diff --git a/build-constraints.yaml b/build-constraints.yaml
index b3fae618..ea3b4d0b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1910,12 +1910,10 @@ packages:
         - protocol-buffers
         - protocol-buffers-descriptor
         - regex-pcre
-        - servant-generic
         - streaming
         - streaming-bytestring
         - string-class
         - string-combinators
-        - ua-parser
         - xlsx
 
     "Rob O'Callahan ropoctl@gmail.com @rcallahan":