diff --git a/misc.h b/misc.h
index 5ef9d1c77..e8595255c 100644
--- a/misc.h
+++ b/misc.h
@@ -2,12 +2,6 @@
 
 typedef struct _dc_strbuilder dc_strbuilder_t;
 
-
-char*   dc_mprintf                 (const char* format, ...); /* The result must be free()'d. */
-char* dc_strdup(const char* s);
-
-
-
 struct _dc_strbuilder
 {
 	char* buf;
@@ -17,7 +11,5 @@ struct _dc_strbuilder
 };
 
 
-//void  dc_strbuilder_init    (dc_strbuilder_t*, int init_bytes);
-char* dc_strbuilder_cat     (dc_strbuilder_t*, const char* text);
+char* dc_mprintf                 (const char* format, ...); /* The result must be free()'d. */
 void  dc_strbuilder_catf    (dc_strbuilder_t*, const char* format, ...);
-//void  dc_strbuilder_empty   (dc_strbuilder_t*);