diff --git a/models/migrations/v1_26/v325.go b/models/migrations/v1_26/v325.go
index 9bfd203cd7..5e431f78f4 100644
--- a/models/migrations/v1_26/v325.go
+++ b/models/migrations/v1_26/v325.go
@@ -12,8 +12,8 @@ import (
 func AddProjectWorkflow(x *xorm.Engine) error {
 	type ProjectWorkflow struct {
 		ID              int64
-		ProjectID       int64              `xorm:"INDEX"`
-		WorkflowEvent   string             `xorm:"INDEX"`
+		ProjectID       int64 `xorm:"INDEX"`
+		WorkflowEvent   string
 		WorkflowFilters string             `xorm:"TEXT JSON"`
 		WorkflowActions string             `xorm:"TEXT JSON"`
 		Enabled         bool               `xorm:"DEFAULT true"`
diff --git a/models/project/workflows.go b/models/project/workflows.go
index 392cc717d1..b0d7f3f3c7 100644
--- a/models/project/workflows.go
+++ b/models/project/workflows.go
@@ -158,9 +158,9 @@ func GetWorkflowEventCapabilities() map[WorkflowEvent]WorkflowEventCapabilities
 
 type Workflow struct {
 	ID              int64
-	ProjectID       int64              `xorm:"INDEX"`
-	Project         *Project           `xorm:"-"`
-	WorkflowEvent   WorkflowEvent      `xorm:"INDEX"`
+	ProjectID       int64    `xorm:"INDEX"`
+	Project         *Project `xorm:"-"`
+	WorkflowEvent   WorkflowEvent
 	WorkflowFilters []WorkflowFilter   `xorm:"TEXT JSON"`
 	WorkflowActions []WorkflowAction   `xorm:"TEXT JSON"`
 	Enabled         bool               `xorm:"DEFAULT true"`