diff --git a/packages.config b/packages.config
index 29ada90ef8..0a650254ec 100644
--- a/packages.config
+++ b/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="CommonIO" version="1.0.0.9" targetFramework="net45" />
   <package id="Patterns.Logging" version="1.0.0.2" targetFramework="net45" />
   <package id="WebMarkupMin.Core" version="2.1.0" targetFramework="net45" requireReinstallation="true" />
 </packages>
\ No newline at end of file