diff --git a/src/platform/graphics/constants.js b/src/platform/graphics/constants.js
index 547767cc1d1..8b591299e4e 100644
--- a/src/platform/graphics/constants.js
+++ b/src/platform/graphics/constants.js
@@ -971,38 +971,6 @@ export const PIXELFORMAT_DXT3_SRGBA = 55;
  */
 export const PIXELFORMAT_DXT5_SRGBA = 56;
 
-/**
- * Format equivalent to {@link PIXELFORMAT_PVRTC_2BPP_RGB_1} but sampled in linear color space.
- *
- * @type {number}
- * @category Graphics
- */
-export const PIXELFORMAT_PVRTC_2BPP_SRGB_1 = 57;
-
-/**
- * Format equivalent to {@link PIXELFORMAT_PVRTC_2BPP_RGBA_1} but sampled in linear color space.
- *
- * @type {number}
- * @category Graphics
- */
-export const PIXELFORMAT_PVRTC_2BPP_SRGBA_1 = 58;
-
-/**
- * Format equivalent to {@link PIXELFORMAT_PVRTC_4BPP_RGB_1} but sampled in linear color space.
- *
- * @type {number}
- * @category Graphics
- */
-export const PIXELFORMAT_PVRTC_4BPP_SRGB_1 = 59;
-
-/**
- * Format equivalent to {@link PIXELFORMAT_PVRTC_4BPP_RGBA_1} but sampled in linear color space.
- *
- * @type {number}
- * @category Graphics
- */
-export const PIXELFORMAT_PVRTC_4BPP_SRGBA_1 = 60;
-
 /**
  * Format equivalent to {@link PIXELFORMAT_ETC2_RGB} but sampled in linear color space.
  *
@@ -1123,10 +1091,10 @@ export const pixelFormatInfo = new Map([
     [PIXELFORMAT_ETC1,              { name: 'ETC1', blockSize: 8, ldr: true }],
     [PIXELFORMAT_ETC2_RGB,          { name: 'ETC2_RGB', blockSize: 8, ldr: true, srgbFormat: PIXELFORMAT_ETC2_SRGB }],
     [PIXELFORMAT_ETC2_RGBA,         { name: 'ETC2_RGBA', blockSize: 16, ldr: true, srgbFormat: PIXELFORMAT_ETC2_SRGBA }],
-    [PIXELFORMAT_PVRTC_2BPP_RGB_1,  { name: 'PVRTC_2BPP_RGB_1', ldr: true, blockSize: 8, srgbFormat: PIXELFORMAT_PVRTC_2BPP_SRGB_1 }],
-    [PIXELFORMAT_PVRTC_2BPP_RGBA_1, { name: 'PVRTC_2BPP_RGBA_1', ldr: true, blockSize: 8, srgbFormat: PIXELFORMAT_PVRTC_2BPP_SRGBA_1 }],
-    [PIXELFORMAT_PVRTC_4BPP_RGB_1,  { name: 'PVRTC_4BPP_RGB_1', ldr: true, blockSize: 8, srgbFormat: PIXELFORMAT_PVRTC_4BPP_SRGB_1 }],
-    [PIXELFORMAT_PVRTC_4BPP_RGBA_1, { name: 'PVRTC_4BPP_RGBA_1', ldr: true, blockSize: 8, srgbFormat: PIXELFORMAT_PVRTC_4BPP_SRGBA_1 }],
+    [PIXELFORMAT_PVRTC_2BPP_RGB_1,  { name: 'PVRTC_2BPP_RGB_1', ldr: true, blockSize: 8 }],
+    [PIXELFORMAT_PVRTC_2BPP_RGBA_1, { name: 'PVRTC_2BPP_RGBA_1', ldr: true, blockSize: 8 }],
+    [PIXELFORMAT_PVRTC_4BPP_RGB_1,  { name: 'PVRTC_4BPP_RGB_1', ldr: true, blockSize: 8 }],
+    [PIXELFORMAT_PVRTC_4BPP_RGBA_1, { name: 'PVRTC_4BPP_RGBA_1', ldr: true, blockSize: 8 }],
     [PIXELFORMAT_ASTC_4x4,          { name: 'ASTC_4x4', blockSize: 16, ldr: true, srgbFormat: PIXELFORMAT_ASTC_4x4_SRGB }],
     [PIXELFORMAT_ATC_RGB,           { name: 'ATC_RGB', blockSize: 8, ldr: true }],
