diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index a12333c3..907b201b 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -43,7 +43,6 @@ inefficient_to_string = "warn"
 linkedlist = "warn"
 lossy_float_literal = "warn"
 macro_use_imports = "warn"
-match_on_vec_items = "warn"
 match_wildcard_for_single_variants = "warn"
 mem_forget = "warn"
 needless_borrow = "warn"
diff --git a/backend/reconcile/src/operation_transformation/merge_context.rs b/backend/reconcile/src/operation_transformation/merge_context.rs
index d45f08ad..5cf0972d 100644
--- a/backend/reconcile/src/operation_transformation/merge_context.rs
+++ b/backend/reconcile/src/operation_transformation/merge_context.rs
@@ -62,12 +62,11 @@ where
                     self.shift -= *deleted_character_count as i64;
                     self.last_operation = None;
                 }
-            } else if let Operation::Insert { .. } = last_operation {
-                if threshold_index + self.shift - last_operation.len() as i64
+            } else if let Operation::Insert { .. } = last_operation
+                && threshold_index + self.shift - last_operation.len() as i64
                     > last_operation.end_index() as i64
-                {
-                    self.last_operation = None;
-                }
+            {
+                self.last_operation = None;
             }
         }
     }
diff --git a/backend/rust-toolchain.toml b/backend/rust-toolchain.toml
index 8e466642..0d5c6104 100644
--- a/backend/rust-toolchain.toml
+++ b/backend/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2025-03-14"
+channel = "nightly-2025-06-06"
 targets = [ "x86_64-unknown-linux-gnu", "x86_64-unknown-linux-musl" ]
 profile = "default"