diff --git a/pkg/services/rpcsrv/error.go b/pkg/services/rpcsrv/error.go
index 683a3cc43..9f740f894 100644
--- a/pkg/services/rpcsrv/error.go
+++ b/pkg/services/rpcsrv/error.go
@@ -44,8 +44,6 @@ func getHTTPCodeForError(respErr *neorpc.Error) int {
 	switch respErr.Code {
 	case neorpc.BadRequestCode:
 		httpCode = http.StatusBadRequest
-	case neorpc.InvalidRequestCode, neorpc.InvalidParamsCode:
-		httpCode = http.StatusUnprocessableEntity
 	case neorpc.MethodNotFoundCode:
 		httpCode = http.StatusMethodNotAllowed
 	case neorpc.InternalServerErrorCode: