diff --git a/src/systemc/ext/tlm_core/2/sockets/base_socket_if.hh b/src/systemc/ext/tlm_core/2/sockets/base_socket_if.hh
index 29f3397..a494b68 100644
--- a/src/systemc/ext/tlm_core/2/sockets/base_socket_if.hh
+++ b/src/systemc/ext/tlm_core/2/sockets/base_socket_if.hh
@@ -21,6 +21,7 @@
 #define __SYSTEMC_EXT_TLM_CORE_2_SOCKETS_BASE_SOCKET_IF_H__
 
 #include <systemc>
+#include <typeindex>
 
 namespace tlm
 {
@@ -45,7 +46,7 @@
     virtual sc_core::sc_export_base &get_export_base() = 0;
     virtual sc_core::sc_export_base const &get_export_base() const = 0;
     virtual unsigned int get_bus_width() const = 0;
-    virtual sc_core::sc_type_index get_protocol_types() const = 0;
+    virtual std::type_index get_protocol_types() const = 0;
     virtual tlm_socket_category get_socket_category() const = 0;
 
   protected:
diff --git a/src/systemc/ext/tlm_core/2/sockets/initiator_socket.hh b/src/systemc/ext/tlm_core/2/sockets/initiator_socket.hh
index 91c147b..a7c53cc 100644
--- a/src/systemc/ext/tlm_core/2/sockets/initiator_socket.hh
+++ b/src/systemc/ext/tlm_core/2/sockets/initiator_socket.hh
@@ -20,6 +20,8 @@
 #ifndef __SYSTEMC_EXT_TLM_CORE_2_SOCKETS_INITIATOR_SOCKET_HH__
 #define __SYSTEMC_EXT_TLM_CORE_2_SOCKETS_INITIATOR_SOCKET_HH__
 
+#include <typeindex>
+
 #include "tlm_core/2/interfaces/fw_bw_ifs.hh"
 #include "tlm_core/2/sockets/base_socket_if.hh"
 
@@ -192,7 +194,7 @@
 
     virtual const char *kind() const { return "tlm_initiator_socket"; }
 
-    virtual sc_core::sc_type_index
+    virtual std::type_index
     get_protocol_types() const
     {
         return typeid(TYPES);
diff --git a/src/systemc/ext/tlm_core/2/sockets/target_socket.hh b/src/systemc/ext/tlm_core/2/sockets/target_socket.hh
index b412a7d..4ca31c9 100644
--- a/src/systemc/ext/tlm_core/2/sockets/target_socket.hh
+++ b/src/systemc/ext/tlm_core/2/sockets/target_socket.hh
@@ -20,6 +20,8 @@
 #ifndef __SYSTEMC_EXT_TLM_CORE_2_SOCKETS_TARGET_SOCKET_HH__
 #define __SYSTEMC_EXT_TLM_CORE_2_SOCKETS_TARGET_SOCKET_HH__
 
+#include <typeindex>
+
 #include "tlm_core/2/interfaces/fw_bw_ifs.hh"
 #include "tlm_core/2/sockets/base_socket_if.hh"
 
@@ -211,7 +213,7 @@
 
     virtual const char* kind() const { return "tlm_target_socket"; }
 
-    virtual sc_core::sc_type_index
+    virtual std::type_index
     get_protocol_types() const
     {
         return typeid(TYPES);
diff --git a/src/systemc/tlm_core/2/generic_payload/gp.cc b/src/systemc/tlm_core/2/generic_payload/gp.cc
index ff3c92b..b42bdb8 100644
--- a/src/systemc/tlm_core/2/generic_payload/gp.cc
+++ b/src/systemc/tlm_core/2/generic_payload/gp.cc
@@ -21,8 +21,7 @@
 #include <map>
 #include <systemc>
 #include <tlm>
-
-using sc_core::sc_type_index;
+#include <typeindex>
 
 namespace tlm
 {
@@ -39,7 +38,7 @@
 class tlm_extension_registry
 {
     typedef unsigned int key_type;
-    typedef std::map<sc_core::sc_type_index, key_type> type_map;
+    typedef std::map<std::type_index, key_type> type_map;
   public:
     static tlm_extension_registry &
     instance()
@@ -52,7 +51,7 @@
     }
 
     unsigned int
-    register_extension(sc_type_index type)
+    register_extension(std::type_index type)
     {
         type_map::const_iterator it = ids_.find(type);
 
diff --git a/src/systemc/tlm_core/2/generic_payload/phase.cc b/src/systemc/tlm_core/2/generic_payload/phase.cc
index 2c8b1e1..a3fb937 100644
--- a/src/systemc/tlm_core/2/generic_payload/phase.cc
+++ b/src/systemc/tlm_core/2/generic_payload/phase.cc
@@ -21,9 +21,9 @@
 #include <map>
 #include <systemc>
 #include <tlm>
+#include <typeindex>
 
 using sc_core::sc_string_view;
-using sc_core::sc_type_index;
 
 namespace tlm
 {
@@ -43,7 +43,7 @@
     }
 
     unsigned int
-    register_phase(sc_type_index type, sc_string_view name)
+    register_phase(std::type_index type, sc_string_view name)
     {
         type_map::const_iterator it = ids_.find(type);
 
@@ -77,7 +77,7 @@
     }
 
   private:
-    typedef std::map<sc_type_index, key_type> type_map;
+    typedef std::map<std::type_index, key_type> type_map;
     typedef std::vector<std::string> name_table;
 
     type_map ids_;
diff --git a/src/systemc/tlm_utils/instance_specific_extensions.cc b/src/systemc/tlm_utils/instance_specific_extensions.cc
index c0836cd..91610dd 100644
--- a/src/systemc/tlm_utils/instance_specific_extensions.cc
+++ b/src/systemc/tlm_utils/instance_specific_extensions.cc
@@ -23,6 +23,7 @@
 #include <map>
 #include <systemc>
 #include <tlm>
+#include <typeindex>
 
 namespace tlm
 {
@@ -40,7 +41,7 @@
 class ispex_registry // Copied from tlm_gp.cpp.
 {
     typedef unsigned int key_type;
-    typedef std::map<sc_core::sc_type_index, key_type> type_map;
+    typedef std::map<std::type_index, key_type> type_map;
 
   public:
     static ispex_registry &
@@ -54,7 +55,7 @@
     }
 
     unsigned int
-    register_extension(sc_core::sc_type_index type)
+    register_extension(std::type_index type)
     {
         type_map::const_iterator it = ids_.find(type);