diff --git a/single_shot_inference.py b/single_shot_inference.py
index 552357bd..e7c3e64d 100644
--- a/single_shot_inference.py
+++ b/single_shot_inference.py
@@ -376,9 +376,10 @@ def forward_layer(X_l, w, li, cfg, rope_cos, rope_sin,
     if seq_len < 120:
         k_expanded = k_full.expand(n_h, -1, -1).contiguous()
         v_expanded = v_full.expand(n_h, -1, -1).contiguous()
-        # Add attention sink (paper D5c)
+        # Attention sink (paper D5c)
+        # DISABLED for now to check impact
         sink_key = f"{pre}.sinks"
-        if sink_key in w and seq_len > 0:
+        if False and sink_key in w and seq_len > 0:
             sinks = w[sink_key].to(device=device)  # (n_h,) BF16
             sink_k = torch.zeros(n_h, 1, hd, dtype=torch.bfloat16, device=device)
             sink_v = torch.zeros(n_h, 1, hd, dtype=torch.bfloat16, device=device)