1 files changed, 0 insertions, 10 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_oren_nayar.h b/intern/cycles/kernel/closure/bsdf_oren_nayar.h
index fcfeb9257f1..b85390f0676 100644
--- a/intern/cycles/kernel/closure/bsdf_oren_nayar.h
+++ b/intern/cycles/kernel/closure/bsdf_oren_nayar.h
@@ -75,14 +75,10 @@ ccl_device Spectrum bsdf_oren_nayar_eval_transmit(ccl_private const ShaderClosur
 ccl_device int bsdf_oren_nayar_sample(ccl_private const ShaderClosure *sc,
                                       float3 Ng,
                                       float3 I,
-                                      float3 dIdx,
-                                      float3 dIdy,
                                       float randu,
                                       float randv,
                                       ccl_private Spectrum *eval,
                                       ccl_private float3 *omega_in,
-                                      ccl_private float3 *domega_in_dx,
-                                      ccl_private float3 *domega_in_dy,
                                       ccl_private float *pdf)
 {
   ccl_private const OrenNayarBsdf *bsdf = (ccl_private const OrenNayarBsdf *)sc;
@@ -90,12 +86,6 @@ ccl_device int bsdf_oren_nayar_sample(ccl_private const ShaderClosure *sc,
 
   if (dot(Ng, *omega_in) > 0.0f) {
     *eval = bsdf_oren_nayar_get_intensity(sc, bsdf->N, I, *omega_in);
-
-#ifdef __RAY_DIFFERENTIALS__
-    // TODO: find a better approximation for the bounce
-    *domega_in_dx = (2.0f * dot(bsdf->N, dIdx)) * bsdf->N - dIdx;
-    *domega_in_dy = (2.0f * dot(bsdf->N, dIdy)) * bsdf->N - dIdy;
-#endif
   }
   else {
     *pdf = 0.0f;