diff --git a/lua/plenary/popup/init.lua b/lua/plenary/popup/init.lua
index 1c50c065..12d88405 100644
--- a/lua/plenary/popup/init.lua
+++ b/lua/plenary/popup/init.lua
@@ -191,6 +191,7 @@ function popup.create(what, vim_options)
   local win_opts = {}
   win_opts.relative = "editor"
   win_opts.style = "minimal"
+  win_opts.border = "none"
 
   -- Add positional and sizing config to win_opts
   add_position_config(win_opts, vim_options, { width = 1, height = 1 })
diff --git a/lua/plenary/window/border.lua b/lua/plenary/window/border.lua
index a454b7f9..a9fe34fb 100644
--- a/lua/plenary/window/border.lua
+++ b/lua/plenary/window/border.lua
@@ -231,6 +231,7 @@ function Border:__align_calc_config(content_win_options, border_win_options)
     zindex = content_win_options.zindex or 50,
     noautocmd = content_win_options.noautocmd,
     focusable = vim.F.if_nil(border_win_options.focusable, false),
+    border = "none",
   }
 
   return nvim_win_config