diff --git a/src/plugins/nim/nimplugin.cpp b/src/plugins/nim/nimplugin.cpp
index 98760d7b6e0..7234d1c5905 100644
--- a/src/plugins/nim/nimplugin.cpp
+++ b/src/plugins/nim/nimplugin.cpp
@@ -79,14 +79,17 @@ bool NimPlugin::initialize(const QStringList &arguments, QString *errorMessage)
     addAutoReleasedObject(new NimCodeStyleSettingsPage);
     addAutoReleasedObject(new NimCodeStylePreferencesFactory);
 
+    return true;
+}
+
+void NimPlugin::extensionsInitialized()
+{
     // Add MIME overlay icons (these icons displayed at Project dock panel)
     const QIcon icon((QLatin1String(Constants::C_NIM_ICON_PATH)));
     if (!icon.isNull()) {
         Core::FileIconProvider::registerIconOverlayForMimeType(icon, Constants::C_NIM_MIMETYPE);
         Core::FileIconProvider::registerIconOverlayForMimeType(icon, Constants::C_NIM_SCRIPT_MIMETYPE);
     }
-
-    return true;
 }
 
 } // namespace Nim
diff --git a/src/plugins/nim/nimplugin.h b/src/plugins/nim/nimplugin.h
index 7c83d6a54dc..0ce026fdd9e 100644
--- a/src/plugins/nim/nimplugin.h
+++ b/src/plugins/nim/nimplugin.h
@@ -39,9 +39,8 @@ public:
 
     ~NimPlugin();
 
-    bool initialize(const QStringList &arguments, QString *errorMessage) override;
-
-    void extensionsInitialized() override {}
+    bool initialize(const QStringList &arguments, QString *errorMessage) final;
+    void extensionsInitialized() final;
 };
 
 }