diff --git a/app/(app)/pastel/gradient/page.tsx b/app/(app)/pastel/gradient/page.tsx
index d683b00..30eae63 100644
--- a/app/(app)/pastel/gradient/page.tsx
+++ b/app/(app)/pastel/gradient/page.tsx
@@ -6,7 +6,6 @@ import { PaletteGrid } from '@/components/pastel/color/PaletteGrid';
 import { ExportMenu } from '@/components/pastel/tools/ExportMenu';
 import { Button } from '@/components/ui/Button';
 import { Input } from '@/components/ui/Input';
-import { Select } from '@/components/ui/Select';
 import { useGenerateGradient } from '@/lib/pastel/api/queries';
 import { Loader2, Plus, X } from 'lucide-react';
 import { toast } from 'sonner';
@@ -14,9 +13,6 @@ import { toast } from 'sonner';
 export default function GradientPage() {
   const [stops, setStops] = useState<string[]>(['#ff0099', '#0099ff']);
   const [count, setCount] = useState(10);
-  const [colorspace, setColorspace] = useState<
-    'rgb' | 'hsl' | 'hsv' | 'lab' | 'oklab' | 'lch' | 'oklch'
-  >('lch');
   const [gradient, setGradient] = useState<string[]>([]);
 
   const generateMutation = useGenerateGradient();
@@ -26,7 +22,6 @@ export default function GradientPage() {
       const result = await generateMutation.mutateAsync({
         stops,
         count,
-        colorspace,
       });
       setGradient(result.gradient);
       toast.success(`Generated ${result.gradient.length} colors`);
@@ -111,31 +106,6 @@ export default function GradientPage() {
                   />
                 </div>
 
-                <Select
-                  label="Color Space"
-                  value={colorspace}
-                  onChange={(e) =>
-                    setColorspace(
-                      e.target.value as
-                        | 'rgb'
-                        | 'hsl'
-                        | 'hsv'
-                        | 'lab'
-                        | 'oklab'
-                        | 'lch'
-                        | 'oklch'
-                    )
-                  }
-                >
-                  <option value="rgb">RGB</option>
-                  <option value="hsl">HSL</option>
-                  <option value="hsv">HSV</option>
-                  <option value="lab">Lab</option>
-                  <option value="oklab">OkLab</option>
-                  <option value="lch">LCH</option>
-                  <option value="oklch">OkLCH (Recommended)</option>
-                </Select>
-
                 <Button
                   onClick={handleGenerate}
                   disabled={generateMutation.isPending || stops.length < 2}
diff --git a/lib/pastel/api/types.ts b/lib/pastel/api/types.ts
index 9ace93c..47d8764 100644
--- a/lib/pastel/api/types.ts
+++ b/lib/pastel/api/types.ts
@@ -125,7 +125,6 @@ export interface ColorManipulationData {
 export interface ColorMixRequest {
   colors: string[];
   fraction: number;
-  colorspace?: 'rgb' | 'hsl' | 'hsv' | 'lab' | 'oklab' | 'lch' | 'oklch';
 }
 
 export interface ColorMixData {
@@ -163,13 +162,11 @@ export interface DistinctColorsData {
 export interface GradientRequest {
   stops: string[];
   count: number;
-  colorspace?: 'rgb' | 'hsl' | 'hsv' | 'lab' | 'oklab' | 'lch' | 'oklch';
 }
 
 export interface GradientData {
   stops: string[];
   count: number;
-  colorspace: string;
   gradient: string[];
 }
 
diff --git a/lib/pastel/api/wasm-client.ts b/lib/pastel/api/wasm-client.ts
index 2666414..ca5281d 100644
--- a/lib/pastel/api/wasm-client.ts
+++ b/lib/pastel/api/wasm-client.ts
@@ -313,7 +313,6 @@ export class PastelWASMClient {
         return {
           stops: request.stops,
           count: request.count,
-          colorspace: request.colorspace || 'rgb',
           gradient,
         };
       }
@@ -336,7 +335,6 @@ export class PastelWASMClient {
       return {
         stops: request.stops,
         count: request.count,
-        colorspace: request.colorspace || 'rgb',
         gradient,
       };
     });
@@ -458,7 +456,6 @@ export class PastelWASMClient {
         'colors/names',
       ],
       formats: ['hex', 'rgb', 'hsl', 'hsv', 'lab', 'lch'],
-      color_spaces: ['rgb', 'hsl', 'hsv', 'lab', 'lch'],
       distance_metrics: ['cie76', 'ciede2000'],
       colorblindness_types: ['protanopia', 'deuteranopia', 'tritanopia'],
     }));