diff --git a/trace-foreign-calls/test/Test/TraceForeignCalls/UsePlugin.hs b/trace-foreign-calls/test/Test/TraceForeignCalls/UsePlugin.hs
index 0dfbab4..9d4ac04 100644
--- a/trace-foreign-calls/test/Test/TraceForeignCalls/UsePlugin.hs
+++ b/trace-foreign-calls/test/Test/TraceForeignCalls/UsePlugin.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CApiFFI #-}
 {-# OPTIONS_GHC -fplugin=Plugin.TraceForeignCalls
                 -fplugin-opt Plugin.TraceForeignCalls:dump-generated
 #-}
diff --git a/trace-foreign-calls/trace-foreign-calls.cabal b/trace-foreign-calls/trace-foreign-calls.cabal
index a5c6dd4..8d270a4 100644
--- a/trace-foreign-calls/trace-foreign-calls.cabal
+++ b/trace-foreign-calls/trace-foreign-calls.cabal
@@ -25,14 +25,9 @@ source-repository head
 
 common lang
   build-depends:
-      -- ghc 9.6
       base >= 4.18 && < 4.19
   default-language:
       GHC2021
-  default-extensions:
-      CApiFFI
-      DerivingStrategies
-      UndecidableInstances
   ghc-options:
       -Wall
       -Wredundant-constraints