diff --git a/src/StateFile.cxx b/src/StateFile.cxx
index b8ad82e01..d9f333393 100644
--- a/src/StateFile.cxx
+++ b/src/StateFile.cxx
@@ -148,14 +148,14 @@ try {
 }
 
 void
-StateFile::CheckModified()
+StateFile::CheckModified() noexcept
 {
 	if (!timer_event.IsActive() && IsModified())
 		timer_event.Schedule(config.interval);
 }
 
 void
-StateFile::OnTimeout()
+StateFile::OnTimeout() noexcept
 {
 	Write();
 }
diff --git a/src/StateFile.hxx b/src/StateFile.hxx
index 826bfefb7..b36008226 100644
--- a/src/StateFile.hxx
+++ b/src/StateFile.hxx
@@ -63,7 +63,7 @@ public:
 	/**
 	 * Schedules a write if MPD's state was modified.
 	 */
-	void CheckModified();
+	void CheckModified() noexcept;
 
 private:
 	void Write(OutputStream &os);
@@ -82,7 +82,7 @@ private:
 	bool IsModified() const noexcept;
 
 	/* callback for #timer_event */
-	void OnTimeout();
+	void OnTimeout() noexcept;
 };
 
 #endif /* STATE_FILE_H */