diff --git a/Nevanlinna/stronglyMeromorphicAt.lean b/Nevanlinna/stronglyMeromorphicAt.lean
index 3017484..bb40d85 100644
--- a/Nevanlinna/stronglyMeromorphicAt.lean
+++ b/Nevanlinna/stronglyMeromorphicAt.lean
@@ -357,8 +357,6 @@ theorem StronglyMeromorphicAt.decompose
     ∧ (g z₀ ≠ 0)
     ∧ (f = (fun z ↦ (z-z₀) ^ (h₁f.meromorphicAt.order.untop h₂f)) * g) := by
 
-  let n := - h₁f.meromorphicAt.order.untop h₂f
-
   let g₁ := (fun z ↦ (z-z₀) ^ (-h₁f.meromorphicAt.order.untop h₂f)) * f
   let g₁₁ := fun z ↦ (z-z₀) ^ (-h₁f.meromorphicAt.order.untop h₂f)
   have h₁g₁₁ : MeromorphicAt g₁₁ z₀ := by