diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index b30cdb023e2..fba3844bf8e 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -8,18 +8,11 @@ stdenv.mkDerivation {
     sha256 = "1zsqk352mx2zklf9bgpg9d88ckfdssbbbiyslhrycfckw8m3qpvr";
   };
 
-  # The compiler on Darwin crashes with an internal error while building the
-  # C++ interface. Disabling optimizations on that platform remedies the
-  # problem. In case we ever update the Darwin GCC version, the exception for
-  # that platform ought to be removed.
   configureFlags = ''
-    CPPFLAGS=-NDEBUG CFLAGS=-O3 CXXFLAGS=${if stdenv.isDarwin then "-O0" else "-O3"}
     ${if unicodeSupport then "--enable-unicode-properties" else ""}
     ${if !cplusplusSupport then "--disable-cpp" else ""}
   '';
 
-  doCheck = true;
-
   meta = {
     homepage = "http://www.pcre.org/";
     description = "A library for Perl Compatible Regular Expressions";