diff --git a/public/app/plugins/panel/canvas/utils.ts b/public/app/plugins/panel/canvas/utils.ts
index 66009a0dbd6..dfabad08313 100644
--- a/public/app/plugins/panel/canvas/utils.ts
+++ b/public/app/plugins/panel/canvas/utils.ts
@@ -322,6 +322,9 @@ export function updateConnectionsForSource(element: ElementState, scene: Scene)
     const connections = sourceConnections.filter((con) => con.targetName !== element.getName());
     connection.source.onChange({ ...connection.source.options, connections });
   });
+
+  // Update scene connection state to clear out old connections
+  scene.connections.updateState();
 }
 
 export const calculateCoordinates = (