diff --git a/Libraries/LibDevTools/Actor.cpp b/Libraries/LibDevTools/Actor.cpp
index 4aa1824f0fd..1bb485b3ef8 100644
--- a/Libraries/LibDevTools/Actor.cpp
+++ b/Libraries/LibDevTools/Actor.cpp
@@ -19,22 +19,23 @@ Actor::Actor(DevToolsServer& devtools, String name)
 
 Actor::~Actor() = default;
 
-void Actor::send_message(JsonValue message, Optional<BlockToken> block_token)
+void Actor::send_message(JsonObject message, Optional<BlockToken> block_token)
 {
     if (m_block_responses && !block_token.has_value()) {
         m_blocked_responses.append(move(message));
         return;
     }
 
+    message.set("from"sv, name());
+
     if (auto& connection = devtools().connection())
-        connection->send_message(message);
+        connection->send_message(move(message));
 }
 
 // https://firefox-source-docs.mozilla.org/devtools/backend/protocol.html#error-packets
 void Actor::send_missing_parameter_error(StringView parameter)
 {
     JsonObject error;
-    error.set("from"sv, name());
     error.set("error"sv, "missingParameter"sv);
     error.set("message"sv, MUST(String::formatted("Missing parameter: '{}'", parameter)));
     send_message(move(error));
@@ -44,7 +45,6 @@ void Actor::send_missing_parameter_error(StringView parameter)
 void Actor::send_unrecognized_packet_type_error(StringView type)
 {
     JsonObject error;
-    error.set("from"sv, name());
     error.set("error"sv, "unrecognizedPacketType"sv);
     error.set("message"sv, MUST(String::formatted("Unrecognized packet type: '{}'", type)));
     send_message(move(error));
@@ -55,7 +55,6 @@ void Actor::send_unrecognized_packet_type_error(StringView type)
 void Actor::send_unknown_actor_error(StringView actor)
 {
     JsonObject error;
-    error.set("from"sv, name());
     error.set("error"sv, "unknownActor"sv);
     error.set("message"sv, MUST(String::formatted("Unknown actor: '{}'", actor)));
     send_message(move(error));
diff --git a/Libraries/LibDevTools/Actor.h b/Libraries/LibDevTools/Actor.h
index 54c46b2b16b..0ce3d124fe6 100644
--- a/Libraries/LibDevTools/Actor.h
+++ b/Libraries/LibDevTools/Actor.h
@@ -42,7 +42,7 @@ public:
         WeakPtr<Actor> m_actor;
     };
 
-    void send_message(JsonValue, Optional<BlockToken> block_token = {});
+    void send_message(JsonObject, Optional<BlockToken> block_token = {});
     void send_missing_parameter_error(StringView parameter);
     void send_unrecognized_packet_type_error(StringView type);
     void send_unknown_actor_error(StringView actor);
@@ -59,7 +59,7 @@ private:
     DevToolsServer& m_devtools;
     String m_name;
 
-    Vector<JsonValue> m_blocked_responses;
+    Vector<JsonObject> m_blocked_responses;
     bool m_block_responses { false };
 };
 
