diff --git a/src/plugins/nim/project/nimtoolchain.h b/src/plugins/nim/project/nimtoolchain.h
index 5ad1ceb0f7d..2bb59aac82d 100644
--- a/src/plugins/nim/project/nimtoolchain.h
+++ b/src/plugins/nim/project/nimtoolchain.h
@@ -40,23 +40,23 @@ public:
     ProjectExplorer::Abi targetAbi() const override;
     bool isValid() const override;
 
-    QByteArray predefinedMacros(const QStringList &flags) const override;
-    CompilerFlags compilerFlags(const QStringList &flags) const;
-    ProjectExplorer::WarningFlags warningFlags(const QStringList &flags) const;
+    QByteArray predefinedMacros(const QStringList &flags) const final;
+    CompilerFlags compilerFlags(const QStringList &flags) const final;
+    ProjectExplorer::WarningFlags warningFlags(const QStringList &flags) const final;
 
     QList<ProjectExplorer::HeaderPath> systemHeaderPaths(const QStringList &flags,
-                                                         const Utils::FileName &sysRoot) const override;
-    void addToEnvironment(Utils::Environment &env) const override;
-    QString makeCommand(const Utils::Environment &env) const override;
-    Utils::FileName compilerCommand() const override;
+                                                         const Utils::FileName &sysRoot) const final;
+    void addToEnvironment(Utils::Environment &env) const final;
+    QString makeCommand(const Utils::Environment &env) const final;
+    Utils::FileName compilerCommand() const final;
     QString compilerVersion() const;
     void setCompilerCommand(const Utils::FileName &compilerCommand);
-    ProjectExplorer::IOutputParser *outputParser() const override;
-    ProjectExplorer::ToolChainConfigWidget *configurationWidget() override;
-    ProjectExplorer::ToolChain *clone() const override;
+    ProjectExplorer::IOutputParser *outputParser() const final;
+    ProjectExplorer::ToolChainConfigWidget *configurationWidget() final;
+    ProjectExplorer::ToolChain *clone() const final;
 
-    QVariantMap toMap() const override;
-    bool fromMap(const QVariantMap &data) override;
+    QVariantMap toMap() const final;
+    bool fromMap(const QVariantMap &data) final;
 
     static bool parseVersion(const Utils::FileName &path, std::tuple<int, int, int> &version);
 
diff --git a/src/plugins/nim/project/nimtoolchainfactory.h b/src/plugins/nim/project/nimtoolchainfactory.h
index 0ca2732f502..9c0d8fbc13f 100644
--- a/src/plugins/nim/project/nimtoolchainfactory.h
+++ b/src/plugins/nim/project/nimtoolchainfactory.h
@@ -41,12 +41,12 @@ class NimToolChainFactory : public ProjectExplorer::ToolChainFactory
 public:
     NimToolChainFactory();
 
-    bool canCreate() override;
-    ProjectExplorer::ToolChain *create(Core::Id l) override;
-    bool canRestore(const QVariantMap &data) override;
-    ProjectExplorer::ToolChain *restore(const QVariantMap &data) override;
-    QSet<Core::Id> supportedLanguages() const override;
-    QList<ProjectExplorer::ToolChain *> autoDetect(const QList<ProjectExplorer::ToolChain *> &alreadyKnown) override;
+    bool canCreate() final;
+    ProjectExplorer::ToolChain *create(Core::Id l) final;
+    bool canRestore(const QVariantMap &data) final;
+    ProjectExplorer::ToolChain *restore(const QVariantMap &data) final;
+    QSet<Core::Id> supportedLanguages() const final;
+    QList<ProjectExplorer::ToolChain *> autoDetect(const QList<ProjectExplorer::ToolChain *> &alreadyKnown) final;
 };
 
 class NimToolChainConfigWidget : public ProjectExplorer::ToolChainConfigWidget
@@ -57,10 +57,10 @@ public:
     explicit NimToolChainConfigWidget(NimToolChain *tc);
 
 protected:
-    void applyImpl() override;
-    void discardImpl() override;
-    bool isDirtyImpl() const override;
-    void makeReadOnlyImpl() override;
+    void applyImpl() final;
+    void discardImpl() final;
+    bool isDirtyImpl() const final;
+    void makeReadOnlyImpl() final;
 
 private:
     void fillUI();