diff --git a/src/plugins/silversearcher/CMakeLists.txt b/src/plugins/silversearcher/CMakeLists.txt
index 2af582d4a3e..ad6542613bd 100644
--- a/src/plugins/silversearcher/CMakeLists.txt
+++ b/src/plugins/silversearcher/CMakeLists.txt
@@ -3,7 +3,7 @@ add_qtc_plugin(SilverSearcher
   SOURCES
     findinfilessilversearcher.cpp findinfilessilversearcher.h
     silversearcherparser.cpp silversearcherparser.h
-    silversearcherplugin.cpp silversearcherplugin.h
+    silversearcherplugin.cpp
     silversearchertr.h
 )
 
diff --git a/src/plugins/silversearcher/silversearcher.qbs b/src/plugins/silversearcher/silversearcher.qbs
index 08a25367aad..e591ac80a54 100644
--- a/src/plugins/silversearcher/silversearcher.qbs
+++ b/src/plugins/silversearcher/silversearcher.qbs
@@ -10,7 +10,7 @@ QtcPlugin {
     files: [
         "findinfilessilversearcher.cpp", "findinfilessilversearcher.h",
         "silversearcherparser.cpp", "silversearcherparser.h",
-        "silversearcherplugin.cpp", "silversearcherplugin.h",
+        "silversearcherplugin.cpp",
     ]
 
     QtcTestFiles {
diff --git a/src/plugins/silversearcher/silversearcherplugin.cpp b/src/plugins/silversearcher/silversearcherplugin.cpp
index 1f143407d78..fd3b3ae877d 100644
--- a/src/plugins/silversearcher/silversearcherplugin.cpp
+++ b/src/plugins/silversearcher/silversearcherplugin.cpp
@@ -3,17 +3,26 @@
 
 #include "findinfilessilversearcher.h"
 #include "silversearcherparser_test.h"
-#include "silversearcherplugin.h"
+
+#include <extensionsystem/iplugin.h>
 
 namespace SilverSearcher::Internal {
 
-void SilverSearcherPlugin::initialize()
+class SilverSearcherPlugin final : public ExtensionSystem::IPlugin
 {
-    new FindInFilesSilverSearcher(this);
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "SilverSearcher.json")
+
+    void initialize() final
+    {
+        new FindInFilesSilverSearcher(this);
 
 #ifdef WITH_TESTS
-    addTest<OutputParserTest>();
+        addTest<OutputParserTest>();
 #endif
-}
+    }
+};
 
 } // SilverSearcher::Internal
+
+#include "silversearcherplugin.moc"
diff --git a/src/plugins/silversearcher/silversearcherplugin.h b/src/plugins/silversearcher/silversearcherplugin.h
deleted file mode 100644
index 8471d6f64a3..00000000000
--- a/src/plugins/silversearcher/silversearcherplugin.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (C) 2017 Przemyslaw Gorszkowski <pgorszkowski@gmail.com>.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-
-#pragma once
-
-#include <extensionsystem/iplugin.h>
-
-namespace SilverSearcher::Internal {
-
-class SilverSearcherPlugin : public ExtensionSystem::IPlugin
-{
-    Q_OBJECT
-    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "SilverSearcher.json")
-
-public:
-    void initialize() override;
-};
-
-} // SilverSearcher::Internal