1 files changed, 0 insertions, 12 deletions
diff --git a/libsensors_iio/software/core/mllite/ml_math_func.h b/libsensors_iio/software/core/mllite/ml_math_func.h
index 535d849..916de0a 100644
--- a/libsensors_iio/software/core/mllite/ml_math_func.h
+++ b/libsensors_iio/software/core/mllite/ml_math_func.h
@@ -24,13 +24,6 @@
 extern "C" {
 #endif
 
-     typedef struct {
-        float state[4];
-        float c[5];
-        float input;
-        float output;
-    }   inv_biquad_filter_t;
-
     static inline float inv_q30_to_float(long q30)
     {
         return (float) q30 / ((float)(1L << 30));
@@ -109,11 +102,6 @@ extern "C" {
     double quaternion_to_rotation_angle(const long *quat);
     double inv_vector_norm(const float *x);
 
-    void inv_init_biquad_filter(inv_biquad_filter_t *pFilter, float *pBiquadCoeff);
-    float inv_biquad_filter_process(inv_biquad_filter_t *pFilter, float input);
-    void inv_calc_state_to_match_output(inv_biquad_filter_t *pFilter, float input);
-    void inv_get_cross_product_vec(float *cgcross, float compass[3], float grav[3]);
-
 #ifdef __cplusplus
 }
 #endif