diff --git a/hadrian/src/Rules/SourceDist.hs b/hadrian/src/Rules/SourceDist.hs
index 4cb9baab5a1f6d5946afb7d5ec0554dd0f94518a..c98069f073d4e4c37142185684018dba6ebab8f3 100644
--- a/hadrian/src/Rules/SourceDist.hs
+++ b/hadrian/src/Rules/SourceDist.hs
@@ -8,7 +8,6 @@ import Packages
 import Utilities (askWithResources, build)
 import Hadrian.Target (target)
 import qualified System.Directory.Extra as IO
-import qualified Control.Exception.Base as IO
 import Oracles.ModuleFiles (determineBuilder)
 
 sourceDistRules :: Rules ()