diff --git a/search/Search.i b/search/Search.i
index 67d84876..550f1b00 100644
--- a/search/Search.i
+++ b/search/Search.i
@@ -340,7 +340,6 @@ is_ideal_clock(const Pin *pin)
 {
   Sta *sta = Sta::sta();
   const Mode *mode = sta->cmdMode();
-  sta->ensureClkNetwork();
   return sta->isIdealClock(pin, mode);
 }