diff --git a/build-constraints.yaml b/build-constraints.yaml
index f8adae4f..c2219d69 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4696,7 +4696,6 @@ packages:
         - pure-zlib < 0 # via base-compat-0.11.0
         - raaz < 0 # via base-4.13.0.0
         - radius < 0 # via iproute
-        - rainbox < 0 # via lens-simple
         - random-source < 0 # via flexible-defaults
         - rasterific-svg < 0 # via Rasterific
         - ref-fd < 0 # bounds failure