diff --git a/handler_with_error.go b/handler_with_error.go
index 11cd945..81c5546 100644
--- a/handler_with_error.go
+++ b/handler_with_error.go
@@ -3,7 +3,6 @@ package jsonrpc2
 import (
 	"context"
 	"log"
-	"reflect"
 )
 
 // HandlerWithError implements Handler by calling the func for each
@@ -22,9 +21,6 @@ func (h HandlerWithError) Handle(ctx context.Context, conn *Conn, req *Request)
 
 	resp := &Response{ID: req.ID}
 	if err == nil {
-		if isNilValue(result) {
-			result = struct{}{}
-		}
 		err = resp.SetResult(result)
 	}
 	if err != nil {
@@ -41,17 +37,3 @@ func (h HandlerWithError) Handle(ctx context.Context, conn *Conn, req *Request)
 		}
 	}
 }
-
-// isNilValue tests if an interface is empty, because an empty interface does
-// not encode any information, we can't encode it in JSON so that the proxy
-// knows it's a response, not a request.
-func isNilValue(resp interface{}) bool {
-	if resp == nil {
-		return true
-	}
-	kind := reflect.TypeOf(resp).Kind()
-	value := reflect.ValueOf(resp)
-	nilPtr := kind == reflect.Ptr && value.IsNil()
-	nilSlice := kind == reflect.Slice && value.IsNil()
-	return nilPtr || nilSlice
-}