diff --git a/octomap/src/math/CMakeLists.txt b/octomap/src/math/CMakeLists.txt
index 22127adb..6bfa066d 100644
--- a/octomap/src/math/CMakeLists.txt
+++ b/octomap/src/math/CMakeLists.txt
@@ -10,9 +10,7 @@ ADD_LIBRARY( octomath SHARED ${octomath_SRCS})
 SET_TARGET_PROPERTIES( octomath PROPERTIES
   VERSION ${OCTOMAP_VERSION}
   SOVERSION ${OCTOMAP_SOVERSION}
-  INSTALL_NAME_DIR ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}   # this seems to be necessary for MacOS X
 )
-# INSTALL_NAME_DIR seems to be necessary for MacOS X
 
 ADD_LIBRARY( octomath-static STATIC ${octomath_SRCS})
 SET_TARGET_PROPERTIES(octomath-static PROPERTIES OUTPUT_NAME "octomath")