diff --git a/pinos/modules/module-autolink.c b/pinos/modules/module-autolink.c
index 234f4c919..d57aed10a 100644
--- a/pinos/modules/module-autolink.c
+++ b/pinos/modules/module-autolink.c
@@ -47,7 +47,60 @@ typedef struct {
   PinosListener link_state_changed;
 } ModuleImpl;
 
-static void try_link_port (PinosNode *node, PinosPort *port, ModuleImpl *impl);
+static void
+try_link_port (PinosNode *node, PinosPort *port, ModuleImpl *impl)
+{
+  //PinosClient *client;
+  PinosProperties *props;
+  const char *path;
+  char *error = NULL;
+  PinosLink *link;
+
+  props = node->properties;
+  if (props == NULL)
+    return;
+
+  path = pinos_properties_get (props, "pinos.target.node");
+
+  pinos_log_debug ("module %p: try to find and link to node %s", impl, path);
+
+  if (path) {
+    PinosPort *target;
+
+    target = pinos_core_find_port (impl->core,
+                                   port,
+                                   atoi (path),
+                                   NULL,
+                                   NULL,
+                                   &error);
+    if (target == NULL)
+      goto error;
+
+    if (port->direction == PINOS_DIRECTION_OUTPUT)
+      link = pinos_port_link (port, target, NULL, NULL, &error);
+    else
+      link = pinos_port_link (target, port, NULL, NULL, &error);
+
+    if (link == NULL)
+      goto error;
+
+#if 0
+    client = pinos_node_get_client (node);
+    if (client)
+      pinos_client_add_object (client, &link->object);
+#endif
+
+    pinos_link_activate (link);
+  }
+  return;
+
+error:
+  {
+    pinos_node_report_error (node, error);
+    return;
+  }
+}
+
 
 static void
 on_link_port_unlinked (PinosListener *listener,
@@ -106,60 +159,6 @@ on_link_state_changed (PinosListener *listener,
   }
 }
 
-static void
-try_link_port (PinosNode *node, PinosPort *port, ModuleImpl *impl)
-{
-  //PinosClient *client;
-  PinosProperties *props;
-  const char *path;
-  char *error = NULL;
-  PinosLink *link;
-
-  props = node->properties;
-  if (props == NULL)
-    return;
-
-  path = pinos_properties_get (props, "pinos.target.node");
-
-  pinos_log_debug ("module %p: try to find and link to node %s", impl, path);
-
-  if (path) {
-    PinosPort *target;
-
-    target = pinos_core_find_port (impl->core,
-                                   port,
-                                   atoi (path),
-                                   NULL,
-                                   NULL,
-                                   &error);
-    if (target == NULL)
-      goto error;
-
-    if (port->direction == PINOS_DIRECTION_OUTPUT)
-      link = pinos_port_link (port, target, NULL, NULL, &error);
-    else
-      link = pinos_port_link (target, port, NULL, NULL, &error);
-
-    if (link == NULL)
-      goto error;
-
-#if 0
-    client = pinos_node_get_client (node);
-    if (client)
-      pinos_client_add_object (client, &link->object);
-#endif
-
-    pinos_link_activate (link);
-  }
-  return;
-
-error:
-  {
-    pinos_node_report_error (node, error);
-    return;
-  }
-}
-
 static void
 on_port_added (PinosListener *listener,
                PinosNode     *node,
@@ -256,7 +255,7 @@ on_global_removed (PinosListener *listener,
  *
  * Returns: a new #ModuleImpl
  */
-ModuleImpl *
+static ModuleImpl *
 module_new (PinosCore       *core,
             PinosProperties *properties)
 {
@@ -284,7 +283,8 @@ module_new (PinosCore       *core,
   return impl;
 }
 
-void
+#if 0
+static void
 module_destroy (ModuleImpl *impl)
 {
   pinos_log_debug ("module %p: destroy", impl);
@@ -300,10 +300,9 @@ module_destroy (ModuleImpl *impl)
   pinos_signal_remove (&impl->link_state_changed);
   free (impl);
 }
+#endif
 
-bool pinos__module_init (PinosModule *module, const char * args);
-
-G_MODULE_EXPORT bool
+bool
 pinos__module_init (PinosModule * module, const char * args)
 {
   module_new (module->core, NULL);
diff --git a/pinos/modules/module-protocol-dbus.c b/pinos/modules/module-protocol-dbus.c
index 3a525b152..9cbf6f69b 100644
--- a/pinos/modules/module-protocol-dbus.c
+++ b/pinos/modules/module-protocol-dbus.c
@@ -673,7 +673,7 @@ pinos_protocol_dbus_destroy (PinosProtocolDBus *proto)
 }
 #endif
 
