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-rw-r--r--include/VBox/vd-plugin.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/include/VBox/vd-plugin.h b/include/VBox/vd-plugin.h
index f940bee4f..dff5ac045 100644
--- a/include/VBox/vd-plugin.h
+++ b/include/VBox/vd-plugin.h
@@ -454,15 +454,6 @@ typedef struct VBOXHDDBACKEND
DECLR3CALLBACKMEMBER(int, pfnSetParentFilename, (void *pBackendData, const char *pszParentFilename));
/**
- * Return whether asynchronous I/O operations are supported for this image.
- *
- * @returns true if asynchronous I/O is supported
- * false otherwise.
- * @param pBackendData Opaque state data for this image.
- */
- DECLR3CALLBACKMEMBER(bool, pfnIsAsyncIOSupported, (void *pBackendData));
-
- /**
* Start an asynchronous read request.
*
* @returns VBox status code.