diff --git a/inference-engine/cmake/os_flags.cmake b/inference-engine/cmake/os_flags.cmake
index ad15859..d471246 100644
--- a/inference-engine/cmake/os_flags.cmake
+++ b/inference-engine/cmake/os_flags.cmake
@@ -47,7 +47,6 @@ if (WIN32)
         set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${DEBUG_SYMBOLS_LINKER_FLAGS}")
     endif()
 else()
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Werror=return-type ")
     if (APPLE)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unused-command-line-argument")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-function")