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diff --git a/src/opus-1.1/celt/vq.h b/src/opus-1.1/celt/vq.h
deleted file mode 100644
index ffdc69cd..00000000
--- a/src/opus-1.1/celt/vq.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* Copyright (c) 2007-2008 CSIRO
-   Copyright (c) 2007-2009 Xiph.Org Foundation
-   Written by Jean-Marc Valin */
-/**
-   @file vq.h
-   @brief Vector quantisation of the residual
- */
-/*
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions
-   are met:
-
-   - Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-
-   - Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef VQ_H
-#define VQ_H
-
-#include "entenc.h"
-#include "entdec.h"
-#include "modes.h"
-
-/** Algebraic pulse-vector quantiser. The signal x is replaced by the sum of
-  * the pitch and a combination of pulses such that its norm is still equal
-  * to 1. This is the function that will typically require the most CPU.
- * @param X Residual signal to quantise/encode (returns quantised version)
- * @param N Number of samples to encode
- * @param K Number of pulses to use
- * @param enc Entropy encoder state
- * @ret A mask indicating which blocks in the band received pulses
-*/
-unsigned alg_quant(celt_norm *X, int N, int K, int spread, int B,
-      ec_enc *enc
-#ifdef RESYNTH
-      , opus_val16 gain
-#endif
-      );
-
-/** Algebraic pulse decoder
- * @param X Decoded normalised spectrum (returned)
- * @param N Number of samples to decode
- * @param K Number of pulses to use
- * @param dec Entropy decoder state
- * @ret A mask indicating which blocks in the band received pulses
- */
-unsigned alg_unquant(celt_norm *X, int N, int K, int spread, int B,
-      ec_dec *dec, opus_val16 gain);
-
-void renormalise_vector(celt_norm *X, int N, opus_val16 gain);
-
-int stereo_itheta(celt_norm *X, celt_norm *Y, int stereo, int N);
-
-#endif /* VQ_H */