diff --git a/OSBindings/SDL/SConstruct b/OSBindings/SDL/SConstruct
index 3c46930cd..b4cb26add 100644
--- a/OSBindings/SDL/SConstruct
+++ b/OSBindings/SDL/SConstruct
@@ -58,8 +58,6 @@ SOURCES += glob.glob('../../Components/OPx/*.cpp')
 SOURCES += glob.glob('../../Components/SN76489/*.cpp')
 SOURCES += glob.glob('../../Components/Serial/*.cpp')
 
-SOURCES += glob.glob('../../Concurrency/*.cpp')
-
 SOURCES += glob.glob('../../Configurable/*.cpp')
 
 SOURCES += glob.glob('../../Inputs/*.cpp')