diff --git a/src/AudacityLogger.cpp b/src/AudacityLogger.cpp
index 14ec64d36..56c66f475 100644
--- a/src/AudacityLogger.cpp
+++ b/src/AudacityLogger.cpp
@@ -26,6 +26,7 @@ Provides thread-safe logging based on the wxWidgets log facility.
 #include <mutex>
 #include <wx/filedlg.h>
 #include <wx/log.h>
+#include <wx/ffile.h>
 #include <wx/frame.h>
 #include <wx/icon.h>
 #include <wx/settings.h>
@@ -110,7 +111,7 @@ void AudacityLogger::DoLogText(const wxString & str)
    }
 }
 
-bool AudacityLogger::SaveLog(const FilePath &fileName) const
+bool AudacityLogger::SaveLog(const wxString &fileName) const
 {
    wxFFile file(fileName, wxT("w"));
 
diff --git a/src/AudacityLogger.h b/src/AudacityLogger.h
index 35a4cf71f..9bae125c6 100644
--- a/src/AudacityLogger.h
+++ b/src/AudacityLogger.h
@@ -33,7 +33,7 @@ class AudacityLogger final : public wxEvtHandler, public wxLog {
 
    void Show(bool show = true);
 
-   bool SaveLog(const FilePath &fileName) const;
+   bool SaveLog(const wxString &fileName) const;
 
 #if defined(EXPERIMENTAL_CRASH_REPORT)
    wxString GetLog();
diff --git a/src/BatchCommands.cpp b/src/BatchCommands.cpp
index 332ecfdbf..b767cf284 100644
--- a/src/BatchCommands.cpp
+++ b/src/BatchCommands.cpp
@@ -20,8 +20,10 @@ processing.  See also MacrosWindow and ApplyMacroDialog.
 #include "BatchCommands.h"
 
 #include <wx/defs.h>
+#include <wx/datetime.h>
 #include <wx/dir.h>
 #include <wx/textfile.h>
+#include <wx/time.h>
 
 #include "Project.h"
 #include "ProjectAudioManager.h"