diff --git a/indra/cmake/LLKDU.cmake b/indra/cmake/LLKDU.cmake
index 8a86284421..428cc6a94b 100644
--- a/indra/cmake/LLKDU.cmake
+++ b/indra/cmake/LLKDU.cmake
@@ -43,5 +43,5 @@ if (USE_KDU)
           ${AUTOBUILD_INSTALL_DIR}/include/kdu
           ${LIBS_OPEN_DIR}/llkdu
           )
-  #target_compile_definitions(ll::kdu INTERFACE KDU_NO_THREADS=1) // <FS:Ansariel> Enable KDU internal threading
+  target_compile_definitions(ll::kdu INTERFACE KDU_NO_THREADS=1)
 endif (USE_KDU)