/x/mint/types/msgs.go b/x/mint/types/msgs.go
deleted file mode 100644
index e5a18898cdca..000000000000
--- a/x/mint/types/msgs.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package types
-
-import (
-	sdk "github.com/cosmos/cosmos-sdk/types"
-)
-
-var _ sdk.Msg = &MsgUpdateParams{}
-
-// GetSigners returns the expected signers for a MsgUpdateParams message.
-func (m MsgUpdateParams) GetSigners() []sdk.AccAddress {
-	addr, _ := sdk.AccAddressFromBech32(m.Authority)
-	return []sdk.AccAddress{addr}
-}