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diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_init_q15.c b/fw/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_init_q15.c
deleted file mode 100644
index b2e38b4..0000000
--- a/fw/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_init_q15.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_cfft_radix4_init_q15.c
- * Description:  Radix-4 Decimation in Frequency Q15 FFT & IFFT initialization function
- *
- * $Date:        27. January 2017
- * $Revision:    V.1.5.1
- *
- * Target Processor: Cortex-M cores
- * -------------------------------------------------------------------- */
-/*
- * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "arm_math.h"
-#include "arm_common_tables.h"
-
-/**
- * @ingroup groupTransforms
- */
-
-
-/**
- * @addtogroup ComplexFFT
- * @{
- */
-
-
-/**
-* @brief Initialization function for the Q15 CFFT/CIFFT.
-* @deprecated Do not use this function.  It has been superseded by \ref arm_cfft_q15 and will be removed
-* @param[in,out] *S             points to an instance of the Q15 CFFT/CIFFT structure.
-* @param[in]     fftLen         length of the FFT.
-* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
-* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
-* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if <code>fftLen</code> is not a supported value.
-*
-* \par Description:
-* \par
-* The parameter <code>ifftFlag</code> controls whether a forward or inverse transform is computed.
-* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated
-* \par
-* The parameter <code>bitReverseFlag</code> controls whether output is in normal order or bit reversed order.
-* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.
-* \par
-* The parameter <code>fftLen</code>	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.
-* \par
-* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.
-*/
-
-arm_status arm_cfft_radix4_init_q15(
-  arm_cfft_radix4_instance_q15 * S,
-  uint16_t fftLen,
-  uint8_t ifftFlag,
-  uint8_t bitReverseFlag)
-{
-  /*  Initialise the default arm status */
-  arm_status status = ARM_MATH_SUCCESS;
-  /*  Initialise the FFT length */
-  S->fftLen = fftLen;
-  /*  Initialise the Twiddle coefficient pointer */
-  S->pTwiddle = (q15_t *) twiddleCoef_4096_q15;
-  /*  Initialise the Flag for selection of CFFT or CIFFT */
-  S->ifftFlag = ifftFlag;
-  /*  Initialise the Flag for calculation Bit reversal or not */
-  S->bitReverseFlag = bitReverseFlag;
-
-  /*  Initializations of structure parameters depending on the FFT length */
-  switch (S->fftLen)
-  {
-  case 4096U:
-    /*  Initializations of structure parameters for 4096 point FFT */
-
-    /*  Initialise the twiddle coef modifier value */
-    S->twidCoefModifier = 1U;
-    /*  Initialise the bit reversal table modifier */
-    S->bitRevFactor = 1U;
-    /*  Initialise the bit reversal table pointer */
-    S->pBitRevTable = (uint16_t *) armBitRevTable;
-
-    break;
-
-  case 1024U:
-    /*  Initializations of structure parameters for 1024 point FFT */
-    S->twidCoefModifier = 4U;
-    S->bitRevFactor = 4U;
-    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
-
-    break;
-
-  case 256U:
-    /*  Initializations of structure parameters for 256 point FFT */
-    S->twidCoefModifier = 16U;
-    S->bitRevFactor = 16U;
-    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
-
-    break;
-
-  case 64U:
-    /*  Initializations of structure parameters for 64 point FFT */
-    S->twidCoefModifier = 64U;
-    S->bitRevFactor = 64U;
-    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
-
-    break;
-
-  case 16U:
-    /*  Initializations of structure parameters for 16 point FFT */
-    S->twidCoefModifier = 256U;
-    S->bitRevFactor = 256U;
-    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
-
-    break;
-
-  default:
-    /*  Reporting argument error if fftSize is not valid value */
-    status = ARM_MATH_ARGUMENT_ERROR;
-    break;
-  }
-
-  return (status);
-}
-
-/**
- * @} end of ComplexFFT group
- */