diff --git a/CMakeLists.txt b/CMakeLists.txt
index 601f81941f..5e676d47fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,11 +81,6 @@ if (NOT CMAKE_BUILD_TYPE)
     set (CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "" FORCE)
 endif()
 
-# We always want flat install with MSVC.
-if (MSVC)
-  set(WITH_FLAT_INSTALL ON)
-endif()
-
 if (WITH_JAVA AND NOT BUILD_SHARED_LIBS)
     message(FATAL_ERROR "
 FATAL: Cannot build static libs with Java enabled.