diff --git a/pkgs/servers/http/apache-httpd/2.4.nix b/pkgs/servers/http/apache-httpd/2.4.nix
index c6d0b3ad73b0..2bbe9798de46 100644
--- a/pkgs/servers/http/apache-httpd/2.4.nix
+++ b/pkgs/servers/http/apache-httpd/2.4.nix
@@ -36,7 +36,6 @@ stdenv.mkDerivation rec {
     --with-pcre=${pcre}
     --disable-maintainer-mode
     --disable-debugger-mode
-    --enable-mpm=event
     --enable-mods-shared=all
     --enable-mpms-shared=all
     --enable-cern-meta