diff --git a/aiter/fused_moe.py b/aiter/fused_moe.py
index f6467b3841..890934a93c 100644
--- a/aiter/fused_moe.py
+++ b/aiter/fused_moe.py
@@ -161,7 +161,7 @@ def fused_moe_fake(
     device = topk_ids.device
     M, topk = topk_ids.shape
     dtype = hidden_states.dtype if dtype is None else dtype
-    E, model_dim, inter_dim = get_inter_dim(w1.shape, w2.shape)
+    model_dim = w2.shape[1]
     moe_buf = torch.empty((M, model_dim), dtype=dtype, device=device)
     return moe_buf