diff --git a/libs/temporal/temporal/timeline.h b/libs/temporal/temporal/timeline.h
index 64d39f3bee..1e0982d1c4 100644
--- a/libs/temporal/temporal/timeline.h
+++ b/libs/temporal/temporal/timeline.h
@@ -185,8 +185,10 @@ class LIBTEMPORAL_API timepos_t : public int62_t  {
 
 	timepos_t & operator+=(Temporal::BBT_Offset const &);
 
+#if 0 // not implemented, not used
 	timepos_t   operator% (timecnt_t const &) const;
 	timepos_t & operator%=(timecnt_t const &);
+#endif
 
 	/* Although multiplication and division of positions seems unusual,
 	 * these are used in Evoral::Curve when scaling a list of timed events