diff --git a/dlls/ole32/stg_bigblockfile.c b/dlls/ole32/stg_bigblockfile.c
index 2c89a3d5ea3..b0e54e5ef52 100644
--- a/dlls/ole32/stg_bigblockfile.c
+++ b/dlls/ole32/stg_bigblockfile.c
@@ -411,17 +411,6 @@ void BIGBLOCKFILE_SetSize(LPBIGBLOCKFILE This, ULARGE_INTEGER newSize)
   BIGBLOCKFILE_RemapAllMappedPages(This);
 }
 
-/******************************************************************************
- *      BIGBLOCKFILE_GetSize
- *
- * Returns the size of the file.
- *
- */
-ULARGE_INTEGER BIGBLOCKFILE_GetSize(LPBIGBLOCKFILE This)
-{
-  return This->filesize;
-}
-
 /******************************************************************************
  *      BIGBLOCKFILE_FindPageInList      [PRIVATE]
  *