diff --git a/client/helper.go b/client/helper.go
index 22c63e6..c38c9de 100644
--- a/client/helper.go
+++ b/client/helper.go
@@ -21,6 +21,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/types/tx/signing"
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	"github.com/pkg/errors"
 )
 
 func NewClientCtx(chainID string) client.Context {
@@ -132,26 +133,26 @@ func convertSigningResultToSigningInfo(res *tsstypes.SigningResult) SigningInfo
 	}
 }
 
-func getRequestProof(clientCtx client.Context, reqID uint64, height int64) ([]byte, error) {
+func getRequestProof(clientCtx client.Context, reqID uint64) ([]byte, error) {
 	queryClient := proofservice.NewProofServer(clientCtx)
 	resp, err := queryClient.Proof(
-		context.Background(), &proofservice.QueryProofRequest{RequestId: reqID, Height: height},
+		context.Background(), &proofservice.QueryProofRequest{RequestId: reqID, Height: 0},
 	)
 	if err != nil {
-		return nil, err
+		return nil, errors.Wrapf(err, "failed to get proof")
 	}
 
-	return resp.Result.EvmProofBytes, nil
-}
-
-func getProofHeight(clientCtx client.Context, reqID uint64) (int64, error) {
-	queryClient := proofservice.NewProofServer(clientCtx)
-	resp, err := queryClient.Proof(
-		context.Background(), &proofservice.QueryProofRequest{RequestId: reqID, Height: 0},
-	)
+	b, err := clientCtx.Client.Block(context.Background(), nil)
 	if err != nil {
-		return 0, err
+		return nil, errors.Wrapf(err, "failed to get current block")
+	}
+	if resp.Height >= b.Block.Height {
+		return nil, fmt.Errorf(
+			"proof is not ready; current height: %d, proof height: %d",
+			b.Block.Height,
+			resp.Height,
+		)
 	}
 
-	return resp.Height, nil
+	return resp.Result.EvmProofBytes, nil
 }
diff --git a/client/rpc.go b/client/rpc.go
index 9d4bc35..cfdcfc3 100644
--- a/client/rpc.go
+++ b/client/rpc.go
@@ -433,29 +433,7 @@ func (c RPC) GetRequestProofByID(reqID uint64) ([]byte, error) {
 
 	for _, node := range c.nodes {
 		go func(node *rpchttp.HTTP) {
-			height, err := getProofHeight(c.ctx.WithClient(node), reqID)
-			if err != nil {
-				c.logger.Warning("GetRequestProofByID", "can't get proof height from %s; %s", node.Remote(), err)
-				failCh <- struct{}{}
-				return
-			}
-
-			b, err := c.ctx.WithClient(node).Client.Block(context.Background(), nil)
-			if err != nil {
-				c.logger.Warning("GetRequestProofByID", "can't get latest block from %s; %s", node.Remote(), err)
-				failCh <- struct{}{}
-				return
-			} else if b.Block.Height <= height {
-				c.logger.Warning(
-					"GetRequestProofByID",
-					"latest block height is less than proof height from %s",
-					node.Remote(),
-				)
-				failCh <- struct{}{}
-				return
-			}
-
-			evmProofBytes, err := getRequestProof(c.ctx.WithClient(node), reqID, height)
+			evmProofBytes, err := getRequestProof(c.ctx.WithClient(node), reqID)
 			if err != nil {
 				c.logger.Warning("GetRequestProofByID", "can't get proof bytes from %s; %s", node.Remote(), err)
 				failCh <- struct{}{}