diff --git a/scrapers/kattis.py b/scrapers/kattis.py
index 2c5c1fc..7741847 100644
--- a/scrapers/kattis.py
+++ b/scrapers/kattis.py
@@ -10,7 +10,7 @@ from pathlib import Path
 
 import httpx
 
-from .base import BaseScraper, extract_precision
+from .base import BaseScraper
 from .timeouts import HTTP_TIMEOUT
 from .models import (
     ContestListResult,
@@ -173,7 +173,6 @@ async def _stream_single_problem(client: httpx.AsyncClient, slug: str) -> None:
 
     timeout_ms, memory_mb = _parse_limits(html)
     interactive = _is_interactive(html)
-    precision = extract_precision(html)
 
     tests: list[TestCase] = []
     try:
@@ -201,7 +200,6 @@ async def _stream_single_problem(client: httpx.AsyncClient, slug: str) -> None:
                 "memory_mb": memory_mb,
                 "interactive": interactive,
                 "multi_test": False,
-                "precision": precision,
             }
         ),
         flush=True,
@@ -256,8 +254,6 @@ class KattisScraper(BaseScraper):
                             ProblemSummary(id=slug, name=name) for slug, name in slugs
                         ],
                         url=f"{BASE_URL}/problems/%s",
-                        contest_url=f"{BASE_URL}/contests/{contest_id}",
-                        standings_url=f"{BASE_URL}/contests/{contest_id}/standings",
                     )
                 try:
                     html = await _fetch_text(
@@ -277,8 +273,6 @@ class KattisScraper(BaseScraper):
                     contest_id=contest_id,
                     problems=[ProblemSummary(id=contest_id, name=name)],
                     url=f"{BASE_URL}/problems/%s",
-                    contest_url=f"{BASE_URL}/problems/{contest_id}",
-                    standings_url="",
                 )
         except Exception as e:
             return self._metadata_error(str(e))
@@ -379,15 +373,9 @@ class KattisScraper(BaseScraper):
                     return self._submit_error(f"Submit request failed: {e}")
 
             sid_m = re.search(r"Submission ID:\s*(\d+)", r.text, re.IGNORECASE)
-            if not sid_m:
-                return self._submit_error(
-                    r.text.strip() or "Submit failed (no submission ID)"
-                )
+            sid = sid_m.group(1) if sid_m else ""
             return SubmitResult(
-                success=True,
-                error="",
-                submission_id=sid_m.group(1),
-                verdict="submitted",
+                success=True, error="", submission_id=sid, verdict="submitted"
             )
 
     async def login(self, credentials: dict[str, str]) -> LoginResult:
diff --git a/scrapers/usaco.py b/scrapers/usaco.py
index 5ab89f7..074cbf9 100644
--- a/scrapers/usaco.py
+++ b/scrapers/usaco.py
@@ -8,7 +8,7 @@ from typing import Any, cast
 
 import httpx
 
-from .base import BaseScraper, extract_precision
+from .base import BaseScraper
 from .timeouts import HTTP_TIMEOUT
 from .models import (
     ContestListResult,
@@ -130,14 +130,12 @@ def _parse_problem_page(html: str) -> dict[str, Any]:
     memory_mb = int(mm.group(1)) if mm else 256
 
     interactive = "interactive problem" in html.lower()
-    precision = extract_precision(html)
 
     return {
         "tests": tests,
         "timeout_ms": timeout_ms,
         "memory_mb": memory_mb,
         "interactive": interactive,
-        "precision": precision,
     }
 
 
@@ -377,7 +375,6 @@ class USACOScraper(BaseScraper):
                             "timeout_ms": 4000,
                             "memory_mb": 256,
                             "interactive": False,
-                            "precision": None,
                         }
 
                     tests = cast(list[TestCase], info["tests"])
@@ -399,7 +396,6 @@ class USACOScraper(BaseScraper):
                         "memory_mb": info["memory_mb"],
                         "interactive": info["interactive"],
                         "multi_test": False,
-                        "precision": info["precision"],
                     }
 
             tasks = [run_one(cpid) for cpid, _ in problems_raw]