Index: b/citeproc.cabal
===================================================================
--- a/citeproc.cabal
+++ b/citeproc.cabal
@@ -157,7 +157,6 @@ test-suite spec
   ghc-options:         -Wall
                        -threaded
                        -rtsopts
-                       -with-rtsopts=-N
                        -Wincomplete-record-updates
                        -Wcompat
                        -Widentities
