diff --git a/yesod-bin/yesod-bin.cabal b/yesod-bin/yesod-bin.cabal
index 1560c8b7..67d6392f 100644
--- a/yesod-bin/yesod-bin.cabal
+++ b/yesod-bin/yesod-bin.cabal
@@ -23,8 +23,6 @@ executable             yesod
         cpp-options:     -DWINDOWS
     if os(openbsd)
         ld-options:      -Wl,-zwxneeded
-    if flag(debug)
-      cpp-options: -DDEBUG
 
     build-depends:     base               >= 4.3          && < 5
                      , parsec             >= 2.1          && < 4