diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 8efbc8d1dcb..553677c6f53 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -213,7 +213,6 @@ jobs:
         - set-algebra
         - small-steps
         - vector-map
-        - ImpSpec
         ghc: ["8.10.7", "9.2.8", "9.6.6", "9.8.2", "9.10.1"]
         os: [ubuntu-latest]
       fail-fast: false
diff --git a/hie.yaml b/hie.yaml
index 08034031a9f..6d9fd7d996c 100644
--- a/hie.yaml
+++ b/hie.yaml
@@ -174,12 +174,6 @@ cradle:
     - path: "eras/shelley-ma/test-suite/test"
       component: "cardano-ledger-shelley-ma-test:test:cardano-ledger-shelley-ma-test"
 
-    - path: "libs/ImpSpec/src"
-      component: "lib:ImpSpec"
-
-    - path: "libs/ImpSpec/test"
-      component: "ImpSpec:test:tests"
-
     - path: "libs/cardano-data/src"
       component: "lib:cardano-data"