diff --git a/agent/gpg-agent.c b/agent/gpg-agent.c
index 624d2972c..afd864295 100644
--- a/agent/gpg-agent.c
+++ b/agent/gpg-agent.c
@@ -520,9 +520,6 @@ static void handle_connections (gnupg_fd_t listen_fd,
 static void check_own_socket (void);
 static int check_for_running_agent (int silent);
 
-/* Pth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 
 /*
    Functions.
@@ -1053,7 +1050,6 @@ static void
 initialize_modules (void)
 {
   thread_init_once ();
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   initialize_module_cache ();
   initialize_module_call_pinentry ();
   initialize_module_daemon ();
@@ -1113,7 +1109,6 @@ main (int argc, char **argv)
   assuan_set_malloc_hooks (&malloc_hooks);
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
   assuan_sock_init ();
-  assuan_sock_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   setup_libassuan_logging (&opt.debug, NULL);
 
   setup_libgcrypt_logging ();
diff --git a/dirmngr/dirmngr.c b/dirmngr/dirmngr.c
index 967281ede..4619b0d7e 100644
--- a/dirmngr/dirmngr.c
+++ b/dirmngr/dirmngr.c
@@ -453,9 +453,6 @@ static void handle_connections (assuan_fd_t listen_fd);
 static void gpgconf_versions (void);
 
 
-/* NPth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 static const char *
 my_strusage( int level )
 {
@@ -983,7 +980,6 @@ static void
 thread_init (void)
 {
   npth_init ();
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   gpgrt_set_syscall_clamp (npth_unprotect, npth_protect);
 
   /* Now with NPth running we can set the logging callback.  Our
diff --git a/g10/gpg.c b/g10/gpg.c
index 23bf8d971..23c1453dd 100644
--- a/g10/gpg.c
+++ b/g10/gpg.c
@@ -1078,10 +1078,6 @@ static void read_sessionkey_from_fd (int fd);
 
 
 
-/* NPth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
-
 static char *
 make_libversion (const char *libname, const char *(*getfnc)(const char*))
 {
@@ -3863,7 +3859,6 @@ main (int argc, char **argv)
 
     /* Init threading which is used by some helper functions.  */
     npth_init ();
-    assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
     gpgrt_set_syscall_clamp (npth_unprotect, npth_protect);
 
     if (logfile)
diff --git a/g13/g13-syshelp.c b/g13/g13-syshelp.c
index 6a4d3a446..6d0d1a659 100644
--- a/g13/g13-syshelp.c
+++ b/g13/g13-syshelp.c
@@ -306,7 +306,6 @@ main (int argc, char **argv)
 
   /* Prepare libassuan.  */
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
-  /*assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);*/
   setup_libassuan_logging (&opt.debug, NULL);
 
   /* Setup a default control structure for command line mode.  */
diff --git a/g13/g13.c b/g13/g13.c
index 785c91950..d9594dd52 100644
--- a/g13/g13.c
+++ b/g13/g13.c
@@ -226,10 +226,6 @@ static void set_cmd (enum cmd_and_opt_values *ret_cmd,
 static void start_idle_task (void);
 static void join_idle_task (void);
 
-
-/* Begin NPth wrapper functions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 
 static const char *
 my_strusage( int level )
@@ -377,6 +373,7 @@ main (int argc, char **argv)
   init_common_subsystems (&argc, &argv);
 
   npth_init ();
+  gpgrt_set_syscall_clamp (npth_unprotect, npth_protect);
 
   /* Take extra care of the random pool.  */
   gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
@@ -435,7 +432,6 @@ main (int argc, char **argv)
 
   /* Prepare libassuan.  */
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   setup_libassuan_logging (&opt.debug, NULL);
 
   /* Setup a default control structure for command line mode.  */
diff --git a/kbx/keyboxd.c b/kbx/keyboxd.c
index c33d85518..c55b2a0d9 100644
--- a/kbx/keyboxd.c
+++ b/kbx/keyboxd.c
@@ -257,10 +257,6 @@ static void kbxd_deinit_default_ctrl (ctrl_t ctrl);
 static void handle_connections (gnupg_fd_t listen_fd);
 static void check_own_socket (void);
 static int check_for_running_kbxd (int silent);
-
-/* Pth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 
 /*
  * Functions.
@@ -447,7 +443,6 @@ static void
 initialize_modules (void)
 {
   thread_init_once ();
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
 }
 
 
@@ -497,7 +492,6 @@ main (int argc, char **argv )
   assuan_set_malloc_hooks (&malloc_hooks);
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
   assuan_sock_init ();
-  assuan_sock_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   setup_libassuan_logging (&opt.debug, kbxd_assuan_log_monitor);
 
   setup_libgcrypt_logging ();
diff --git a/scd/scdaemon.c b/scd/scdaemon.c
index 71e37d28c..54c5760ba 100644
--- a/scd/scdaemon.c
+++ b/scd/scdaemon.c
@@ -272,9 +272,6 @@ static gnupg_fd_t create_server_socket (const char *name,
 static void *start_connection_thread (void *arg);
 static void handle_connections (gnupg_fd_t listen_fd);
 
-/* Pth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 static int active_connections;
 
 
@@ -480,7 +477,6 @@ main (int argc, char **argv )
   malloc_hooks.free = gcry_free;
   assuan_set_malloc_hooks (&malloc_hooks);
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   assuan_sock_init ();
   setup_libassuan_logging (&opt.debug, NULL);
 
diff --git a/sm/gpgsm.c b/sm/gpgsm.c
index 0b69e6d62..c0e929d7d 100644
--- a/sm/gpgsm.c
+++ b/sm/gpgsm.c
@@ -597,10 +597,6 @@ our_md_test_algo (int algo)
 }
 
 
-/* nPth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
-
 static char *
 make_libversion (const char *libname, const char *(*getfnc)(const char*))
 {
@@ -1589,7 +1585,6 @@ main ( int argc, char **argv)
     log_info (_("WARNING: program may create a core file!\n"));
 
   npth_init ();
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   gpgrt_set_syscall_clamp (npth_unprotect, npth_protect);
 
 /*   if (opt.qualsig_approval && !opt.quiet) */
diff --git a/tpm2d/tpm2daemon.c b/tpm2d/tpm2daemon.c
index 9218d9a10..13e20b9ef 100644
--- a/tpm2d/tpm2daemon.c
+++ b/tpm2d/tpm2daemon.c
@@ -192,9 +192,6 @@ static gnupg_fd_t create_server_socket (const char *name,
 static void *start_connection_thread (void *arg);
 static void handle_connections (gnupg_fd_t listen_fd);
 
-/* Pth wrapper function definitions. */
-ASSUAN_SYSTEM_NPTH_IMPL;
-
 static int active_connections;
 
 
@@ -368,7 +365,6 @@ main (int argc, char **argv )
   malloc_hooks.free = gcry_free;
   assuan_set_malloc_hooks (&malloc_hooks);
   assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
-  assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);
   assuan_sock_init ();
   setup_libassuan_logging (&opt.debug, NULL);