diff --git a/plugin/vimania_uri_rs.vim b/plugin/vimania_uri_rs.vim
index c27f460..8bc131b 100644
--- a/plugin/vimania_uri_rs.vim
+++ b/plugin/vimania_uri_rs.vim
@@ -88,13 +88,17 @@ command! -nargs=0 VimaniaThrowError call VimaniaThrowError()
 
 function! VimaniaDeleteTwbm(args)
   call TwDebug(printf("Vimania args: %s", a:args))
-  " Prompt the user for confirmation
-  let l:confirmation = input("Delete also from bkmr database? (y/n): ")
-  if l:confirmation ==? 'y'
-    python3 xUriMgr.delete_twbm(vim.eval('a:args'))
-    echo "Bookmark deleted."
-  else
-    echo "Deletion canceled."
+
+  " Check if vimania URI twbm integration is enabled
+  if exists('g:vimania_uri_twbm_integration') && g:vimania_uri_twbm_integration == 1
+    " Prompt the user for confirmation
+    let l:confirmation = input("Delete also from bkmr database? (y/n): ")
+    if l:confirmation ==? 'y'
+      python3 xUriMgr.delete_twbm(vim.eval('a:args'))
+      echo "Bookmark deleted."
+    else
+      echo "Bookmark not deleted from bkmr."
+    endif
   endif
 endfunction
 command! -nargs=1 VimaniaDeleteTwbm call VimaniaDeleteTwbm(<f-args>)
diff --git a/pythonx/vimania_uri_/vim_/vimania_manager.py b/pythonx/vimania_uri_/vim_/vimania_manager.py
index 2235168..5c54db1 100644
--- a/pythonx/vimania_uri_/vim_/vimania_manager.py
+++ b/pythonx/vimania_uri_/vim_/vimania_manager.py
@@ -151,6 +151,7 @@ def delete_twbm(self, args: str):
         _log.debug(f"{args=}")
         if not self.twbm_integrated:
             _log.debug(f"twbm not integrated. Do nothing.")
+            return
         assert isinstance(args, str), f"Error: input must be string, got {type(args)}."
         try:
             urls = delete_twbm(args)