diff --git a/pdal/util/private/BacktraceUnwind.cpp b/pdal/util/private/BacktraceUnwind.cpp
index 1fd0ac82da..05135007fe 100644
--- a/pdal/util/private/BacktraceUnwind.cpp
+++ b/pdal/util/private/BacktraceUnwind.cpp
@@ -34,10 +34,6 @@
 
 #include "BacktraceImpl.hpp"
 
-//ABELL
-#include <iostream>
-
-#include <stack>
 #include <string>
 
 #define UNW_LOCAL_ONLY