diff --git a/unsloth/kernels/rms_layernorm.py b/unsloth/kernels/rms_layernorm.py
index b6ffa5fee9..23b7342c87 100644
--- a/unsloth/kernels/rms_layernorm.py
+++ b/unsloth/kernels/rms_layernorm.py
@@ -144,7 +144,7 @@ class Fast_RMS_Layernorm(torch.autograd.Function):
         n_rows, n_cols = X.shape
         BLOCK_SIZE : int
         num_warps  : int
-        BLOCK_SIZE, num_warps = calculate_settings(n_cols)
+        # BLOCK_SIZE, num_warps = calculate_settings(n_cols)
 
         Y = torch.empty((n_rows, n_cols), dtype = X.dtype, device = "cuda:0")
         r = torch.empty(n_rows, dtype = torch.float32, device = "cuda:0")
@@ -157,7 +157,7 @@ class Fast_RMS_Layernorm(torch.autograd.Function):
                 r, r.stride(0),
                 n_cols     = int(n_cols),
                 eps        = float(eps),
-                BLOCK_SIZE = BLOCK_SIZE,
+                BLOCK_SIZE = 4096,
                 num_warps  = 16,
             )
         else: