diff --git a/websocketpp/config/core.hpp b/websocketpp/config/core.hpp
index 69744a19db..e75102f3bd 100644
--- a/websocketpp/config/core.hpp
+++ b/websocketpp/config/core.hpp
@@ -91,6 +91,11 @@ struct core {
     /// RNG policies
     typedef websocketpp::random::none::int_generator<uint32_t> rng_type;
 
+    /// Controls compile time enabling/disabling of thread syncronization
+    /// code Disabling can provide a minor performance improvement to single
+    /// threaded applications
+    static bool const enable_multithreading = true;
+
     struct transport_config {
         typedef type::concurrency_type concurrency_type;
         typedef type::elog_type elog_type;
@@ -98,6 +103,11 @@ struct core {
         typedef type::request_type request_type;
         typedef type::response_type response_type;
 
+        /// Controls compile time enabling/disabling of thread syncronization
+        /// code Disabling can provide a minor performance improvement to single
+        /// threaded applications
+        static bool const enable_multithreading = true;
+
         /// Default timer values (in ms)
 
         /// Length of time to wait for socket pre-initialization
diff --git a/websocketpp/config/core_client.hpp b/websocketpp/config/core_client.hpp
index b7329756b8..4660952f87 100644
--- a/websocketpp/config/core_client.hpp
+++ b/websocketpp/config/core_client.hpp
@@ -92,6 +92,11 @@ struct core_client {
     typedef websocketpp::random::random_device::int_generator<uint32_t,
         concurrency_type> rng_type;
 
+    /// Controls compile time enabling/disabling of thread syncronization code
+    /// Disabling can provide a minor performance improvement to single threaded
+    /// applications
+    static bool const enable_multithreading = true;
+
     struct transport_config {
         typedef type::concurrency_type concurrency_type;
         typedef type::elog_type elog_type;
@@ -99,6 +104,11 @@ struct core_client {
         typedef type::request_type request_type;
         typedef type::response_type response_type;
 
+        /// Controls compile time enabling/disabling of thread syncronization
+        /// code Disabling can provide a minor performance improvement to single
+        /// threaded applications
+        static bool const enable_multithreading = true;
+
         /// Default timer values (in ms)
 
         /// Length of time to wait for socket pre-initialization
diff --git a/websocketpp/config/debug.hpp b/websocketpp/config/debug.hpp
index 0f2fc65c89..73b6e39efe 100644
--- a/websocketpp/config/debug.hpp
+++ b/websocketpp/config/debug.hpp
@@ -92,6 +92,11 @@ struct debug_core {
     /// RNG policies
     typedef websocketpp::random::none::int_generator<uint32_t> rng_type;
 
+    /// Controls compile time enabling/disabling of thread syncronization
+    /// code Disabling can provide a minor performance improvement to single
+    /// threaded applications
+    static bool const enable_multithreading = true;
+
     struct transport_config {
         typedef type::concurrency_type concurrency_type;
         typedef type::elog_type elog_type;
@@ -99,6 +104,11 @@ struct debug_core {
         typedef type::request_type request_type;
         typedef type::response_type response_type;
 
+        /// Controls compile time enabling/disabling of thread syncronization
+        /// code Disabling can provide a minor performance improvement to single
+        /// threaded applications
+        static bool const enable_multithreading = true;
+
         /// Default timer values (in ms)
 
         /// Length of time to wait for socket pre-initialization