diff --git a/otbIncludeDirectories.cmake b/otbIncludeDirectories.cmake
index f908ad78d6c29f38f6e470bd1d902baa017ab26b..c434d13c3587f2eda8acf18a204c072e3fcd8cdb 100644
--- a/otbIncludeDirectories.cmake
+++ b/otbIncludeDirectories.cmake
@@ -37,16 +37,6 @@ IF(NOT OTB_USE_EXTERNAL_ITK)
 ENDIF(NOT OTB_USE_EXTERNAL_ITK)
 
 
-#-----------------------------------------------------------------------------
-# Include directories from the CAI build tree.
-INCLUDE(${OTB_SOURCE_DIR}/Utilities/CAI/caiIncludeDirectories.cmake)
-SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_INCLUDE_DIRS_BUILD_TREE}
-  ${CAI_INCLUDE_DIRS_BUILD_TREE}
-  )
-
-
-
-
 #-----------------------------------------------------------------------------
 # Include directories needed for .cxx files in OTB.  These include
 # directories will NOT be available to user projects.