3 files changed, 3 insertions, 3 deletions

diff --git a/include/libimobiledevice/installation_proxy.h b/include/libimobiledevice/installation_proxy.h
index f76ee68..67307e2 100644
--- a/include/libimobiledevice/installation_proxy.h
+++ b/include/libimobiledevice/installation_proxy.h
@@ -279,7 +279,7 @@ instproxy_error_t instproxy_remove_archive(instproxy_client_t client, const char
  *
  * @return A new plist_t of type PLIST_DICT.
  */
-plist_t instproxy_client_options_new();
+plist_t instproxy_client_options_new(void);
 
 /**
  * Add one or more new key:value pairs to the given client_options.
diff --git a/include/libimobiledevice/libimobiledevice.h b/include/libimobiledevice/libimobiledevice.h
index b7a20d8..8705fc8 100644
--- a/include/libimobiledevice/libimobiledevice.h
+++ b/include/libimobiledevice/libimobiledevice.h
@@ -95,7 +95,7 @@ idevice_error_t idevice_event_subscribe(idevice_event_cb_t callback, void *user_
  *
  * @return IDEVICE_E_SUCCESS on success or an error value when an error occured.
  */
-idevice_error_t idevice_event_unsubscribe();
+idevice_error_t idevice_event_unsubscribe(void);
 
 /* discovery (synchronous) */
 
diff --git a/include/libimobiledevice/mobilesync.h b/include/libimobiledevice/mobilesync.h
index 3c0d576..b01e431 100644
--- a/include/libimobiledevice/mobilesync.h
+++ b/include/libimobiledevice/mobilesync.h
@@ -321,7 +321,7 @@ void mobilesync_anchors_free(mobilesync_anchors_t anchors);
  *
  * @return A new plist_t of type PLIST_DICT.
  */
-plist_t mobilesync_actions_new();
+plist_t mobilesync_actions_new(void);
 
 /**
  * Add one or more new key:value pairs to the given actions plist.