diff --git a/apps/plugin.c b/apps/plugin.c
index 33a46a3d84..97ff7c8c43 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -790,22 +790,6 @@ static const struct plugin_api rockbox_api = {
     detect_flashed_romimage,
 #endif
     led,
-#if (CONFIG_CODEC == SWCODEC)
-    bufopen,
-    bufalloc,
-    bufclose,
-    bufseek,
-    bufadvance,
-    bufread,
-    bufgetdata,
-    bufgettail,
-    bufcuttail,
-
-    buf_handle_offset,
-    buf_set_base_handle,
-    buf_used,
-#endif
-
 #ifdef HAVE_TAGCACHE
     tagcache_search,
     tagcache_search_set_uniqbuf,
diff --git a/apps/plugin.h b/apps/plugin.h
index a8e7c2af64..868c2a68e3 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -160,12 +160,12 @@ void* plugin_get_buffer(size_t *buffer_size);
 #define PLUGIN_MAGIC 0x526F634B /* RocK */
 
 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 234
+#define PLUGIN_API_VERSION 235
 
 /* update this to latest version if a change to the api struct breaks
    backwards compatibility (and please take the opportunity to sort in any
    new function which are "waiting" at the end of the function table) */
-#define PLUGIN_MIN_API_VERSION 234
+#define PLUGIN_MIN_API_VERSION 235
 
 /* plugin return codes */
 /* internal returns start at 0x100 to make exit(1..255) work */
@@ -923,24 +923,6 @@ struct plugin_api {
 
     void (*led)(bool on);
 
-#if (CONFIG_CODEC == SWCODEC)
-    /* buffering API */
-    int (*bufopen)(const char *file, off_t offset, enum data_type type,
-                   void *user_data);
-    int (*bufalloc)(const void *src, size_t size, enum data_type type);
-    bool (*bufclose)(int handle_id);
-    int (*bufseek)(int handle_id, size_t newpos);
-    int (*bufadvance)(int handle_id, off_t offset);
-    ssize_t (*bufread)(int handle_id, size_t size, void *dest);
-    ssize_t (*bufgetdata)(int handle_id, size_t size, void **data);
-    ssize_t (*bufgettail)(int handle_id, size_t size, void **data);
-    ssize_t (*bufcuttail)(int handle_id, size_t size);
-
-    ssize_t (*buf_handle_offset)(int handle_id);
-    void (*buf_set_base_handle)(int handle_id);
-    size_t (*buf_used)(void);
-#endif
-
 #ifdef HAVE_TAGCACHE
     bool (*tagcache_search)(struct tagcache_search *tcs, int tag);
     void (*tagcache_search_set_uniqbuf)(struct tagcache_search *tcs,