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diff --git a/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_f32.c b/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_f32.c
deleted file mode 100644
index 31bbaa7a8..000000000
--- a/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_f32.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/* ----------------------------------------------------------------------    
-* Copyright (C) 2010 ARM Limited. All rights reserved.    
-*    
-* $Date:        15. February 2012  
-* $Revision: 	V1.1.0  
-*    
-* Project: 	    CMSIS DSP Library    
-* Title:		arm_cmplx_conj_f32.c    
-*    
-* Description:	Floating-point complex conjugate.    
-*    
-* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
-*  
-* Version 1.1.0 2012/02/15 
-*    Updated with more optimizations, bug fixes and minor API changes.  
-*   
-* Version 1.0.10 2011/7/15  
-*    Big Endian support added and Merged M0 and M3/M4 Source code.   
-*    
-* Version 1.0.3 2010/11/29   
-*    Re-organized the CMSIS folders and updated documentation.    
-*     
-* Version 1.0.2 2010/11/11    
-*    Documentation updated.     
-*    
-* Version 1.0.1 2010/10/05     
-*    Production release and review comments incorporated.    
-*    
-* Version 1.0.0 2010/09/20     
-*    Production release and review comments incorporated.    
-* ---------------------------------------------------------------------------- */
-#include "arm_math.h"
-
-/**        
- * @ingroup groupCmplxMath        
- */
-
-/**        
- * @defgroup cmplx_conj Complex Conjugate        
- *        
- * Conjugates the elements of a complex data vector.        
- *       
- * The <code>pSrc</code> points to the source data and        
- * <code>pDst</code> points to the where the result should be written.        
- * <code>numSamples</code> specifies the number of complex samples        
- * and the data in each array is stored in an interleaved fashion        
- * (real, imag, real, imag, ...).        
- * Each array has a total of <code>2*numSamples</code> values.        
- * The underlying algorithm is used:        
- *        
- * <pre>        
- * for(n=0; n<numSamples; n++) {        
- *     pDst[(2*n)+0)] = pSrc[(2*n)+0];     // real part        
- *     pDst[(2*n)+1)] = -pSrc[(2*n)+1];    // imag part        
- * }        
- * </pre>        
- *        
- * There are separate functions for floating-point, Q15, and Q31 data types.        
- */
-
-/**        
- * @addtogroup cmplx_conj        
- * @{        
- */
-
-/**        
- * @brief  Floating-point complex conjugate.        
- * @param  *pSrc points to the input vector        
- * @param  *pDst points to the output vector        
- * @param  numSamples number of complex samples in each vector        
- * @return none.        
- */
-
-void arm_cmplx_conj_f32(
-  float32_t * pSrc,
-  float32_t * pDst,
-  uint32_t numSamples)
-{
-  uint32_t blkCnt;                               /* loop counter */
-
-#ifndef ARM_MATH_CM0
-
-  /* Run the below code for Cortex-M4 and Cortex-M3 */
-  float32_t inR1, inR2, inR3, inR4;
-  float32_t inI1, inI2, inI3, inI4;
-
-  /*loop Unrolling */
-  blkCnt = numSamples >> 2u;
-
-  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
-   ** a second loop below computes the remaining 1 to 3 samples. */
-  while(blkCnt > 0u)
-  {
-    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
-    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
-    /* read real input samples */
-    inR1 = pSrc[0];
-    /* store real samples to destination */
-    pDst[0] = inR1;
-    inR2 = pSrc[2];
-    pDst[2] = inR2;
-    inR3 = pSrc[4];
-    pDst[4] = inR3;
-    inR4 = pSrc[6];
-    pDst[6] = inR4;
-
-    /* read imaginary input samples */
-    inI1 = pSrc[1];
-    inI2 = pSrc[3];
-
-    /* conjugate input */
-    inI1 = -inI1;
-
-    /* read imaginary input samples */
-    inI3 = pSrc[5];
-
-    /* conjugate input */
-    inI2 = -inI2;
-
-    /* read imaginary input samples */
-    inI4 = pSrc[7];
-
-    /* conjugate input */
-    inI3 = -inI3;
-
-    /* store imaginary samples to destination */
-    pDst[1] = inI1;
-    pDst[3] = inI2;
-
-    /* conjugate input */
-    inI4 = -inI4;
-
-    /* store imaginary samples to destination */
-    pDst[5] = inI3;
-
-    /* increment source pointer by 8 to process next sampels */
-    pSrc += 8u;
-
-    /* store imaginary sample to destination */
-    pDst[7] = inI4;
-
-    /* increment destination pointer by 8 to store next samples */
-    pDst += 8u;
-
-    /* Decrement the loop counter */
-    blkCnt--;
-  }
-
-  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
-   ** No loop unrolling is used. */
-  blkCnt = numSamples % 0x4u;
-
-#else
-
-  /* Run the below code for Cortex-M0 */
-  blkCnt = numSamples;
-
-#endif /* #ifndef ARM_MATH_CM0 */
-
-  while(blkCnt > 0u)
-  {
-    /* realOut + j (imagOut) = realIn + j (-1) imagIn */
-    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
-    *pDst++ = *pSrc++;
-    *pDst++ = -*pSrc++;
-
-    /* Decrement the loop counter */
-    blkCnt--;
-  }
-}
-
-/**        
- * @} end of cmplx_conj group        
- */