diff --git a/CMakeLists.txt b/CMakeLists.txt
index 991fa9d1..0f935ca3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,15 +20,9 @@ endif()
 
 set(CMAKE_CORE_BUILD_FLAGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DBUILD_SHARED_LIBS:BOOL=ON -DCMAKE_INSTALL_DO_STRIP=${CMAKE_INSTALL_DO_STRIP})
 
-set(OIIO_CMAKE_FLAGS 
-  -DOPENIMAGEIO_LIBRARY_DIR_HINTS=${ALICEVISION_ROOT}/lib64
-  -DOPENIMAGEIO_INCLUDE_DIR_HINTS=${ALICEVISION_ROOT}/include
-  -DILMBASE_INCLUDE_PATH=${ALICEVISION_ROOT}/include
-  -DOPENEXR_INCLUDE_PATH=${ALICEVISION_ROOT}/include
-)
 set(ALEMBIC_CMAKE_FLAGS
-  -DAlembic_DIR:PATH=${ALICEVISION_ROOT}/lib64/cmake/Alembic
-  -DILMBASE_ROOT=${ALICEVISION_ROOT}
+  -DAlembic_DIR:PATH=${ALICEVISION_ROOT}/lib/cmake/Alembic
+  -DImath_DIR=${ALICEVISION_ROOT}/lib/cmake/Imath
 )