--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -1146,41 +1146,16 @@ ContentParent::RecvConnectPluginBridge(c
   // pointer and just throw it away.
   uint32_t dummy = 0;
   if (!mozilla::plugins::SetupBridge(aPluginId, this, aRv, &dummy, aEndpoint)) {
     return IPC_FAIL(this, "SetupBridge failed");
   }
   return IPC_OK();
 }
 
-mozilla::ipc::IPCResult
-ContentParent::RecvGetBlocklistState(const uint32_t& aPluginId,
-                                     uint32_t* aState)
-{
-  *aState = nsIBlocklistService::STATE_BLOCKED;
-
-  RefPtr<nsPluginHost> pluginHost = nsPluginHost::GetInst();
-  if (!pluginHost) {
-    NS_WARNING("Plugin host not found");
-    return IPC_FAIL_NO_REASON(this);
-  }
-  nsPluginTag* tag =  pluginHost->PluginWithId(aPluginId);
-
-  if (!tag) {
-    // Default state is blocked anyway
-    NS_WARNING("Plugin tag not found. This should never happen, but to avoid a crash we're forcibly blocking it");
-    return IPC_OK();
-  }
-
-  if (NS_FAILED(tag->GetBlocklistState(aState))) {
-    return IPC_FAIL_NO_REASON(this);
-  }
-  return IPC_OK();
-}
-
 /*static*/ TabParent*
 ContentParent::CreateBrowser(const TabContext& aContext,
                              Element* aFrameElement,
                              ContentParent* aOpenerContentParent,
                              TabParent* aSameTabGroupAs,
                              uint64_t aNextTabParentId)
 {
   AUTO_PROFILER_LABEL("ContentParent::CreateBrowser", OTHER);

--- a/dom/ipc/ContentParent.h
+++ b/dom/ipc/ContentParent.h
@@ -299,19 +299,16 @@ public:
                                                  Endpoint<PPluginModuleParent>* aEndpoint) override;
 
   virtual mozilla::ipc::IPCResult RecvMaybeReloadPlugins() override;
 
   virtual mozilla::ipc::IPCResult RecvConnectPluginBridge(const uint32_t& aPluginId,
                                                           nsresult* aRv,
                                                           Endpoint<PPluginModuleParent>* aEndpoint) override;
 
-  virtual mozilla::ipc::IPCResult RecvGetBlocklistState(const uint32_t& aPluginId,
-                                                        uint32_t* aIsBlocklisted) override;
-
   virtual mozilla::ipc::IPCResult RecvUngrabPointer(const uint32_t& aTime) override;
 
   virtual mozilla::ipc::IPCResult RecvRemovePermission(const IPC::Principal& aPrincipal,
                                                        const nsCString& aPermissionType,
                                                        nsresult* aRv) override;
 
   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(ContentParent, nsIObserver)
 

--- a/dom/ipc/PContent.ipdl
+++ b/dom/ipc/PContent.ipdl
@@ -634,21 +634,16 @@ parent:
      * This call is used by asynchronous plugin instantiation to notify the
      * content parent that it is now safe to initiate the plugin bridge for
      * the specified plugin id. The endpoint for the content process part of the
      * bridge is returned.
      */
     sync ConnectPluginBridge(uint32_t aPluginId)
         returns (nsresult rv, Endpoint<PPluginModuleParent> aEndpoint);
 
-    /**
-     * Return the current blocklist state for a particular plugin.
-     */
-    sync GetBlocklistState(uint32_t aPluginId) returns (uint32_t aState);
-
     async PJavaScript();
 
     async PRemoteSpellcheckEngine();
 
     async InitCrashReporter(Shmem shmem, NativeThreadId tid);
 
     /**
      * Is this token compatible with the provided version?

--- a/ipc/ipdl/sync-messages.ini
+++ b/ipc/ipdl/sync-messages.ini
@@ -856,18 +856,16 @@ description =
 [PContent::CreateChildProcess]
 description =
 [PContent::BridgeToChildProcess]
 description =
 [PContent::LoadPlugin]
 description =
 [PContent::ConnectPluginBridge]
 description =
-[PContent::GetBlocklistState]
-description =
 [PContent::NSSU2FTokenIsCompatibleVersion]
 description =
 [PContent::NSSU2FTokenIsRegistered]
 description =
 [PContent::NSSU2FTokenRegister]
 description =
 [PContent::NSSU2FTokenSign]
 description =