diff --git a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
index 1c0c2f8f3a3..1f75e99841b 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
@@ -108,13 +108,10 @@ internal void ClearCache()
             var desc = m_Cache.descriptor;
             bool isMipped = desc.useMipMap;
             int mipCount = isMipped ? GetNumMips(desc.width, desc.height) : 1;
-            for (int depthSlice = 0; depthSlice < desc.volumeDepth; ++depthSlice)
+            for (int mipIdx = 0; mipIdx < mipCount; ++mipIdx)
             {
-                for (int mipIdx = 0; mipIdx < mipCount; ++mipIdx)
-                {
-                    Graphics.SetRenderTarget(m_Cache, mipIdx, CubemapFace.Unknown, depthSlice);
-                    GL.Clear(false, true, Color.clear);
-                }
+                Graphics.SetRenderTarget(m_Cache, mipIdx, CubemapFace.Unknown, -1);
+                GL.Clear(false, true, Color.clear);
             }
         }
 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCacheCubemap.cs b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCacheCubemap.cs
index 219b153c098..c9b5fb056af 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCacheCubemap.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCacheCubemap.cs
@@ -162,16 +162,10 @@ internal void ClearCache()
             var desc = m_Cache.descriptor;
             bool isMipped = desc.useMipMap;
             int mipCount = isMipped ? GetNumMips(desc.width, desc.height) : 1;
-            for (int depthSlice = 0; depthSlice < desc.volumeDepth; ++depthSlice)
+            for (int mipIdx = 0; mipIdx < mipCount; ++mipIdx)
             {
-                for (int mipIdx = 0; mipIdx < mipCount; ++mipIdx)
-                {
-                    for (int faceIdx = 0; faceIdx < 6; ++faceIdx)
-                    {
-                        Graphics.SetRenderTarget(m_Cache, mipIdx, (CubemapFace)faceIdx, depthSlice);
-                        GL.Clear(false, true, Color.clear);
-                    }
-                }
+                Graphics.SetRenderTarget(m_Cache, mipIdx, CubemapFace.Unknown, -1);
+                GL.Clear(false, true, Color.clear);
             }
         }