diff --git a/hwc3/ComposerClient.cpp b/hwc3/ComposerClient.cpp
index 2efce8f..950e269 100644
--- a/hwc3/ComposerClient.cpp
+++ b/hwc3/ComposerClient.cpp
@@ -744,24 +744,8 @@
     return ToBinderStatus(hwc3::Error::kBadDisplay);
   }
 
-  uint32_t out_num_supported_types = 0;
-  auto error = Hwc2toHwc3Error(
-      display->GetSupportedContentTypes(&out_num_supported_types, nullptr));
-  if (error != hwc3::Error::kNone) {
-    return ToBinderStatus(error);
-  }
-
-  std::vector<uint32_t> out_supported_types(out_num_supported_types);
-  error = Hwc2toHwc3Error(
-      display->GetSupportedContentTypes(&out_num_supported_types,
-                                        out_supported_types.data()));
-  if (error != hwc3::Error::kNone) {
-    return ToBinderStatus(error);
-  }
-
-  for (const auto type : out_supported_types) {
-    types->push_back(Hwc2ContentTypeToHwc3(type));
-  }
+  // Support for ContentType is not implemented.
+  types->clear();
   return ndk::ScopedAStatus::ok();
 }
 
@@ -885,8 +869,10 @@
     return ToBinderStatus(hwc3::Error::kBadDisplay);
   }
 
-  auto error = display->SetContentType(Hwc3ContentTypeToHwc2(type));
-  return ToBinderStatus(Hwc2toHwc3Error(error));
+  if (type == ContentType::NONE) {
+    return ndk::ScopedAStatus::ok();
+  }
+  return ToBinderStatus(hwc3::Error::kUnsupported);
 }
 
 ndk::ScopedAStatus ComposerClient::setDisplayedContentSamplingEnabled(
diff --git a/hwc3/Utils.h b/hwc3/Utils.h
index 2e21b97..0be4368 100644
--- a/hwc3/Utils.h
+++ b/hwc3/Utils.h
@@ -153,20 +153,6 @@
   return static_cast<int32_t>(render_intent);
 }
 
-// Content type matches, so static_cast is safe.
-// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/ContentType.aidl
-// https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;l=350;drc=1a0e4a1698c7b080d6763cef9e16592bce75967e
-inline ContentType Hwc2ContentTypeToHwc3(uint32_t content_type) {
-  if (content_type > HWC2_CONTENT_TYPE_GAME) {
-    ALOGE("Unknown HWC2 content type. Could not translate: %d", content_type);
-    return ContentType::NONE;
-  }
-  return static_cast<ContentType>(content_type);
-}
-inline int32_t Hwc3ContentTypeToHwc2(ContentType content_type) {
-  return static_cast<int32_t>(content_type);
-}
-
 // Values match, so it's safe to do static_cast.
 // https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayAttribute.aidl
 // https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;l=58;drc=d783cabd4d9bddb4b83f2dd38300b7598bb58b24