diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a484ea6..6aafa14c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4969,8 +4969,6 @@ packages:
         - hquantlib-time < 0 # via time-1.9.3
         - hsdev < 0 # via time-1.9.3
         - hsexif < 0 # via time-1.9.3
-        - irc-client < 0 # via time-1.9.3
-        - irc-conduit < 0 # via time-1.9.3
         - libmpd < 0 # via time-1.9.3
         - pinboard < 0 # via time-1.9.3
         - postgresql-simple-migration < 0 # via time-1.9.3