diff --git a/Libraries/LibDevTools/Actors/CSSPropertiesActor.cpp b/Libraries/LibDevTools/Actors/CSSPropertiesActor.cpp
index 0b066509127..8c4b74f404d 100644
--- a/Libraries/LibDevTools/Actors/CSSPropertiesActor.cpp
+++ b/Libraries/LibDevTools/Actors/CSSPropertiesActor.cpp
@@ -27,7 +27,6 @@ CSSPropertiesActor::~CSSPropertiesActor() = default;
 void CSSPropertiesActor::handle_message(StringView type, JsonObject const&)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getCSSDatabase"sv) {
         auto css_property_list = devtools().delegate().css_property_list();
diff --git a/Libraries/LibDevTools/Actors/ConsoleActor.cpp b/Libraries/LibDevTools/Actors/ConsoleActor.cpp
index 34eb1bc0c17..03c2ba39e7c 100644
--- a/Libraries/LibDevTools/Actors/ConsoleActor.cpp
+++ b/Libraries/LibDevTools/Actors/ConsoleActor.cpp
@@ -31,7 +31,6 @@ ConsoleActor::~ConsoleActor() = default;
 void ConsoleActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "autocomplete"sv) {
         response.set("matches"sv, JsonArray {});
@@ -81,7 +80,6 @@ void ConsoleActor::handle_message(StringView type, JsonObject const& message)
 void ConsoleActor::received_console_result(String result_id, String input, JsonValue result, BlockToken block_token)
 {
     JsonObject message;
-    message.set("from"sv, name());
     message.set("type"sv, "evaluationResult"_string);
     message.set("timestamp"sv, AK::UnixDateTime::now().milliseconds_since_epoch());
     message.set("resultID"sv, move(result_id));
diff --git a/Libraries/LibDevTools/Actors/DeviceActor.cpp b/Libraries/LibDevTools/Actors/DeviceActor.cpp
index 06b936f1faf..ae8501bdab9 100644
--- a/Libraries/LibDevTools/Actors/DeviceActor.cpp
+++ b/Libraries/LibDevTools/Actors/DeviceActor.cpp
@@ -48,10 +48,9 @@ void DeviceActor::handle_message(StringView type, JsonObject const&)
         value.set("arch"sv, arch);
 
         JsonObject response;
-        response.set("from"sv, name());
         response.set("value"sv, move(value));
-
         send_message(move(response));
+
         return;
     }
 
diff --git a/Libraries/LibDevTools/Actors/FrameActor.cpp b/Libraries/LibDevTools/Actors/FrameActor.cpp
index 45280deee0c..6d6f13dea83 100644
--- a/Libraries/LibDevTools/Actors/FrameActor.cpp
+++ b/Libraries/LibDevTools/Actors/FrameActor.cpp
@@ -54,7 +54,6 @@ FrameActor::~FrameActor()
 void FrameActor::handle_message(StringView type, JsonObject const&)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "detach"sv) {
         if (auto tab = m_tab.strong_ref()) {
@@ -88,7 +87,6 @@ void FrameActor::send_frame_update_message()
     }
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("type"sv, "frameUpdate"sv);
     message.set("frames"sv, move(frames));
     send_message(move(message));
@@ -198,7 +196,6 @@ void FrameActor::console_messages_received(i32 start_index, Vector<WebView::Cons
     array.must_append(move(console_message));
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("type"sv, "resources-available-array"sv);
     message.set("array"sv, move(array));
     send_message(move(message));
diff --git a/Libraries/LibDevTools/Actors/HighlighterActor.cpp b/Libraries/LibDevTools/Actors/HighlighterActor.cpp
index 463ad4dbc7b..22599f66e25 100644
--- a/Libraries/LibDevTools/Actors/HighlighterActor.cpp
+++ b/Libraries/LibDevTools/Actors/HighlighterActor.cpp
@@ -30,7 +30,6 @@ HighlighterActor::~HighlighterActor() = default;
 void HighlighterActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "show"sv) {
         auto node = message.get_string("node"sv);
diff --git a/Libraries/LibDevTools/Actors/InspectorActor.cpp b/Libraries/LibDevTools/Actors/InspectorActor.cpp
index 6bc84bca46c..7b15aab3120 100644
--- a/Libraries/LibDevTools/Actors/InspectorActor.cpp
+++ b/Libraries/LibDevTools/Actors/InspectorActor.cpp
@@ -32,7 +32,6 @@ InspectorActor::~InspectorActor() = default;
 void InspectorActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getPageStyle"sv) {
         if (!m_page_style)
@@ -101,7 +100,6 @@ void InspectorActor::received_dom_tree(JsonObject dom_tree, BlockToken block_tok
     walker.set("root"sv, walker_actor.serialize_root());
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("walker"sv, move(walker));
     send_message(move(message), move(block_token));
 }
diff --git a/Libraries/LibDevTools/Actors/LayoutInspectorActor.cpp b/Libraries/LibDevTools/Actors/LayoutInspectorActor.cpp
index 1a53fb318e2..1326c31142b 100644
--- a/Libraries/LibDevTools/Actors/LayoutInspectorActor.cpp
+++ b/Libraries/LibDevTools/Actors/LayoutInspectorActor.cpp
@@ -25,7 +25,6 @@ LayoutInspectorActor::~LayoutInspectorActor() = default;
 void LayoutInspectorActor::handle_message(StringView type, JsonObject const&)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getCurrentFlexbox"sv) {
         response.set("flexbox"sv, JsonValue {});
diff --git a/Libraries/LibDevTools/Actors/NodeActor.cpp b/Libraries/LibDevTools/Actors/NodeActor.cpp
index a6a58aa13e7..2dded40b97c 100644
--- a/Libraries/LibDevTools/Actors/NodeActor.cpp
+++ b/Libraries/LibDevTools/Actors/NodeActor.cpp
@@ -96,7 +96,6 @@ NodeActor::~NodeActor() = default;
 void NodeActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getUniqueSelector"sv) {
         auto dom_node = WalkerActor::dom_node_for(m_walker, name());
@@ -136,7 +135,7 @@ void NodeActor::handle_message(StringView type, JsonObject const& message)
             }
 
