diff --git a/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/types.h b/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/types.h
index c38e674..b9f3aa8 100644
--- a/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/types.h
+++ b/media/codec2/hidl/1.0/utils/include/codec2/hidl/1.0/types.h
@@ -120,11 +120,9 @@
         IComponentStore::ComponentTraits* d,
         const C2Component::Traits& s);
 
-// ComponentTraits -> C2Component::Traits, std::unique_ptr<std::vector<std::string>>
-// Note: The output d is only valid as long as aliasesBuffer remains alive.
+// ComponentTraits -> C2Component::Traits
 bool objcpy(
         C2Component::Traits* d,
-        std::unique_ptr<std::vector<std::string>>* aliasesBuffer,
         const IComponentStore::ComponentTraits& s);
 
 // C2StructDescriptor -> StructDescriptor
diff --git a/media/codec2/hidl/1.0/utils/types.cpp b/media/codec2/hidl/1.0/utils/types.cpp
index caed839..02cdc23 100644
--- a/media/codec2/hidl/1.0/utils/types.cpp
+++ b/media/codec2/hidl/1.0/utils/types.cpp
@@ -351,7 +351,6 @@
 // ComponentTraits -> C2Component::Traits, std::unique_ptr<std::vector<std::string>>
 bool objcpy(
         C2Component::Traits* d,
-        std::unique_ptr<std::vector<std::string>>* aliasesBuffer,
         const IComponentStore::ComponentTraits& s) {
     d->name = s.name.c_str();
 
@@ -394,15 +393,9 @@
 
     d->rank = static_cast<C2Component::rank_t>(s.rank);
     d->mediaType = s.mediaType.c_str();
-
-    // aliasesBuffer must not be resized after this.
-    *aliasesBuffer = std::make_unique<std::vector<std::string>>(
-            s.aliases.size());
-    (*aliasesBuffer)->resize(s.aliases.size());
-    std::vector<C2StringLiteral> dAliases(s.aliases.size());
+    d->aliases.resize(s.aliases.size());
     for (size_t i = 0; i < s.aliases.size(); ++i) {
-        (**aliasesBuffer)[i] = s.aliases[i].c_str();
-        d->aliases[i] = (**aliasesBuffer)[i].c_str();
+        d->aliases[i] = s.aliases[i];
     }
     return true;
 }
diff --git a/media/codec2/hidl/client/client.cpp b/media/codec2/hidl/client/client.cpp
index 5b52fcd..458f675 100644
--- a/media/codec2/hidl/client/client.cpp
+++ b/media/codec2/hidl/client/client.cpp
@@ -579,9 +579,8 @@
                     return;
                 }
                 mTraitsList.resize(t.size());
-                mAliasesBuffer.resize(t.size());
                 for (size_t i = 0; i < t.size(); ++i) {
-                    if (!objcpy(&mTraitsList[i], &mAliasesBuffer[i], t[i])) {
+                    if (!objcpy(&mTraitsList[i], t[i])) {
                         LOG(ERROR) << "listComponents -- corrupted output.";
                         return;
                     }
diff --git a/media/codec2/hidl/client/include/codec2/hidl/client.h b/media/codec2/hidl/client/include/codec2/hidl/client.h
index f320ef3..8f06512 100644
--- a/media/codec2/hidl/client/include/codec2/hidl/client.h
+++ b/media/codec2/hidl/client/include/codec2/hidl/client.h
@@ -232,8 +232,6 @@
     mutable bool mListed;
     std::string mServiceName;
     mutable std::vector<C2Component::Traits> mTraitsList;
-    mutable std::vector<std::unique_ptr<std::vector<std::string>>>
-            mAliasesBuffer;
 
     sp<::android::hardware::media::bufferpool::V2_0::IClientManager>
             mHostPoolManager;