diff --git a/zetaclient/authz/authz_signer.go b/zetaclient/authz/authz_signer.go
deleted file mode 100644
index 5f1221f9a9..0000000000
--- a/zetaclient/authz/authz_signer.go
+++ /dev/null
@@ -1,40 +0,0 @@
-package authz
-
-import (
-	sdk "github.com/cosmos/cosmos-sdk/types"
-
-	"github.com/zeta-chain/zetacore/pkg/authz"
-	crosschaintypes "github.com/zeta-chain/zetacore/x/crosschain/types"
-)
-
-type Signer struct {
-	KeyType        authz.KeyType
-	GranterAddress string
-	GranteeAddress sdk.AccAddress
-}
-
-func (a Signer) String() string {
-	return a.KeyType.String() + " " + a.GranterAddress + " " + a.GranteeAddress.String()
-}
-
-var signers map[string]Signer
-
-func init() {
-	signersList := make(map[string]Signer)
-	for _, tx := range crosschaintypes.GetAllAuthzZetaclientTxTypes() {
-		signersList[tx] = Signer{KeyType: authz.ZetaClientGranteeKey}
-	}
-	signers = signersList
-}
-
-func SetupAuthZSignerList(granter string, grantee sdk.AccAddress) {
-	for k, v := range signers {
-		v.GranterAddress = granter
-		v.GranteeAddress = grantee
-		signers[k] = v
-	}
-}
-
-func GetSigner(msgURL string) Signer {
-	return signers[msgURL]
-}
diff --git a/zetaclient/authz/authz_signer_test.go b/zetaclient/authz/authz_signer_test.go
deleted file mode 100644
index 00a25722c4..0000000000
--- a/zetaclient/authz/authz_signer_test.go
+++ /dev/null
@@ -1 +0,0 @@
-package authz_test