diff --git a/crates/ascend/src/server/migrations.rs b/crates/ascend/src/server/migrations.rs
index fff90da..03a8794 100644
--- a/crates/ascend/src/server/migrations.rs
+++ b/crates/ascend/src/server/migrations.rs
@@ -13,44 +13,6 @@ pub async fn run_migrations(db: &Database) -> Result<(), Box<dyn std::error::Err
     if is_at_version(db, 3).await? {
         migrate_to_v4(db).await?;
     }
-    if is_at_version(db, 4).await? {
-        canonicalize_all_problems(db).await?;
-    }
-
-    Ok(())
-}
-
-pub async fn canonicalize_all_problems(db: &Database) -> Result<(), Box<dyn std::error::Error>> {
-    tracing::warn!("CANONICALIZING ALL PROBLEMS");
-
-    db.write(|txn| {
-        let mut walls_table = txn.open_table(db::v4::TABLE_WALLS)?;
-
-        let walls_dump = walls_table
-            .iter()?
-            .map(|el| {
-                let (k, v) = el.unwrap();
-                (k.value(), v.value())
-            })
-            .collect::<BTreeMap<_, _>>();
-
-        for (wall_uid, mut wall) in walls_dump.into_iter() {
-            wall.problems = wall
-                .problems
-                .into_iter()
-                .map(|mut problem| {
-                    problem.pattern = problem.pattern.canonicalize();
-                    problem
-                })
-                .collect();
-
-            walls_table.insert(wall_uid, wall)?;
-        }
-
-        Ok(())
-    })
-    .await?;
-
     Ok(())
 }