diff --git a/adm/cmake/occt_defs_flags.cmake b/adm/cmake/occt_defs_flags.cmake
index 6dd762fb8f..a8d4b7192a 100644
--- a/adm/cmake/occt_defs_flags.cmake
+++ b/adm/cmake/occt_defs_flags.cmake
@@ -90,5 +90,11 @@ if (DEFINED CMAKE_COMPILER_IS_GNUCXX OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xC
   set (CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
 endif()
 
+# Optimize size of binaries
+if (NOT WIN32 AND NOT APPLE)
+  set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
+  set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
+endif()
+
 set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNo_Exception")
 set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNo_Exception")
\ No newline at end of file