             if (auto self = weak_self.strong_ref())
-                self->finished_editing_dom_node(move(block_token));
+                self->send_message({}, move(block_token));
         };
 
         if (attribute_to_replace.has_value()) {
@@ -172,7 +171,7 @@ void NodeActor::handle_message(StringView type, JsonObject const& message)
                 }
 
                 if (auto self = weak_self.strong_ref())
-                    self->finished_editing_dom_node(move(block_token));
+                    self->send_message({}, move(block_token));
             });
 
         return;
@@ -181,11 +180,4 @@ void NodeActor::handle_message(StringView type, JsonObject const& message)
     send_unrecognized_packet_type_error(type);
 }
 
-void NodeActor::finished_editing_dom_node(BlockToken block_token)
-{
-    JsonObject message;
-    message.set("from"sv, name());
-    send_message(move(message), move(block_token));
-}
-
 }
diff --git a/Libraries/LibDevTools/Actors/NodeActor.h b/Libraries/LibDevTools/Actors/NodeActor.h
index 09c828e2f8f..71cc1a52378 100644
--- a/Libraries/LibDevTools/Actors/NodeActor.h
+++ b/Libraries/LibDevTools/Actors/NodeActor.h
@@ -36,8 +36,6 @@ public:
 private:
     NodeActor(DevToolsServer&, String name, NodeIdentifier, WeakPtr<WalkerActor>);
 
-    void finished_editing_dom_node(BlockToken);
-
     NodeIdentifier m_node_identifier;
 
     WeakPtr<WalkerActor> m_walker;
diff --git a/Libraries/LibDevTools/Actors/PageStyleActor.cpp b/Libraries/LibDevTools/Actors/PageStyleActor.cpp
index 2d48a6c0c38..bb556c09143 100644
--- a/Libraries/LibDevTools/Actors/PageStyleActor.cpp
+++ b/Libraries/LibDevTools/Actors/PageStyleActor.cpp
@@ -31,7 +31,6 @@ PageStyleActor::~PageStyleActor() = default;
 void PageStyleActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getApplied"sv) {
         // FIXME: This provides information to the "styles" pane in the inspector tab, which allows toggling and editing
@@ -119,7 +118,6 @@ void PageStyleActor::inspect_dom_node(StringView node_actor, Callback&& callback
 void PageStyleActor::received_layout(JsonObject const& computed_style, JsonObject const& node_box_sizing, BlockToken block_token)
 {
     JsonObject message;
-    message.set("from"sv, name());
     message.set("autoMargins"sv, JsonObject {});
 