     [PIXELFORMAT_ATC_RGBA,          { name: 'ATC_RGBA', blockSize: 16, ldr: true }],
@@ -1138,10 +1106,6 @@ export const pixelFormatInfo = new Map([
     [PIXELFORMAT_DXT1_SRGB,          { name: 'DXT1_SRGB', blockSize: 8, ldr: true, srgb: true }],
     [PIXELFORMAT_DXT3_SRGBA,         { name: 'DXT3_SRGBA', blockSize: 16, ldr: true, srgb: true }],
     [PIXELFORMAT_DXT5_SRGBA,         { name: 'DXT5_SRGBA', blockSize: 16, ldr: true, srgb: true }],
-    [PIXELFORMAT_PVRTC_2BPP_SRGB_1,  { name: 'PVRTC_2BPP_SRGB_1', blockSize: 8, ldr: true, srgb: true }],
-    [PIXELFORMAT_PVRTC_2BPP_SRGBA_1, { name: 'PVRTC_2BPP_SRGBA_1', blockSize: 8, ldr: true, srgb: true }],
-    [PIXELFORMAT_PVRTC_4BPP_SRGB_1,  { name: 'PVRTC_4BPP_SRGB_1', blockSize: 8, ldr: true, srgb: true }],
-    [PIXELFORMAT_PVRTC_4BPP_SRGBA_1, { name: 'PVRTC_4BPP_SRGBA_1', blockSize: 8, ldr: true, srgb: true }],
     [PIXELFORMAT_ETC2_SRGB,          { name: 'ETC2_SRGB', blockSize: 8, ldr: true, srgb: true }],
     [PIXELFORMAT_ETC2_SRGBA,         { name: 'ETC2_SRGBA', blockSize: 16, ldr: true, srgb: true }],
     [PIXELFORMAT_ASTC_4x4_SRGB,      { name: 'ASTC_4x4_SRGB', blockSize: 16, ldr: true, srgb: true }],
diff --git a/src/platform/graphics/webgl/webgl-texture.js b/src/platform/graphics/webgl/webgl-texture.js
index c40c5b43418..45f24d2ac3a 100644
--- a/src/platform/graphics/webgl/webgl-texture.js
+++ b/src/platform/graphics/webgl/webgl-texture.js
@@ -10,8 +10,7 @@ import {
     PIXELFORMAT_R32I, PIXELFORMAT_R32U, PIXELFORMAT_RG16I, PIXELFORMAT_RG16U, PIXELFORMAT_RG32I, PIXELFORMAT_RG32U,
     PIXELFORMAT_RG8I, PIXELFORMAT_RG8U, PIXELFORMAT_RGBA16I, PIXELFORMAT_RGBA16U, PIXELFORMAT_RGBA32I, PIXELFORMAT_RGBA32U,
     PIXELFORMAT_RGBA8I, PIXELFORMAT_RGBA8U, PIXELFORMAT_R16F, PIXELFORMAT_RG16F, PIXELFORMAT_R8, PIXELFORMAT_RG8,
-    PIXELFORMAT_DXT1_SRGB, PIXELFORMAT_DXT3_SRGBA, PIXELFORMAT_DXT5_SRGBA, PIXELFORMAT_PVRTC_2BPP_SRGB_1,
-    PIXELFORMAT_PVRTC_2BPP_SRGBA_1, PIXELFORMAT_PVRTC_4BPP_SRGB_1, PIXELFORMAT_PVRTC_4BPP_SRGBA_1,
+    PIXELFORMAT_DXT1_SRGB, PIXELFORMAT_DXT3_SRGBA, PIXELFORMAT_DXT5_SRGBA,
     PIXELFORMAT_ETC2_SRGB, PIXELFORMAT_ETC2_SRGBA, PIXELFORMAT_ASTC_4x4_SRGB, PIXELFORMAT_SBGRA8,
     PIXELFORMAT_BC6F, PIXELFORMAT_BC6UF, PIXELFORMAT_BC7, PIXELFORMAT_BC7_SRGBA,
     PIXELFORMAT_DEPTH16
@@ -252,22 +251,6 @@ class WebglTexture {
                 this._glFormat = gl.SRGB_ALPHA;
                 this._glInternalFormat = device.extCompressedTextureS3TC_SRGB.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
                 break;
-            case PIXELFORMAT_PVRTC_2BPP_SRGB_1:
-                this._glFormat = gl.SRGB;
-                this._glInternalFormat = device.extCompressedTexturePVRTC.COMPRESSED_SRGB_PVRTC_2BPPV1_EXT;
