diff --git a/lib/icinga/checkcommand.hpp b/lib/icinga/checkcommand.hpp
index eb8f5a012..c654cf93e 100644
--- a/lib/icinga/checkcommand.hpp
+++ b/lib/icinga/checkcommand.hpp
@@ -22,7 +22,7 @@ public:
 
 	static thread_local CheckCommand::Ptr ExecuteOverride;
 
-	virtual void Execute(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
+	void Execute(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
 		const Dictionary::Ptr& resolvedMacros = nullptr,
 		bool useResolvedMacros = false);
 };
diff --git a/lib/icinga/eventcommand.hpp b/lib/icinga/eventcommand.hpp
index 064cb5ad0..67997e66b 100644
--- a/lib/icinga/eventcommand.hpp
+++ b/lib/icinga/eventcommand.hpp
@@ -22,7 +22,7 @@ public:
 
 	static thread_local EventCommand::Ptr ExecuteOverride;
 
-	virtual void Execute(const Checkable::Ptr& checkable,
+	void Execute(const Checkable::Ptr& checkable,
 		const Dictionary::Ptr& resolvedMacros = nullptr,
 		bool useResolvedMacros = false);
 };