diff --git a/build-constraints.yaml b/build-constraints.yaml
index aadc8901..f7377c2d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5440,12 +5440,10 @@ packages:
         - frisby < 0
         - shortcut-links < 0
         - HCodecs < 0
-        - mainland-pretty < 0
         - streamproc < 0
         - multipart < 0
         - structured-cli < 0
         - flexible-defaults < 0
-        - exception-transformers < 0
         - exceptional < 0
         - true-name < 0
         - probability < 0
@@ -5502,10 +5500,7 @@ packages:
         - cusparse < 0 # via cuda
         - nvvm < 0 # via cuda
         - data-msgpack < 0 # via data-msgpack-types
-        - exception-mtl < 0 # via exception-transformers
-        - language-c-quote < 0 # via exception-transformers
         - hsass < 0 # via hlibsass
-        - language-c-quote < 0 # via mainland-pretty
         - cgi < 0 # via multipart
         - pcf-font-embed < 0 # via pcf-font
         - vivid-supercollider < 0 # via vivid-osc