diff --git a/code/matrix_multiplication.h b/code/matrix_multiplication.h
index 1fa41dc72d5eb7b24bc4e0fdb28fb43e40963d93..29d9ea4d55db3c907f1fda40fd7e7269e73ee854 100644
--- a/code/matrix_multiplication.h
+++ b/code/matrix_multiplication.h
@@ -92,7 +92,6 @@ void matrixMultiplyAVX2(const std::complex<float>* a,
   __m256i a_4_ind = _mm256_set_epi32(7, 7, 7, 7, 3, 3, 3, 3);
   __m256i b_4_ind = _mm256_set_epi32(6, 7, 4, 5, 6, 7, 4, 5);
 
-  __m256 inv = _mm256_set_ps(1., -1., 1., -1., 1., -1., 1., -1.);
   __m256 a_1 = _mm256_permutevar8x32_ps(a_m, a_1_ind);
   __m256 b_1 = _mm256_permutevar8x32_ps(b_m, b_1_ind);