diff --git i/include/ppqsort/parameters.h w/include/ppqsort/parameters.h
index 115c3a1..3f4b669 100644
--- i/include/ppqsort/parameters.h
+++ w/include/ppqsort/parameters.h
@@ -3,7 +3,8 @@
 #include <bit>
 #include <execution>
 
-#ifndef NDEBUG
+//#ifndef NDEBUG
+#if 0
     #include <bitset>
     #include <iostream>
     #include <syncstream>
