diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11d24a0d..24fd3825 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
  - `Storage::get_dialogue` to obtain a dialogue indexed by a chat ID.
  - `RedisStorageError::RowNotFound` to be returned from `RedisStorage::remove_dialogue`.
- - `InMemStorageError` with a single variant `RowNotFound` to be returned from `InMemStorage::remove_dialogue`.
+ - `InMemStorageError` with a single variant `DialogueNotFound` to be returned from `InMemStorage::remove_dialogue`.
+ - `RedisStorageError::DialogueNotFound` and `SqliteStorageError::DialogueNotFound` to be returned from `Storage::remove_dialogue`.
 
 ### Changed
 
diff --git a/src/dispatching/dialogue/storage/in_mem_storage.rs b/src/dispatching/dialogue/storage/in_mem_storage.rs
index c01498ff..2407792f 100644
--- a/src/dispatching/dialogue/storage/in_mem_storage.rs
+++ b/src/dispatching/dialogue/storage/in_mem_storage.rs
@@ -9,7 +9,7 @@ use tokio::sync::Mutex;
 pub enum InMemStorageError {
     /// Returned from [`InMemStorage::remove_dialogue`].
     #[error("row not found")]
-    RowNotFound,
+    DialogueNotFound,
 }
 
 /// A dialogue storage based on [`std::collections::HashMap`].
@@ -46,7 +46,7 @@ where
                 .lock()
                 .await
                 .remove(&chat_id)
-                .map_or_else(|| Err(InMemStorageError::RowNotFound), |_| Ok(()))
+                .map_or_else(|| Err(InMemStorageError::DialogueNotFound), |_| Ok(()))
         })
     }
 
diff --git a/src/dispatching/dialogue/storage/redis_storage.rs b/src/dispatching/dialogue/storage/redis_storage.rs
index 0b1219a0..5e2eb843 100644
--- a/src/dispatching/dialogue/storage/redis_storage.rs
+++ b/src/dispatching/dialogue/storage/redis_storage.rs
@@ -25,7 +25,7 @@ where
 
     /// Returned from [`RedisStorage::remove_dialogue`].
     #[error("row not found")]
-    RowNotFound,
+    DialogueNotFound,
 }
 
 /// A dialogue storage based on [Redis](https://redis.io/).
@@ -66,15 +66,15 @@ where
                 .await?;
 
             if let redis::Value::Bulk(values) = deleted_rows_count {
-                 if let redis::Value::Int(deleted_rows_count) = values[0] {
-                     match deleted_rows_count {
-                         0 => return Err(RedisStorageError::RowNotFound),
-                         _ => return Ok(())
-                     }
-                 }
-             }
-                 
-             unreachable!("Must return redis::Value::Bulk(redis::Value::Int(_))");
+                if let redis::Value::Int(deleted_rows_count) = values[0] {
+                    match deleted_rows_count {
+                        0 => return Err(RedisStorageError::DialogueNotFound),
+                        _ => return Ok(()),
+                    }
+                }
+            }
+
+            unreachable!("Must return redis::Value::Bulk(redis::Value::Int(_))");
         })
     }
 
diff --git a/src/dispatching/dialogue/storage/sqlite_storage.rs b/src/dispatching/dialogue/storage/sqlite_storage.rs
index 10a1b403..a562b5e5 100644
--- a/src/dispatching/dialogue/storage/sqlite_storage.rs
+++ b/src/dispatching/dialogue/storage/sqlite_storage.rs
@@ -27,6 +27,10 @@ where
 
     #[error("sqlite error: {0}")]
     SqliteError(#[from] sqlx::Error),
+
+    /// Returned from [`SqliteStorage::remove_dialogue`].
+    #[error("row not found")]
+    DialogueNotFound,
 }
 
 impl<S> SqliteStorage<S> {
@@ -73,7 +77,7 @@ where
                     .rows_affected();
 
             if deleted_rows_count == 0 {
-                return Err(SqliteStorageError::SqliteError(sqlx::Error::RowNotFound));
+                return Err(SqliteStorageError::DialogueNotFound);
             }
 
             Ok(())
diff --git a/tests/redis.rs b/tests/redis.rs
index ab2466f1..2e011596 100644
--- a/tests/redis.rs
+++ b/tests/redis.rs
@@ -74,6 +74,6 @@ where
     // Check that a try to remove a non-existing dialogue results in an error.
     assert!(matches!(
         Arc::clone(&storage).remove_dialogue(1).await.unwrap_err(),
-        RedisStorageError::RowNotFound
+        RedisStorageError::DialogueNotFound
     ));
 }
diff --git a/tests/sqlite.rs b/tests/sqlite.rs
index f8b76fb4..a66c745f 100644
--- a/tests/sqlite.rs
+++ b/tests/sqlite.rs
@@ -68,9 +68,8 @@ where
     test_dialogues!(storage, None, None, None);
 
     // Check that a try to remove a non-existing dialogue results in an error.
-    let err = Arc::clone(&storage).remove_dialogue(1).await.unwrap_err();
-    match err {
-        SqliteStorageError::SqliteError(err) => assert!(matches!(err, sqlx::Error::RowNotFound)),
-        _ => panic!("Must be sqlx::Error::RowNotFound"),
-    }
+    assert!(matches!(
+        Arc::clone(&storage).remove_dialogue(1).await.unwrap_err(),
+        SqliteStorageError::DialogueNotFound
+    ));
 }