diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index 7debff32f..c46479649 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -244,7 +244,6 @@ if(ENABLE_DPDK)
 endif()
 if(APPLE)
     target_link_options(uhd PRIVATE "LINKER:-undefined,dynamic_lookup")
-    target_link_options(uhd PRIVATE "-flat_namespace")
 endif(APPLE)
 set_target_properties(uhd PROPERTIES DEFINE_SYMBOL "UHD_DLL_EXPORTS")
 if(NOT LIBUHDDEV_PKG)