diff --git a/test/all_planar_input_files_test.cpp b/test/all_planar_input_files_test.cpp
index ff9aabde..65793192 100644
--- a/test/all_planar_input_files_test.cpp
+++ b/test/all_planar_input_files_test.cpp
@@ -18,8 +18,6 @@ This test needs to be linked against Boost.Filesystem.
 
 */
 
-#define BOOST_FILESYSTEM_VERSION 3
-
 #include <iostream>
 #include <fstream>
 #include <vector>
diff --git a/test/parallel_edges_loops_test.cpp b/test/parallel_edges_loops_test.cpp
index 42cd77fc..a6ab1cbc 100644
--- a/test/parallel_edges_loops_test.cpp
+++ b/test/parallel_edges_loops_test.cpp
@@ -16,8 +16,6 @@ This test needs to be linked against Boost.Filesystem.
 
 */
 
-#define BOOST_FILESYSTEM_VERSION 3
-
 #include <iostream>
 #include <fstream>
 #include <vector>