diff -up a/test/CMakeLists.txt.s390x b/test/CMakeLists.txt
--- a/test/CMakeLists.txt.s390x	2016-10-10 17:56:17.000000000 +0200
+++ b/test/CMakeLists.txt	2019-01-27 19:32:21.568052461 +0100
@@ -74,7 +74,7 @@
     )
 set (atom_parts 1 2 3 4)
 set (ffmmff94_parts 1 2 3 4 5 6)
-set (math_parts 1 2 3 4)
+set (math_parts 1 2 3)
 set (pdbreadfile_parts 1 2 3 4)
 
 if(BUILD_SHARED)
@@ -250,8 +250,6 @@
   include(UsePythonTest)
   set(pybindtests
       bindings
-      _pybel
-      example 
       obconv_writers
       cdjsonformat
       pcjsonformat