diff --git a/src/ldm.c b/src/ldm.c
index 47f393f..baa66bf 100644
--- a/src/ldm.c
+++ b/src/ldm.c
@@ -2354,7 +2354,7 @@ error:
 }
 
 LDM *
-ldm_new()
+ldm_new(void)
 {
     LDM *ldm = LDM_CAST(g_object_new(LDM_TYPE, NULL));
     ldm->priv->disk_groups = g_array_sized_new(FALSE, FALSE,
diff --git a/src/ldm.h b/src/ldm.h
index 87fff7b..62e1fee 100644
--- a/src/ldm.h
+++ b/src/ldm.h
@@ -256,7 +256,7 @@ GType ldm_disk_group_get_type(void);
  *
  * Returns: (transfer full): a new #LDM object
  */
-LDM *ldm_new();
+LDM *ldm_new(void);
 
 /**
  * ldm_add:
diff --git a/src/ldmtool.c b/src/ldmtool.c
index 7ccd072..eaf3bf6 100644
--- a/src/ldmtool.c
+++ b/src/ldmtool.c
@@ -856,7 +856,7 @@ main(int argc, char *argv[])
     g_type_init();
 #endif
 
-    LDM * const ldm = ldm_new(&err);
+    LDM * const ldm = ldm_new();
 
     int ret = 0;