diff --git a/configure.ac b/configure.ac
index 6f76e83..39a5497 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,7 +127,6 @@ src/cthulhu/scripts/toolkits/gtk/Makefile
 src/cthulhu/plugins/Makefile
 src/cthulhu/plugins/ByeCthulhu/Makefile
 src/cthulhu/plugins/HelloCthulhu/Makefile
-src/cthulhu/plugins/PluginManager/Makefile
 src/cthulhu/plugins/Clipboard/Makefile
 src/cthulhu/plugins/DisplayVersion/Makefile
 src/cthulhu/plugins/hello_world/Makefile