diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5b2365e6..9ae8d1dc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2232,16 +2232,6 @@ packages:
         - NineP
         - Network-NineP < 0
 
-    "Oliver Charles <ollie@ocharles.org.uk> @ocharles":
-        - diff3 < 0 # build failure with GHC 8.4
-        - exhaustive < 0 # GHC 8.4 via base-4.11.0.0
-        - libsystemd-journal < 0 # GHC 8.4 via base-4.11.0.0
-        - network-carbon < 0 # GHC 8.4 via base-4.11.0.0
-        - logging-effect
-        - dhall-to-cabal < 0
-        - weeder
-        # - reactive-banana # pqueue-1.4.1
-
     "Antoni Silvestre <antoni.silvestre@gmail.com> @asilvestre":
         # Test suite needs a running neo4j server with auth disabled
         # unfortunately the cabal package name and the github repo don't have the exact same name