diff --git a/bootstrap/cmake_modules/FindLEFDEF.cmake b/bootstrap/cmake_modules/FindLEFDEF.cmake
index a686c56e..adc924ed 100644
--- a/bootstrap/cmake_modules/FindLEFDEF.cmake
+++ b/bootstrap/cmake_modules/FindLEFDEF.cmake
@@ -97,12 +97,12 @@
    message( STATUS "LEFDEF_LIBRARY_DIR: ${LEFDEF_LIBRARY_DIR}" )
  
    if( LEFDEF_INCLUDE_DIR AND LEFDEF_LIBRARY_DIR )
-     _find_lefdef_lib(  "CDEF" "cdef"     )
-     _find_lefdef_lib( "ZCDEF" "cdefzlib" )
+    #_find_lefdef_lib(  "CDEF" "cdef"     )
+    #_find_lefdef_lib( "ZCDEF" "cdefzlib" )
      _find_lefdef_lib(   "DEF"  "def"     )
      _find_lefdef_lib(  "ZDEF"  "defzlib" )
-     _find_lefdef_lib(  "CLEF" "clef"     )
-     _find_lefdef_lib( "ZCLEF" "clefzlib" )
+    #_find_lefdef_lib(  "CLEF" "clef"     )
+    #_find_lefdef_lib( "ZCLEF" "clefzlib" )
      _find_lefdef_lib(   "LEF"  "lef"     )
      _find_lefdef_lib(  "ZLEF"  "lefzlib" )
    else()