     auto pixel_value = [&](auto const& object, auto key) {
@@ -175,7 +173,6 @@ void PageStyleActor::received_computed_style(JsonObject const& computed_style, B
     });
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("computed"sv, move(computed));
     send_message(move(message), move(block_token));
 }
diff --git a/Libraries/LibDevTools/Actors/PreferenceActor.cpp b/Libraries/LibDevTools/Actors/PreferenceActor.cpp
index fea93786762..e893fd22cb7 100644
--- a/Libraries/LibDevTools/Actors/PreferenceActor.cpp
+++ b/Libraries/LibDevTools/Actors/PreferenceActor.cpp
@@ -30,7 +30,6 @@ void PreferenceActor::handle_message(StringView type, JsonObject const&)
     //        We just blindly return `false` for these, but we will eventually want a real configuration manager.
     if (type == "getBoolPref"sv) {
         JsonObject response;
-        response.set("from"sv, name());
         response.set("value"sv, false);
         send_message(move(response));
         return;
diff --git a/Libraries/LibDevTools/Actors/RootActor.cpp b/Libraries/LibDevTools/Actors/RootActor.cpp
index 72084807ec4..ccfa53f26dd 100644
--- a/Libraries/LibDevTools/Actors/RootActor.cpp
+++ b/Libraries/LibDevTools/Actors/RootActor.cpp
@@ -27,7 +27,6 @@ NonnullRefPtr<RootActor> RootActor::create(DevToolsServer& devtools, String name
     traits.set("networkMonitor"sv, false);
 
     JsonObject message;
-    message.set("from"sv, actor->name());
     message.set("applicationType"sv, "browser"sv);
     message.set("traits"sv, move(traits));
     actor->send_message(move(message));
@@ -45,7 +44,6 @@ RootActor::~RootActor() = default;
 void RootActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "connect") {
         send_message(move(response));
@@ -165,7 +163,6 @@ void RootActor::send_tab_list_changed_message()
         return;
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("type"sv, "tabListChanged"sv);
     send_message(move(message));
 
diff --git a/Libraries/LibDevTools/Actors/TabActor.cpp b/Libraries/LibDevTools/Actors/TabActor.cpp
index f2d185fd097..b3ff6d8fa77 100644
--- a/Libraries/LibDevTools/Actors/TabActor.cpp
+++ b/Libraries/LibDevTools/Actors/TabActor.cpp
@@ -31,7 +31,6 @@ TabActor::~TabActor()
 void TabActor::handle_message(StringView type, JsonObject const&)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getFavicon"sv) {
         // FIXME: Firefox DevTools wants a favicon URL here, but supplying a URL seems to prevent this tab from being
diff --git a/Libraries/LibDevTools/Actors/TargetConfigurationActor.cpp b/Libraries/LibDevTools/Actors/TargetConfigurationActor.cpp
index 1a386f9353b..8adf81fac9d 100644
--- a/Libraries/LibDevTools/Actors/TargetConfigurationActor.cpp
+++ b/Libraries/LibDevTools/Actors/TargetConfigurationActor.cpp
@@ -25,7 +25,6 @@ TargetConfigurationActor::~TargetConfigurationActor() = default;
 void TargetConfigurationActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "updateConfiguration"sv) {
         auto configuration = message.get_object("configuration"sv);
diff --git a/Libraries/LibDevTools/Actors/ThreadConfigurationActor.cpp b/Libraries/LibDevTools/Actors/ThreadConfigurationActor.cpp
index d940d840f96..a09d84d7266 100644
--- a/Libraries/LibDevTools/Actors/ThreadConfigurationActor.cpp
+++ b/Libraries/LibDevTools/Actors/ThreadConfigurationActor.cpp
@@ -25,7 +25,6 @@ ThreadConfigurationActor::~ThreadConfigurationActor() = default;
 void ThreadConfigurationActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "updateConfiguration"sv) {
         auto configuration = message.get_object("configuration"sv);
diff --git a/Libraries/LibDevTools/Actors/WalkerActor.cpp b/Libraries/LibDevTools/Actors/WalkerActor.cpp
index cd99239d8a1..89ff247d26d 100644
--- a/Libraries/LibDevTools/Actors/WalkerActor.cpp
+++ b/Libraries/LibDevTools/Actors/WalkerActor.cpp
@@ -46,7 +46,6 @@ WalkerActor::~WalkerActor()
 void WalkerActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "children"sv) {
         auto node = message.get_string("node"sv);
@@ -99,11 +98,8 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
                     return;
                 }
 
