diff --git a/src/libutil/signals.hh b/src/libutil/signals.hh
index 0473128db..8bff345c3 100644
--- a/src/libutil/signals.hh
+++ b/src/libutil/signals.hh
@@ -21,11 +21,6 @@ static inline void setInterrupted(bool isInterrupted);
  */
 static inline bool getInterrupted();
 
-/**
- * @note Does nothing on Windows
- */
-static inline void setInterruptCheck(std::function<bool()> interruptCheck);
-
 /**
  * @note Does nothing on Windows
  */