diff --git a/connectivity/drivers/cellular/TELIT/ME310/TELIT_ME310_CellularStack.cpp b/connectivity/drivers/cellular/TELIT/ME310/TELIT_ME310_CellularStack.cpp
index 5df860543f..12d3f7e370 100644
--- a/connectivity/drivers/cellular/TELIT/ME310/TELIT_ME310_CellularStack.cpp
+++ b/connectivity/drivers/cellular/TELIT/ME310/TELIT_ME310_CellularStack.cpp
@@ -27,9 +27,7 @@ using namespace mbed;
 using namespace std::chrono_literals;
 
 
-namespace mbed {
 constexpr auto socket_timeout = 1s;
-}
 
 TELIT_ME310_CellularStack::TELIT_ME310_CellularStack(ATHandler &atHandler, int cid, nsapi_ip_stack_t stack_type, AT_CellularDevice &device) :
     AT_CellularStack(atHandler, cid, stack_type, device)