diff --git a/src/Quasar/ResourceManager.hs b/src/Quasar/ResourceManager.hs
index 1f879c70c461f8a13c96faa4d634b799c1684641..6a04c4cc083b7d6b64c963289d1bb344b812d54f 100644
--- a/src/Quasar/ResourceManager.hs
+++ b/src/Quasar/ResourceManager.hs
@@ -22,7 +22,6 @@ module Quasar.ResourceManager (
   runInResourceManagerSTM,
   enterResourceManager,
   enterResourceManagerSTM,
-  lockResourceManager,
   newUniqueRM,
 
   -- ** Top level initialization