diff --git a/build-constraints.yaml b/build-constraints.yaml
index 79e853ef..88fe3b3a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1870,13 +1870,13 @@ packages:
         - cassette < 0 # build failure with GHC 8.4
         - choice
         - distributed-closure
-        - inline-java < 0 # GHC 8.4 via ghc-8.4.1
+        - inline-java
         - inline-r < 0 # GHC 8.4 via inline-c
-        # - jni # GHC 8.4 via inline-c
-        # - jvm # GHC 8.4 via inline-c
-        - jvm-streaming < 0 # GHC 8.4 via inline-java
+        - jni
+        - jvm
+        - jvm-streaming
         - H < 0 # GHC 8.4 via inline-r
-        - sparkle < 0 # GHC 8.4 via inline-java
+        - sparkle
         - th-lift
 
     "Christopher Reichert <creichert07@gmail.com> @creichert":
@@ -2318,7 +2318,7 @@ packages:
         - distributed-process-tests < 0 # GHC 8.4 via distributed-process
         - distributed-static
         - inline-c
-        - jvm-batching < 0 # GHC 8.4 via inline-java
+        - jvm-batching
         - network-transport
         - network-transport-tests
         - network-transport-tcp < 0 # BuildFailureException Process exited with ExitFailure 1: dist/build/TestTCP/TestTCP