-                break;
-            case PIXELFORMAT_PVRTC_2BPP_SRGBA_1:
-                this._glFormat = gl.SRGB_ALPHA;
-                this._glInternalFormat = device.extCompressedTexturePVRTC.COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT;
-                break;
-            case PIXELFORMAT_PVRTC_4BPP_SRGB_1:
-                this._glFormat = gl.SRGB;
-                this._glInternalFormat = device.extCompressedTexturePVRTC.COMPRESSED_SRGB_PVRTC_4BPPV1_EXT;
-                break;
-            case PIXELFORMAT_PVRTC_4BPP_SRGBA_1:
-                this._glFormat = gl.SRGB_ALPHA;
-                this._glInternalFormat = device.extCompressedTexturePVRTC.COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT;
-                break;
             case PIXELFORMAT_ETC2_SRGB:
                 this._glFormat = gl.RGB;
                 this._glInternalFormat = device.extCompressedTextureETC.COMPRESSED_RGB8_ETC2;
diff --git a/src/platform/graphics/webgpu/constants.js b/src/platform/graphics/webgpu/constants.js
index faaef6b9341..317a0229dd0 100644
--- a/src/platform/graphics/webgpu/constants.js
+++ b/src/platform/graphics/webgpu/constants.js
@@ -9,8 +9,7 @@ import {
     PIXELFORMAT_R32I, PIXELFORMAT_R32U, PIXELFORMAT_RG16I, PIXELFORMAT_RG16U, PIXELFORMAT_RG32I, PIXELFORMAT_RG32U,
     PIXELFORMAT_RG8I, PIXELFORMAT_RG8U, PIXELFORMAT_RGBA16I, PIXELFORMAT_RGBA16U, PIXELFORMAT_RGBA32I, PIXELFORMAT_RGBA32U,
     PIXELFORMAT_RGBA8I, PIXELFORMAT_RGBA8U, PIXELFORMAT_R16F, PIXELFORMAT_RG16F, PIXELFORMAT_R8, PIXELFORMAT_RG8,
-    PIXELFORMAT_DXT1_SRGB, PIXELFORMAT_DXT3_SRGBA, PIXELFORMAT_DXT5_SRGBA, PIXELFORMAT_PVRTC_2BPP_SRGB_1,
-    PIXELFORMAT_PVRTC_2BPP_SRGBA_1, PIXELFORMAT_PVRTC_4BPP_SRGB_1, PIXELFORMAT_PVRTC_4BPP_SRGBA_1,
+    PIXELFORMAT_DXT1_SRGB, PIXELFORMAT_DXT3_SRGBA, PIXELFORMAT_DXT5_SRGBA,
     PIXELFORMAT_ETC2_SRGB, PIXELFORMAT_ETC2_SRGBA, PIXELFORMAT_SBGRA8,
     PIXELFORMAT_BC6F, PIXELFORMAT_BC6UF, PIXELFORMAT_BC7, PIXELFORMAT_BC7_SRGBA,
     PIXELFORMAT_ASTC_4x4_SRGB,
@@ -83,10 +82,6 @@ gpuTextureFormats[PIXELFORMAT_BC7] = 'bc7-rgba-unorm';
 gpuTextureFormats[PIXELFORMAT_DXT1_SRGB] = 'bc1-rgba-unorm-srgb';
 gpuTextureFormats[PIXELFORMAT_DXT3_SRGBA] = 'bc2-rgba-unorm-srgb';
 gpuTextureFormats[PIXELFORMAT_DXT5_SRGBA] = 'bc3-rgba-unorm-srgb';
-gpuTextureFormats[PIXELFORMAT_PVRTC_2BPP_SRGB_1] = '';
-gpuTextureFormats[PIXELFORMAT_PVRTC_2BPP_SRGBA_1] = '';
-gpuTextureFormats[PIXELFORMAT_PVRTC_4BPP_SRGB_1] = '';
-gpuTextureFormats[PIXELFORMAT_PVRTC_4BPP_SRGBA_1] = '';
 gpuTextureFormats[PIXELFORMAT_ETC2_SRGB] = 'etc2-rgb8unorm-srgb';
 gpuTextureFormats[PIXELFORMAT_ETC2_SRGBA] = 'etc2-rgba8unorm-srgb';
 gpuTextureFormats[PIXELFORMAT_BC7_SRGBA] = 'bc7-rgba-unorm-srgb';