diff --git a/services/collaboration/pkg/helpers/cs3.go b/services/collaboration/pkg/helpers/cs3.go
index 0d5cfbc9aa..eeb44eaa99 100644
--- a/services/collaboration/pkg/helpers/cs3.go
+++ b/services/collaboration/pkg/helpers/cs3.go
@@ -4,33 +4,10 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 
-	gatewayv1beta1 "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
 	providerv1beta1 "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
-	"github.com/cs3org/reva/v2/pkg/rgrpc/todo/pool"
 	"github.com/cs3org/reva/v2/pkg/storagespace"
-	"github.com/owncloud/ocis/v2/services/collaboration/pkg/config"
 )
 
-var commonCS3ApiClient gatewayv1beta1.GatewayAPIClient
-
-// GatewayAPIClient gets an instance based on the provided configuration.
-// The instance will be cached and returned if possible, unless the "forceNew"
-// parameter is set to true. In this case, the old instance will be replaced
-// with the new one if there is no error.
-func GetCS3apiClient(cfg *config.Config, forceNew bool) (gatewayv1beta1.GatewayAPIClient, error) {
-	// establish a connection to the cs3 api endpoint
-	// in this case a REVA gateway, started by oCIS
-	if commonCS3ApiClient != nil && !forceNew {
-		return commonCS3ApiClient, nil
-	}
-
-	client, err := pool.GetGatewayServiceClient(cfg.CS3Api.Gateway.Name)
-	if err == nil {
-		commonCS3ApiClient = client
-	}
-	return client, err
-}
-
 // HashResourceId builds a urlsafe and stable file reference that can be used for proxy routing,
 // so that all sessions on one file end on the same office server
 func HashResourceId(resourceId *providerv1beta1.ResourceId) string {