diff --git a/web/services/city_payloads.py b/web/services/city_payloads.py
index c48e4167..fa77b05f 100644
--- a/web/services/city_payloads.py
+++ b/web/services/city_payloads.py
@@ -8,27 +8,6 @@ from web.core import _is_excluded_model_name
 
 TURKISH_MGM_CITIES = {"ankara", "istanbul"}
 
-_polymarket_layer = None
-
-
-def _get_polymarket_layer():
-    global _polymarket_layer
-    if _polymarket_layer is None:
-        from src.data_collection.polymarket_readonly import PolymarketReadOnlyLayer
-
-        _polymarket_layer = PolymarketReadOnlyLayer()
-    return _polymarket_layer
-
-
-def _top_probability_bucket(distribution: Any) -> Optional[Dict[str, Any]]:
-    if not isinstance(distribution, list):
-        return None
-    candidates = [row for row in distribution if isinstance(row, dict)]
-    if not candidates:
-        return None
-    return max(candidates, key=lambda row: float(row.get("probability") or -1.0))
-
-
 def build_city_summary_payload(data: Dict[str, Any]) -> Dict[str, Any]:
     return {
         "name": data.get("name"),
@@ -55,65 +34,11 @@ def build_city_summary_payload(data: Dict[str, Any]) -> Dict[str, Any]:
     }
 
 
-def build_city_market_scan_payload(
-    data: Dict[str, Any],
-    market_slug: Optional[str] = None,
-    target_date: Optional[str] = None,
-    lite: bool = False,
-    scan_filters: Optional[Dict[str, Any]] = None,
-) -> Dict[str, Any]:
-    local_date = str(data.get("local_date") or "").strip()
-    requested_date = str(target_date or "").strip()
-    selected_date = requested_date or local_date
-
-    try:
-        layer = _get_polymarket_layer()
-        probabilities = data.get("probabilities") or {}
-        distribution = probabilities.get("distribution") or []
-        top_bucket = _top_probability_bucket(distribution)
-        model_probability = (
-            float(top_bucket.get("probability"))
-            if (isinstance(top_bucket, dict) and top_bucket.get("probability") is not None)
-            else None
-        )
-
-        scan = layer.build_market_scan(
-            city=data.get("name"),
-            target_date=selected_date,
-            temperature_bucket=top_bucket,
-            model_probability=model_probability,
-            probability_distribution=distribution,
-            temp_symbol=str(data.get("temp_symbol") or ""),
-            forced_market_slug=market_slug,
-            include_related_buckets=not lite,
-            scan_filters=scan_filters,
-        )
-        return {
-            "market_scan": scan,
-            "selected_date": selected_date,
-            "fetched_at": data.get("updated_at"),
-        }
-    except Exception:
-        import traceback
-        traceback.print_exc()
-        return {
-            "market_scan": {"available": False},
-            "selected_date": selected_date,
-            "fetched_at": data.get("updated_at"),
-        }
-
-
 def build_city_detail_payload(
     data: Dict[str, Any],
     market_slug: Optional[str] = None,
     target_date: Optional[str] = None,
 ) -> Dict[str, Any]:
-    market_payload = build_city_market_scan_payload(
-        data,
-        market_slug=market_slug,
-        target_date=target_date,
-    )
-    market_scan = market_payload.get("market_scan")
     return {
         "city": data.get("name"),
         "fetched_at": data.get("updated_at"),
@@ -200,7 +125,7 @@ def build_city_detail_payload(
         or _build_intraday_meteorology(data),
         "vertical_profile_signal": data.get("vertical_profile_signal") or {},
         "taf": data.get("taf") or {},
-        "market_scan": market_scan,
+
         "risk": data.get("risk"),
         "settlement_station": data.get("settlement_station") or {},
         "airport_primary": data.get("airport_primary") or {},