diff --git a/SConstruct b/SConstruct
index 0c1d94cdd..83d17ce55 100644
--- a/SConstruct
+++ b/SConstruct
@@ -21,7 +21,6 @@ core.add_sources([
     'debug.cc',
     'assert.cc',
     'ptr.cc',
-    'debug.cc',
     'test.cc'
     ])
 env = Environment()