diff --git a/build-constraints.yaml b/build-constraints.yaml
index 36c23723..27d8cfcd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4039,31 +4039,6 @@ packages:
         - herms < 0 # GHC 8.4 via vty
         - hledger-iadd < 0 # GHC 8.4 via vty
         - yi-frontend-vty < 0 # GHC 8.4 via vty
-        - IPv6DB < 0 # GHC 8.4 via wai
-        - MFlow < 0 # GHC 8.4 via wai
-        - Spock < 0 # GHC 8.4 via wai
-        - bimap-server < 0 # GHC 8.4 via wai
-        - configuration-tools < 0 # GHC 8.4 via wai
-        - filter-logger < 0 # GHC 8.4 via wai
-        - hledger-web < 0 # GHC 8.4 via wai
-        - hoogle < 0 # GHC 8.4 via wai
-        - hspec-wai < 0 # GHC 8.4 via wai
-        - line < 0 # GHC 8.4 via wai
-        - serversession-frontend-wai < 0 # GHC 8.4 via wai
-        - wai-cli < 0 # GHC 8.4 via wai
-        - wai-cors < 0 # GHC 8.4 via wai
-        - wai-middleware-rollbar < 0 # GHC 8.4 via wai
-        - wai-middleware-static < 0 # GHC 8.4 via wai
-        - wai-slack-middleware < 0 # GHC 8.4 via wai
-        - wai-transformers < 0 # GHC 8.4 via wai
-        - warp-tls < 0 # GHC 8.4 via wai
-        - web-routes-wai < 0 # GHC 8.4 via wai
-        - yesod < 0 # GHC 8.4 via wai
-        - yesod-auth-fb < 0 # GHC 8.4 via wai
-        - yesod-csp < 0 # GHC 8.4 via wai
-        - yesod-fb < 0 # GHC 8.4 via wai
-        - yesod-gitrepo < 0 # GHC 8.4 via wai
-        - yesod-websockets < 0 # GHC 8.4 via wai
         - webdriver-angular < 0 # GHC 8.4 via wai-app-static
         - MFlow < 0 # GHC 8.4 via wai-extra
         - Spock < 0 # GHC 8.4 via wai-extra