diff --git a/pkg/api/annotations.go b/pkg/api/annotations.go
index fe4658f3faf..a44108537cb 100644
--- a/pkg/api/annotations.go
+++ b/pkg/api/annotations.go
@@ -213,6 +213,7 @@ func DeleteAnnotations(c *m.ReqContext, cmd dtos.DeleteAnnotationsCmd) Response
 	repo := annotations.GetRepository()
 
 	err := repo.Delete(&annotations.DeleteParams{
+		OrgId:       c.OrgId,
 		Id:          cmd.AnnotationId,
 		RegionId:    cmd.RegionId,
 		DashboardId: cmd.DashboardId,
@@ -235,7 +236,8 @@ func DeleteAnnotationByID(c *m.ReqContext) Response {
 	}
 
 	err := repo.Delete(&annotations.DeleteParams{
-		Id: annotationID,
+		OrgId: c.OrgId,
+		Id:    annotationID,
 	})
 
 	if err != nil {
@@ -254,6 +256,7 @@ func DeleteAnnotationRegion(c *m.ReqContext) Response {
 	}
 
 	err := repo.Delete(&annotations.DeleteParams{
+		OrgId:    c.OrgId,
 		RegionId: regionID,
 	})
 
diff --git a/pkg/services/annotations/annotations.go b/pkg/services/annotations/annotations.go
index 5cebb3d2df9..9b490169d3b 100644
--- a/pkg/services/annotations/annotations.go
+++ b/pkg/services/annotations/annotations.go
@@ -35,11 +35,12 @@ type PostParams struct {
 }
 
 type DeleteParams struct {
-	Id          int64 `json:"id"`
-	AlertId     int64 `json:"alertId"`
-	DashboardId int64 `json:"dashboardId"`
-	PanelId     int64 `json:"panelId"`
-	RegionId    int64 `json:"regionId"`
+	OrgId       int64
+	Id          int64
+	AlertId     int64
+	DashboardId int64
+	PanelId     int64
+	RegionId    int64
 }
 
 var repositoryInstance Repository
diff --git a/pkg/services/sqlstore/annotation.go b/pkg/services/sqlstore/annotation.go
index 52da7a99516..a65bc136554 100644
--- a/pkg/services/sqlstore/annotation.go
+++ b/pkg/services/sqlstore/annotation.go
@@ -238,18 +238,19 @@ func (r *SqlAnnotationRepo) Delete(params *annotations.DeleteParams) error {
 			queryParams []interface{}
 		)
 
+		sqlog.Info("delete", "orgId", params.OrgId)
 		if params.RegionId != 0 {
-			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE region_id = ?)"
-			sql = "DELETE FROM annotation WHERE region_id = ?"
-			queryParams = []interface{}{params.RegionId}
+			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE region_id = ? AND org_id = ?)"
+			sql = "DELETE FROM annotation WHERE region_id = ? AND org_id = ?"
+			queryParams = []interface{}{params.RegionId, params.OrgId}
 		} else if params.Id != 0 {
-			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE id = ?)"
-			sql = "DELETE FROM annotation WHERE id = ?"
-			queryParams = []interface{}{params.Id}
+			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE id = ? AND org_id = ?)"
+			sql = "DELETE FROM annotation WHERE id = ? AND org_id = ?"
+			queryParams = []interface{}{params.Id, params.OrgId}
 		} else {
-			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE dashboard_id = ? AND panel_id = ?)"
-			sql = "DELETE FROM annotation WHERE dashboard_id = ? AND panel_id = ?"
-			queryParams = []interface{}{params.DashboardId, params.PanelId}
+			annoTagSql = "DELETE FROM annotation_tag WHERE annotation_id IN (SELECT id FROM annotation WHERE dashboard_id = ? AND panel_id = ? AND org_id = ?)"
+			sql = "DELETE FROM annotation WHERE dashboard_id = ? AND panel_id = ? AND org_id = ?"
+			queryParams = []interface{}{params.DashboardId, params.PanelId, params.OrgId}
 		}
 
 		if _, err := sess.Exec(annoTagSql, queryParams...); err != nil {
diff --git a/pkg/services/sqlstore/annotation_test.go b/pkg/services/sqlstore/annotation_test.go
index 01a95c7db7b..c0d267f2578 100644
--- a/pkg/services/sqlstore/annotation_test.go
+++ b/pkg/services/sqlstore/annotation_test.go
@@ -268,7 +268,7 @@ func TestAnnotations(t *testing.T) {
 
 				annotationId := items[0].Id
 
-				err = repo.Delete(&annotations.DeleteParams{Id: annotationId})
+				err = repo.Delete(&annotations.DeleteParams{Id: annotationId, OrgId: 1})
 				So(err, ShouldBeNil)
 
 				items, err = repo.Find(query)