chore: remove unused lemmas from a non-terminal simp (#5229)

These non-terminal `simp` calls broke on a branch, but can be fixed on both `master` and that branch by removing a lemma.
leanprover · Sep 2, 2024 · 4f04112 · 4f04112
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commit 4f04112
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diff --git a/src/Lean/Data/HashMap.lean b/src/Lean/Data/HashMap.lean
@@ -46,7 +46,7 @@ private def mkIdx {sz : Nat} (hash : UInt64) (h : sz.isPowerOfTwo) : { u : USize
   if h' : u.toNat < sz then
     ⟨u, h'⟩
   else
-    ⟨0, by simp [USize.toNat, OfNat.ofNat, USize.ofNat, Fin.ofNat']; apply Nat.pos_of_isPowerOfTwo h⟩
+    ⟨0, by simp [USize.toNat, OfNat.ofNat, USize.ofNat]; apply Nat.pos_of_isPowerOfTwo h⟩
 
 @[inline] def reinsertAux (hashFn : α → UInt64) (data : HashMapBucket α β) (a : α) (b : β) : HashMapBucket α β :=
   let ⟨i, h⟩ := mkIdx (hashFn a) data.property

diff --git a/src/Lean/Data/HashSet.lean b/src/Lean/Data/HashSet.lean
@@ -43,7 +43,7 @@ private def mkIdx {sz : Nat} (hash : UInt64) (h : sz.isPowerOfTwo) : { u : USize
   if h' : u.toNat < sz then
     ⟨u, h'⟩
   else
-    ⟨0, by simp [USize.toNat, OfNat.ofNat, USize.ofNat, Fin.ofNat']; apply Nat.pos_of_isPowerOfTwo h⟩
+    ⟨0, by simp [USize.toNat, OfNat.ofNat, USize.ofNat]; apply Nat.pos_of_isPowerOfTwo h⟩
 
 @[inline] def reinsertAux (hashFn : α → UInt64) (data : HashSetBucket α) (a : α) : HashSetBucket α :=
   let ⟨i, h⟩ := mkIdx (hashFn a) data.property