--- a/devtools/server/actors/root.js
+++ b/devtools/server/actors/root.js
@@ -177,18 +177,16 @@ RootActor.prototype = {
     // `front.startProfiler`. This is an optional parameter but it will throw an error if
     // the profiled Firefox doesn't accept it.
     perfActorVersion: 1,
     // Supports native log points and modifying the condition/log of an existing
     // breakpoints. Fx66+
     nativeLogpoints: true,
     // support older browsers for Fx69+
     hasThreadFront: true,
-    // Support watchpoints in the server for Fx71+
-    watchpoints: true,
   },
 
   /**
    * Return a 'hello' packet as specified by the Remote Debugging Protocol.
    */
   sayHello: function() {
     return {
       from: this.actorID,

--- a/devtools/server/actors/targets/browsing-context.js
+++ b/devtools/server/actors/targets/browsing-context.js
@@ -277,16 +277,18 @@ const browsingContextTargetPrototype = {
       reconfigure: true,
       // Supports frame listing via `listFrames` request and `frameUpdate` events
       // as well as frame switching via `switchToFrame` request
       frames: true,
       // Supports the logInPage request.
       logInPage: true,
       // Supports requests related to rewinding.
       canRewind,
+      // Supports watchpoints in the server for Fx71+
+      watchpoints: true,
     };
 
     this._workerTargetActorList = null;
     this._workerTargetActorPool = null;
     this._frameDescriptorActorPool = null;
     this._onWorkerTargetActorListChanged = this._onWorkerTargetActorListChanged.bind(
       this
     );