diff --git a/xpcom/io/nsIBaseStream.h b/xpcom/io/nsIBaseStream.h deleted file mode 100644 index e69de29bb2d..00000000000 diff --git a/xpcom/io/nsIInputStream.h b/xpcom/io/nsIInputStream.h deleted file mode 100644 index e69de29bb2d..00000000000 diff --git a/xpcom/io/nsIOutputStream.h b/xpcom/io/nsIOutputStream.h deleted file mode 100644 index e69de29bb2d..00000000000