diff --git a/share/app4triqsvars.sh.in b/share/app4triqsvars.sh.in
index a499f10b..2e2ce5b7 100644
--- a/share/app4triqsvars.sh.in
+++ b/share/app4triqsvars.sh.in
@@ -2,9 +2,7 @@
 
 export @PROJECT_NAME@_ROOT=@CMAKE_INSTALL_PREFIX@
 
-export CPLUS_INCLUDE_PATH=@CMAKE_INSTALL_PREFIX@/include:$CPLUS_INCLUDE_PATH
 export PATH=@CMAKE_INSTALL_PREFIX@/bin:$PATH
-export LIBRARY_PATH=@CMAKE_INSTALL_FULL_LIBDIR@:$LIBRARY_PATH
 export LD_LIBRARY_PATH=@CMAKE_INSTALL_FULL_LIBDIR@:$LD_LIBRARY_PATH
 export CMAKE_PREFIX_PATH=@CMAKE_INSTALL_PREFIX@:$CMAKE_PREFIX_PATH
 @EXPORT_PYTHON_PATH@