diff --git a/OpenEXR/IlmImf/CMakeLists.txt b/OpenEXR/IlmImf/CMakeLists.txt
index e1a8740..d31cf68 100644
--- a/OpenEXR/IlmImf/CMakeLists.txt
+++ b/OpenEXR/IlmImf/CMakeLists.txt
@@ -2,14 +2,6 @@
 
 SET(CMAKE_INCLUDE_CURRENT_DIR 1)
 
-IF (WIN32)
-  SET(RUNTIME_DIR ${OPENEXR_PACKAGE_PREFIX}/bin)
-  SET(WORKING_DIR ${RUNTIME_DIR})
-ELSE ()
-  SET(RUNTIME_DIR ${OPENEXR_PACKAGE_PREFIX}/lib)
-  SET(WORKING_DIR .)
-ENDIF ()
-
 SET(BUILD_B44EXPLOGTABLE OFF)
 IF (NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/b44ExpLogTable.h")
   SET(BUILD_B44EXPLOGTABLE ON)