diff --git a/lldb/include/lldb/Target/Trace.h b/lldb/include/lldb/Target/Trace.h
--- a/lldb/include/lldb/Target/Trace.h
+++ b/lldb/include/lldb/Target/Trace.h
@@ -253,7 +253,7 @@
   /// \return
   ///     A vector of bytes with the requested data, or an \a llvm::Error in
   ///     case of failures.
-  llvm::Expected<llvm::ArrayRef<uint8_t>>
+  llvm::Expected<std::vector<uint8_t>>
   GetLiveThreadBinaryData(lldb::tid_t tid, llvm::StringRef kind);
 
   /// Get binary data of the current process given a data identifier.
@@ -264,7 +264,7 @@
   /// \return
   ///     A vector of bytes with the requested data, or an \a llvm::Error in
   ///     case of failures.
-  llvm::Expected<llvm::ArrayRef<uint8_t>>
+  llvm::Expected<std::vector<uint8_t>>
   GetLiveProcessBinaryData(llvm::StringRef kind);
 
   /// Get the size of the data returned by \a GetLiveThreadBinaryData
diff --git a/lldb/source/Target/Trace.cpp b/lldb/source/Target/Trace.cpp
--- a/lldb/source/Target/Trace.cpp
+++ b/lldb/source/Target/Trace.cpp
@@ -142,7 +142,7 @@
   return data_it->second;
 }
 
-Expected<ArrayRef<uint8_t>>
+Expected<std::vector<uint8_t>>
 Trace::GetLiveThreadBinaryData(lldb::tid_t tid, llvm::StringRef kind) {
   if (!m_live_process)
     return createStringError(inconvertibleErrorCode(),
@@ -160,7 +160,7 @@
   return m_live_process->TraceGetBinaryData(request);
 }
 
-Expected<ArrayRef<uint8_t>>
+Expected<std::vector<uint8_t>>
 Trace::GetLiveProcessBinaryData(llvm::StringRef kind) {
   if (!m_live_process)
     return createStringError(inconvertibleErrorCode(),