diff --git a/src/BE/Controllers/Chats/Chats/ChatController.cs b/src/BE/Controllers/Chats/Chats/ChatController.cs
index e93f8af5..45af307e 100644
--- a/src/BE/Controllers/Chats/Chats/ChatController.cs
+++ b/src/BE/Controllers/Chats/Chats/ChatController.cs
@@ -190,7 +190,7 @@ public async Task<IActionResult> ChatPrivate(
         MessageLiteDto[] systemMessages = GetSystemMessages(chat, req.Spans, existingMessages, isEmptyChat);
 
         // ensure chat.ChatSpan contains all span ids that in request, otherwise return error
-        if (req.Spans!.Any(x => !chat.ChatSpans.Any(y => y.SpanId == x.Id)))
+        if (req.Spans.Any(x => !chat.ChatSpans.Any(y => y.SpanId == x.Id)))
         {
             return BadRequest("Invalid span id");
         }
diff --git a/src/BE/Controllers/Chats/Chats/ChatSpanController.cs b/src/BE/Controllers/Chats/Chats/ChatSpanController.cs
index 2cf1fa79..fe5f68de 100644
--- a/src/BE/Controllers/Chats/Chats/ChatSpanController.cs
+++ b/src/BE/Controllers/Chats/Chats/ChatSpanController.cs
@@ -139,12 +139,6 @@ public async Task<IActionResult> DeleteChatSpan(string encryptedChatId, byte spa
             return NotFound();
         }
 
-        bool hasMessages = await db.Messages.AnyAsync(x => x.ChatId == chatId && x.SpanId == spanId, cancellationToken);
-        if (hasMessages)
-        {
-            return BadRequest("Cannot delete span with messages");
-        }
-
         db.ChatSpans.Remove(span);
         await db.SaveChangesAsync(cancellationToken);
         return NoContent();