diff --git a/proto/chainmain/icaauth/v1/genesis.proto b/proto/chainmain/icaauth/v1/genesis.proto
deleted file mode 100644
index 5031c9d00..000000000
--- a/proto/chainmain/icaauth/v1/genesis.proto
+++ /dev/null
@@ -1,13 +0,0 @@
-syntax = "proto3";
-package chainmain.icaauth.v1;
-
-import "gogoproto/gogo.proto";
-import "chainmain/icaauth/v1/params.proto";
-
-option go_package = "github.com/crypto-org-chain/chain-main/x/icaauth/types";
-
-// GenesisState defines the icaauth module's genesis state.
-message GenesisState {
-  // params defines the genesis parameters
-  Params params = 1 [(gogoproto.nullable) = false];
-}
diff --git a/proto/chainmain/icaauth/v1/params.proto b/proto/chainmain/icaauth/v1/params.proto
deleted file mode 100644
index c0119cb79..000000000
--- a/proto/chainmain/icaauth/v1/params.proto
+++ /dev/null
@@ -1,20 +0,0 @@
-syntax = "proto3";
-package chainmain.icaauth.v1;
-
-import "google/protobuf/duration.proto";
-import "gogoproto/gogo.proto";
-
-option go_package = "github.com/crypto-org-chain/chain-main/x/icaauth/types";
-
-// Params defines the parameters for the module.
-message Params {
-  option (gogoproto.goproto_stringer) = false;
-
-  // minTimeoutDuration defines the minimum value of packet timeout when submitting transactions to host chain on
-  // behalf of interchain account
-  google.protobuf.Duration minTimeoutDuration = 1 [
-    (gogoproto.moretags)    = "yaml:\"min_timeout_duration\"",
-    (gogoproto.stdduration) = true,
-    (gogoproto.nullable)    = false
-  ];
-}
diff --git a/proto/chainmain/icaauth/v1/query.proto b/proto/chainmain/icaauth/v1/query.proto
deleted file mode 100644
index cafdd68da..000000000
--- a/proto/chainmain/icaauth/v1/query.proto
+++ /dev/null
@@ -1,42 +0,0 @@
-syntax = "proto3";
-package chainmain.icaauth.v1;
-
-import "gogoproto/gogo.proto";
-import "google/api/annotations.proto";
-import "cosmos/base/query/v1beta1/pagination.proto";
-import "chainmain/icaauth/v1/params.proto";
-
-option go_package = "github.com/crypto-org-chain/chain-main/x/icaauth/types";
-
-// Query defines the gRPC querier service.
-service Query {
-  // Parameters queries the parameters of the module.
-  rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
-    option (google.api.http).get = "/chainmain/icaauth/v1/params";
-  }
-
-  // InterchainAccountAddress queries the interchain account address for given `connectionId` and `owner`
-  rpc InterchainAccountAddress(QueryInterchainAccountAddressRequest) returns (QueryInterchainAccountAddressResponse) {
-    option (google.api.http).get = "/chainmain/icaauth/v1/interchain_account_address/{connectionId}/{owner}";
-  }
-}
-
-// QueryParamsRequest is request type for the Query/Params RPC method.
-message QueryParamsRequest {}
-
-// QueryParamsResponse is response type for the Query/Params RPC method.
-message QueryParamsResponse {
-  // params holds all the parameters of this module.
-  Params params = 1 [(gogoproto.nullable) = false];
-}
-
-// QueryInterchainAccountAddressRequest defines the request for the InterchainAccountAddress query.
-message QueryInterchainAccountAddressRequest {
-  string connectionId = 1 [(gogoproto.moretags) = "yaml:\"connection_id\""];
-  string owner        = 2;
-}
-
-// QueryInterchainAccountAddressResponse defines the response for the InterchainAccountAddress query.
-message QueryInterchainAccountAddressResponse {
-  string interchainAccountAddress = 1;
-}
diff --git a/proto/chainmain/icaauth/v1/tx.proto b/proto/chainmain/icaauth/v1/tx.proto
deleted file mode 100644
index f2dcf1d49..000000000
--- a/proto/chainmain/icaauth/v1/tx.proto
+++ /dev/null
@@ -1,55 +0,0 @@
-syntax = "proto3";
-package chainmain.icaauth.v1;
-
-import "cosmos/msg/v1/msg.proto";
-import "cosmos_proto/cosmos.proto";
-import "google/protobuf/any.proto";
-import "google/protobuf/duration.proto";
-import "gogoproto/gogo.proto";
-
-option go_package = "github.com/crypto-org-chain/chain-main/x/icaauth/types";
-
-// Msg defines the Msg service.
-service Msg {
-  option (cosmos.msg.v1.service) = true;
-  // RegisterAccount registers an interchain account on host chain with given `connectionId`
-  rpc RegisterAccount(MsgRegisterAccount) returns (MsgRegisterAccountResponse);
-
-  // SubmitTx submits a transaction to the host chain on behalf of interchain account
-  rpc SubmitTx(MsgSubmitTx) returns (MsgSubmitTxResponse);
-}
-
-// MsgRegisterAccount defines the request message for MsgRegisterAccount
-message MsgRegisterAccount {
-  option (cosmos.msg.v1.signer) = "owner";
-  // owner represents the owner of the interchain account
-  string owner = 1;
-
-  // connectionId represents the IBC `connectionId` of the host chain
-  string connectionId = 2 [(gogoproto.moretags) = "yaml:\"connection_id\""];
-
-  // version represents the version of the ICA channel
-  string version = 3;
-}
-
-// MsgRegisterAccountResponse defines the response message for MsgRegisterAccount
-message MsgRegisterAccountResponse {}
-
-// MsgSubmitTx defines the request message for MsgSubmitTx
-message MsgSubmitTx {
-  option (cosmos.msg.v1.signer) = "owner";
-  // owner represents the owner of the interchain account
-  string owner = 1;
-
-  // connectionId represents the IBC `connectionId` of the host chain
-  string connectionId = 2 [(gogoproto.moretags) = "yaml:\"connection_id\""];
-
-  // msgs represents the transactions to be submitted to the host chain
-  repeated google.protobuf.Any msgs = 3 [(cosmos_proto.accepts_interface) = "sdk.Msg"];
-
-  // timeoutDuration represents the timeout duration for the IBC packet from last block
-  google.protobuf.Duration timeoutDuration = 4 [(gogoproto.stdduration) = true];
-}
-
-// MsgSubmitTxResponse defines the response message for MsgSubmitTx
-message MsgSubmitTxResponse {}