-G_MODULE_EXPORT bool
+bool
 pinos__module_init (PinosModule * module, const char * args)
 {
   pinos_protocol_dbus_new (module->core, NULL);
diff --git a/pinos/modules/spa/module.c b/pinos/modules/spa/module.c
index fd7dc344c..740d11144 100644
--- a/pinos/modules/spa/module.c
+++ b/pinos/modules/spa/module.c
@@ -24,9 +24,7 @@
 #include "spa-monitor.h"
 #include "spa-node.h"
 
-bool pinos__module_init (PinosModule *module, const char * args);
-
-G_MODULE_EXPORT bool
+bool
 pinos__module_init (PinosModule * module, const char * args)
 {
   pinos_spa_monitor_load (module->core, "build/spa/plugins/alsa/libspa-alsa.so", "alsa-monitor", args);
diff --git a/pinos/server/client-node.c b/pinos/server/client-node.c
index 828d7e577..2b7b07d9c 100644
--- a/pinos/server/client-node.c
+++ b/pinos/server/client-node.c
@@ -1289,8 +1289,6 @@ pinos_client_node_new (PinosCore       *core,
   PinosClientNodeImpl *impl;
   PinosClientNode *this;
 
-  g_return_val_if_fail (core, NULL);
-
   impl = calloc (1, sizeof (PinosClientNodeImpl));
   impl->core = core;
   impl->ctrl_fd = -1;
diff --git a/pinos/server/meson.build b/pinos/server/meson.build
index 26646bbeb..15ea8c083 100644
--- a/pinos/server/meson.build
+++ b/pinos/server/meson.build
@@ -34,17 +34,17 @@ libpinoscore_c_args = [
 ]
 
 
-libpinoscore = shared_library('pinoscore', pinoscore_sources, gdbus_target,
+libpinoscore = shared_library('pinoscore', pinoscore_sources,
   version : libversion,
   soversion : soversion,
   c_args : libpinoscore_c_args,
   include_directories : [configinc, spa_inc],
   link_with : spalib,
   install : true,
-  dependencies : [gobject_dep, gmodule_dep, glib_dep, gio_dep, mathlib, dl_lib, pinos_dep],
+  dependencies : [mathlib, dl_lib, pinos_dep],
 )
 
 pinoscore_dep = declare_dependency(link_with : libpinoscore,
   include_directories : [configinc, spa_inc],
-  dependencies : [glib_dep, gobject_dep, gmodule_dep, pinos_dep],
+  dependencies : [pinos_dep],
 )
diff --git a/pinos/server/node.c b/pinos/server/node.c
index 8928b10fd..be99ef3de 100644
--- a/pinos/server/node.c
+++ b/pinos/server/node.c
@@ -61,8 +61,8 @@ update_port_ids (PinosNode *node, bool create)
                         &n_output_ports,
                         &max_output_ports);
 
-  input_port_ids = g_alloca (sizeof (uint32_t) * n_input_ports);
-  output_port_ids = g_alloca (sizeof (uint32_t) * n_output_ports);
+  input_port_ids = alloca (sizeof (uint32_t) * n_input_ports);
+  output_port_ids = alloca (sizeof (uint32_t) * n_output_ports);
 
   spa_node_get_port_ids (node->node,
                          max_input_ports,
@@ -600,8 +600,6 @@ pinos_node_get_free_port (PinosNode       *node,
   SpaList *ports;
   PinosPort *port = NULL, *p;
 
-  g_return_val_if_fail (node, NULL);
-
   if (direction == PINOS_DIRECTION_INPUT) {
     max_ports = node->transport->area->max_inputs;
     n_ports = node->transport->area->n_inputs;
@@ -674,8 +672,6 @@ pinos_node_set_state (PinosNode      *node,
 {
   SpaResult res = SPA_RESULT_OK;
 
-  g_return_val_if_fail (node, SPA_RESULT_INVALID_ARGUMENTS);
-
   remove_idle_timeout (node);
 
   pinos_log_debug ("node %p: set state %s", node, pinos_node_state_as_string (state));
@@ -786,8 +782,6 @@ pinos_node_report_idle (PinosNode *node)
 {
   PinosNodeImpl *impl = SPA_CONTAINER_OF (node, PinosNodeImpl, this);
 
-  g_return_if_fail (node);
-
   pinos_log_debug ("node %p: report idle", node);
   pinos_node_set_state (node, PINOS_NODE_STATE_IDLE);
 
@@ -806,8 +800,6 @@ pinos_node_report_idle (PinosNode *node)
 void
 pinos_node_report_busy (PinosNode *node)
 {
-  g_return_if_fail (node);
-
   pinos_log_debug ("node %p: report busy", node);
   pinos_node_set_state (node, PINOS_NODE_STATE_RUNNING);
 }