diff --git a/lua/cp/config.lua b/lua/cp/config.lua
index f9b678a..728b85f 100644
--- a/lua/cp/config.lua
+++ b/lua/cp/config.lua
@@ -8,7 +8,6 @@
 ---@field extension string
 ---@field commands CpLangCommands
 ---@field template? string
----@field submit_id? string
 
 ---@class CpTemplatesConfig
 ---@field cursor_marker? string
@@ -17,7 +16,6 @@
 ---@field extension? string
 ---@field commands? CpLangCommands
 ---@field template? string
----@field submit_id? string
 
 ---@class CpPlatform
 ---@field enabled_languages string[]
@@ -295,9 +293,6 @@ local function merge_lang(base, ov)
   if ov.template then
     out.template = ov.template
   end
-  if ov.submit_id then
-    out.submit_id = ov.submit_id
-  end
   return out
 end
 
diff --git a/lua/cp/submit.lua b/lua/cp/submit.lua
index 01329d8..50d884f 100644
--- a/lua/cp/submit.lua
+++ b/lua/cp/submit.lua
@@ -1,7 +1,6 @@
 local M = {}
 
 local cache = require('cp.cache')
-local config = require('cp.config')
 local logger = require('cp.log')
 local state = require('cp.state')
 
@@ -57,12 +56,6 @@ function M.submit(opts)
   end
   source_file = vim.fn.fnamemodify(source_file, ':p')
 
-  local lang_result = config.get_language_for_platform(platform, language)
-  local submit_language = language
-  if lang_result.valid and lang_result.effective and lang_result.effective.submit_id then
-    submit_language = lang_result.effective.submit_id
-  end
-
   prompt_credentials(platform, function(creds)
     vim.cmd.update()
     vim.notify('[cp.nvim] Submitting...', vim.log.levels.INFO)
@@ -71,7 +64,7 @@ function M.submit(opts)
       platform,
       contest_id,
       problem_id,
-      submit_language,
+      language,
       source_file,
       creds,
       function(ev)
diff --git a/tests/test_scrapers.py b/tests/test_scrapers.py
index 25d2d80..c4fa6d5 100644
--- a/tests/test_scrapers.py
+++ b/tests/test_scrapers.py
@@ -1,6 +1,5 @@
 import pytest
 
-from scrapers.language_ids import LANGUAGE_IDS, get_language_id
 from scrapers.models import (
     ContestListResult,
     MetadataResult,
@@ -138,21 +137,3 @@ def test_scraper_metadata_error(run_scraper_offline, scraper, contest_id):
     assert objs
     assert objs[-1].get("success") is False
     assert objs[-1].get("error")
-
-
-EXPECTED_PLATFORMS = {"atcoder", "codeforces", "cses", "usaco", "kattis", "codechef"}
-EXPECTED_LANGUAGES = {"cpp", "python"}
-
-
-def test_language_ids_coverage():
-    assert set(LANGUAGE_IDS.keys()) == EXPECTED_PLATFORMS
-    for platform in EXPECTED_PLATFORMS:
-        for lang in EXPECTED_LANGUAGES:
-            lid = get_language_id(platform, lang)
-            assert lid is not None, f"Missing language ID: {platform}/{lang}"
-            assert isinstance(lid, str) and lid, f"Empty language ID: {platform}/{lang}"
-
-
-def test_language_ids_unknown_returns_none():
-    assert get_language_id("codeforces", "rust") is None
-    assert get_language_id("nonexistent", "cpp") is None