-                if (auto self = weak_self.strong_ref()) {
-                    JsonObject message;
-                    message.set("from"sv, self->name());
-                    self->send_message(move(message), move(block_token));
-                }
+                if (auto self = weak_self.strong_ref())
+                    self->send_message({}, move(block_token));
             });
 
         return;
@@ -138,11 +134,8 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
                     return;
                 }
 
-                if (auto self = weak_self.strong_ref()) {
-                    JsonObject message;
-                    message.set("from"sv, self->name());
-                    self->send_message(move(message), move(block_token));
-                }
+                if (auto self = weak_self.strong_ref())
+                    self->send_message({}, move(block_token));
             });
 
         return;
@@ -199,7 +192,6 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
 
                 if (auto self = weak_self.strong_ref()) {
                     JsonObject message;
-                    message.set("from"sv, self->name());
                     message.set("value"sv, html.release_value());
                     self->send_message(move(message), move(block_token));
                 }
@@ -243,7 +235,6 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
                     }
 
                     JsonObject message;
-                    message.set("from"sv, self->name());
                     message.set("newParents"sv, JsonArray {});
                     message.set("nodes"sv, move(nodes));
                     self->send_message(move(message), move(block_token));
@@ -299,11 +290,8 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
                     return;
                 }
 
-                if (auto self = weak_self.strong_ref()) {
-                    JsonObject message;
-                    message.set("from"sv, self->name());
-                    self->send_message(move(message), move(block_token));
-                }
+                if (auto self = weak_self.strong_ref())
+                    self->send_message({}, move(block_token));
             });
 
         return;
@@ -346,7 +334,6 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
 
                 if (auto self = weak_self.strong_ref()) {
                     JsonObject message;
-                    message.set("from"sv, self->name());
                     message.set("value"sv, html.release_value());
                     self->send_message(move(message), move(block_token));
                 }
@@ -445,7 +432,6 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
 
                 if (auto self = weak_self.strong_ref()) {
                     JsonObject message;
-                    message.set("from"sv, self->name());
                     message.set("nextSibling"sv, move(next_sibling));
                     self->send_message(move(message), move(block_token));
                 }
@@ -488,11 +474,8 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
                     return;
                 }
 
-                if (auto self = weak_self.strong_ref()) {
-                    JsonObject message;
-                    message.set("from"sv, self->name());
-                    self->send_message(move(message), move(block_token));
-                }
+                if (auto self = weak_self.strong_ref())
+                    self->send_message({}, move(block_token));
             });
 
         return;
@@ -503,10 +486,7 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
         response.set("node"sv, serialize_root());
         send_message(move(response));
 
-        JsonObject message;
-        message.set("from"sv, name());
-        send_message(move(message));
-
+        send_message({});
         return;
     }
 
@@ -772,7 +752,6 @@ void WalkerActor::new_dom_node_mutation(WebView::Mutation mutation)
         return;
 
     JsonObject message;
-    message.set("from"sv, name());
     message.set("type"sv, "newMutations"sv);
     send_message(move(message));
 
diff --git a/Libraries/LibDevTools/Actors/WatcherActor.cpp b/Libraries/LibDevTools/Actors/WatcherActor.cpp
index 33a9d0f381d..038f48ba8a5 100644
--- a/Libraries/LibDevTools/Actors/WatcherActor.cpp
+++ b/Libraries/LibDevTools/Actors/WatcherActor.cpp
@@ -36,7 +36,6 @@ WatcherActor::~WatcherActor() = default;
 void WatcherActor::handle_message(StringView type, JsonObject const& message)
 {
     JsonObject response;
-    response.set("from"sv, name());
 
     if (type == "getParentBrowsingContextID"sv) {
         auto browsing_context_id = message.get_integer<u64>("browsingContextID"sv);
@@ -110,10 +109,7 @@ void WatcherActor::handle_message(StringView type, JsonObject const& message)
 
             target.send_frame_update_message();
 
-            JsonObject message;
-            message.set("from"sv, name());
-            send_message(move(message));
-
+            send_message({});
             return;
         }
     }