diff --git a/app/controllers/api/v1/maps/hexagons_controller.rb b/app/controllers/api/v1/maps/hexagons_controller.rb
index 3ff0b3ff..0e0d19a5 100644
--- a/app/controllers/api/v1/maps/hexagons_controller.rb
+++ b/app/controllers/api/v1/maps/hexagons_controller.rb
@@ -57,7 +57,7 @@ class Api::V1::Maps::HexagonsController < ApiController
   private
 
   def hexagon_params
-    params.permit(:h3_resolution, :uuid, :start_date, :end_date)
+    params.permit(:uuid, :start_date, :end_date)
   end
 
   def handle_service_error
@@ -79,7 +79,7 @@ class Api::V1::Maps::HexagonsController < ApiController
     end
 
     # Validate coordinate ranges
-    if !valid_coordinate_ranges?
+    unless valid_coordinate_ranges?
       render json: { error: 'Invalid coordinate ranges' }, status: :bad_request
       return false
     end
diff --git a/app/javascript/controllers/public_stat_map_controller.js b/app/javascript/controllers/public_stat_map_controller.js
index 6fa576a7..0113a0de 100644
--- a/app/javascript/controllers/public_stat_map_controller.js
+++ b/app/javascript/controllers/public_stat_map_controller.js
@@ -23,7 +23,6 @@ export default class extends BaseController {
   }
 
   disconnect() {
-    // No hexagonGrid to destroy for public sharing
     if (this.map) {
       this.map.remove();
     }
@@ -174,7 +173,6 @@ export default class extends BaseController {
         min_lat: dataBounds.min_lat,
         max_lon: dataBounds.max_lng,
         max_lat: dataBounds.max_lat,
-        h3_resolution: 8,
         start_date: startDate.toISOString(),
         end_date: endDate.toISOString(),
         uuid: this.uuidValue
@@ -320,6 +318,4 @@ export default class extends BaseController {
       layer.setStyle(layer._originalStyle);
     }
   }
-
-
 }
diff --git a/app/models/stat.rb b/app/models/stat.rb
index 24ac4802..38babb8a 100644
--- a/app/models/stat.rb
+++ b/app/models/stat.rb
@@ -56,12 +56,10 @@ class Stat < ApplicationRecord
     sharing_enabled? && !sharing_expired?
   end
 
-  def hexagons_available?(hex_size = 1000)
-    # Check new optimized format (hexagon_centers) first
-    return true if hexagon_centers.present? && hexagon_centers.is_a?(Array) && hexagon_centers.any?
-
-    # Fallback to legacy format (hexagon_data) for backwards compatibility
-    hexagon_data&.dig(hex_size.to_s, 'geojson').present?
+  def hexagons_available?
+    hexagon_centers.present? &&
+      hexagon_centers.is_a?(Array) &&
+      hexagon_centers.any?
   end
 
   def generate_new_sharing_uuid!
diff --git a/app/services/stats/calculate_month.rb b/app/services/stats/calculate_month.rb
index f26a5890..effddff2 100644
--- a/app/services/stats/calculate_month.rb
+++ b/app/services/stats/calculate_month.rb
@@ -91,8 +91,7 @@ class Stats::CalculateMonth
       service = Maps::H3HexagonCenters.new(
         user_id: user.id,
         start_date: start_date_iso8601,
-        end_date: end_date_iso8601,
-        h3_resolution: 8 # Small hexagons for good detail
+        end_date: end_date_iso8601
       )
 
       result = service.call
diff --git a/spec/services/maps/hexagon_polygon_generator_spec.rb b/spec/services/maps/hexagon_polygon_generator_spec.rb
index 0fdea568..ed4c2edb 100644
--- a/spec/services/maps/hexagon_polygon_generator_spec.rb
+++ b/spec/services/maps/hexagon_polygon_generator_spec.rb
@@ -103,8 +103,7 @@ RSpec.describe Maps::HexagonPolygonGenerator do
           center_lng: center_lng,
           center_lat: center_lat,
           size_meters: size_meters,
-          use_h3: true,
-          h3_resolution: 5
+          use_h3: true
         )
       end
 
@@ -145,34 +144,6 @@ RSpec.describe Maps::HexagonPolygonGenerator do
         expect(latitudes.uniq.size).to be > 1 # Should have different latitudes
       end
 
-      context 'with different H3 resolution' do
-        it 'generates different sized hexagons' do
-          low_res_result = described_class.call(
-            center_lng: center_lng,
-            center_lat: center_lat,
-            use_h3: true,
-            h3_resolution: 3
-          )
-
-          high_res_result = described_class.call(
-            center_lng: center_lng,
-            center_lat: center_lat,
-            use_h3: true,
-            h3_resolution: 7
-          )
-
-          # Different resolutions should produce different hexagon sizes
-          low_res_coords = low_res_result['coordinates'].first
-          high_res_coords = high_res_result['coordinates'].first
-
-          # Calculate approximate size by measuring distance between vertices
-          low_res_size = calculate_hexagon_size(low_res_coords)
-          high_res_size = calculate_hexagon_size(high_res_coords)
-
-          expect(low_res_size).to be > high_res_size
-        end
-      end
-
       context 'when H3 operations fail' do
         before do
           allow(H3).to receive(:from_geo_coordinates).and_raise(StandardError, 'H3 error')
@@ -233,4 +204,4 @@ RSpec.describe Maps::HexagonPolygonGenerator do
       Math.sqrt((lng - center_lng)**2 + (lat - center_lat)**2)
     end
   end
-end
\ No newline at end of file
+end