diff --git a/build-constraints.yaml b/build-constraints.yaml
index ab901fc4..1c05a284 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3739,7 +3739,6 @@ packages:
         - haskell-tools-prettyprint < 0 # GHC 8.4 via ghc-8.4.1
         - haskell-tools-rewrite < 0 # GHC 8.4 via ghc-8.4.1
         - inline-java < 0 # GHC 8.4 via ghc-8.4.1
-        - ihaskell < 0 # GHC 8.4 via ghc-boot-8.4.1
         - Agda < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - aeson-extra < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - bindings-GLFW < 0 # GHC 8.4 via template-haskell-2.13.0.0
@@ -3916,7 +3915,6 @@ packages:
         - eventsource-store-specs < 0 # GHC 8.4 via uuid
         - gdax < 0 # GHC 8.4 via uuid
         - hworker < 0 # GHC 8.4 via uuid
-        - ipython-kernel < 0 # GHC 8.4 via uuid
         - network-anonymous-i2p < 0 # GHC 8.4 via uuid
         - postgresql-binary < 0 # GHC 8.4 via uuid
         - postgresql-typed < 0 # GHC 8.4 via uuid