diff --git a/src/ld-document.h b/src/ld-document.h
index 471b3ce..32eb0c4 100644
--- a/src/ld-document.h
+++ b/src/ld-document.h
@@ -39,12 +39,11 @@ struct _LdDocument
 {
 /*< private >*/
 	GObject parent_instance;
-
-/*< public >*/
 };
 
 struct _LdDocumentClass
 {
+/*< private >*/
 	GObjectClass parent_class;
 };
 
diff --git a/src/ld-library.h b/src/ld-library.h
index d988230..26521ed 100644
--- a/src/ld-library.h
+++ b/src/ld-library.h
@@ -31,12 +31,6 @@ typedef struct _LdLibraryPrivate LdLibraryPrivate;
 typedef struct _LdLibraryClass LdLibraryClass;
 
 
-/**
- * LdLibrary:
- * @categories: Lists all the categories (#LdSymbolCategory).
- *
- * Object structure.
- */
 struct _LdLibrary
 {
 /*< private >*/
diff --git a/src/ld-lua.h b/src/ld-lua.h
index c7f45d0..ea00863 100644
--- a/src/ld-lua.h
+++ b/src/ld-lua.h
@@ -36,14 +36,12 @@ struct _LdLua
 /*< private >*/
 	GObject parent_instance;
 	LdLuaPrivate *priv;
-
-/*< public >*/
-	gchar *name;
 };
 
 /* TODO: A virtual superclass, so other engines can be used. */
 struct _LdLuaClass
 {
+/*< private >*/
 	GObjectClass parent_class;
 };
 
diff --git a/src/ld-symbol-category.c b/src/ld-symbol-category.c
index 0eb0dac..784c8d3 100644
--- a/src/ld-symbol-category.c
+++ b/src/ld-symbol-category.c
@@ -161,7 +161,7 @@ ld_symbol_category_finalize (GObject *gobject)
 
 /**
  * ld_symbol_category_new:
- * @parent: The parent library for this category.
+ * @name: The name of this category.
  *
  * Create an instance.
  */
diff --git a/src/ld-symbol.h b/src/ld-symbol.h
index b0ef883..9eff89b 100644
--- a/src/ld-symbol.h
+++ b/src/ld-symbol.h
@@ -58,10 +58,6 @@ typedef struct _LdSymbolPrivate LdSymbolPrivate;
 typedef struct _LdSymbolClass LdSymbolClass;
 
 
-/**
- * LdSymbol:
- * @name: The name of this symbol.
- */
 struct _LdSymbol
 {
 /*< private >*/
diff --git a/src/ld-window-main.h b/src/ld-window-main.h
index 0e572ee..df65a9b 100644
--- a/src/ld-window-main.h
+++ b/src/ld-window-main.h
@@ -45,6 +45,7 @@ struct _LdWindowMain
 
 struct _LdWindowMainClass
 {
+/*< private >*/
 	GtkWindowClass parent_class;
 };