diff --git a/grpc.go b/grpc.go
index 9445eab..e25f3dd 100644
--- a/grpc.go
+++ b/grpc.go
@@ -10,7 +10,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/micro/go-micro/v2/auth"
 	"github.com/micro/go-micro/v2/broker"
 	"github.com/micro/go-micro/v2/client"
 	"github.com/micro/go-micro/v2/client/selector"
@@ -18,7 +17,6 @@ import (
 	"github.com/micro/go-micro/v2/errors"
 	"github.com/micro/go-micro/v2/metadata"
 	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/util/config"
 	pnet "github.com/micro/go-micro/v2/util/net"
 
 	"google.golang.org/grpc"
@@ -117,13 +115,6 @@ func (g *grpcClient) call(ctx context.Context, node *registry.Node, req client.R
 	// set the content type for the request
 	header["x-content-type"] = req.ContentType()
 
-	// set the authorization header
-	if opts.ServiceToken || len(header["authorization"]) == 0 {
-		if h := g.authorizationHeader(); len(h) > 0 {
-			header["authorization"] = h
-		}
-	}
-
 	md := gmetadata.New(header)
 	ctx = gmetadata.NewOutgoingContext(ctx, md)
 
@@ -202,13 +193,6 @@ func (g *grpcClient) stream(ctx context.Context, node *registry.Node, req client
 	// set the content type for the request
 	header["x-content-type"] = req.ContentType()
 
-	// set the authorization header
-	if opts.ServiceToken || len(header["authorization"]) == 0 {
-		if h := g.authorizationHeader(); len(h) > 0 {
-			header["authorization"] = h
-		}
-	}
-
 	md := gmetadata.New(header)
 	ctx = gmetadata.NewOutgoingContext(ctx, md)
 
@@ -295,26 +279,6 @@ func (g *grpcClient) stream(ctx context.Context, node *registry.Node, req client
 	}, nil
 }
 
-func (g *grpcClient) authorizationHeader() string {
-	// if the caller specifies using service token or no token
-	// was passed with the request, set the service token
-	var srvToken string
-	if g.opts.Auth != nil && g.opts.Auth.Options().Token != nil {
-		srvToken = g.opts.Auth.Options().Token.AccessToken
-	}
-	if len(srvToken) > 0 {
-		return auth.BearerScheme + srvToken
-	}
-
-	// fall back to using the authorization token set in config,
-	// this enables the CLI to provide a token
-	if token, err := config.Get("micro", "auth", "token"); err == nil && len(token) > 0 {
-		return auth.BearerScheme + token
-	}
-
-	return ""
-}
-
 func (g *grpcClient) poolMaxStreams() int {
 	if g.opts.Context == nil {
 		return DefaultPoolMaxStreams