diff --git a/common/api/api_plugin_manager.cpp b/common/api/api_plugin_manager.cpp
index d5066537de..2b3d3fdf43 100644
--- a/common/api/api_plugin_manager.cpp
+++ b/common/api/api_plugin_manager.cpp
@@ -44,7 +44,9 @@ wxDEFINE_EVENT( EDA_EVT_PLUGIN_AVAILABILITY_CHANGED, wxCommandEvent );
 
 API_PLUGIN_MANAGER::API_PLUGIN_MANAGER( wxEvtHandler* aEvtHandler ) :
         wxEvtHandler(),
-        m_parent( aEvtHandler )
+        m_parent( aEvtHandler ),
+        m_lastPid( 0 ),
+        m_raiseTimer( nullptr )
 {
     // Read and store pcm schema
     wxFileName schemaFile( PATHS::GetStockDataPath( true ), wxS( "api.v1.schema.json" ) );
diff --git a/common/locale_io.cpp b/common/locale_io.cpp
index ce3721ee8a..baca6c4a90 100644
--- a/common/locale_io.cpp
+++ b/common/locale_io.cpp
@@ -80,7 +80,8 @@ void KiAssertFilter( const wxString &file, int line,
 // allow for nesting of LOCALE_IO instantiations
 static std::atomic<unsigned int> locale_count( 0 );
 
-LOCALE_IO::LOCALE_IO()
+LOCALE_IO::LOCALE_IO() :
+        m_wxLocale( nullptr )
 {
     // use thread safe, atomic operation
     if( locale_count++ == 0 )
diff --git a/include/api/api_plugin_manager.h b/include/api/api_plugin_manager.h
index d874d80b5a..6fa530daaf 100644
--- a/include/api/api_plugin_manager.h
+++ b/include/api/api_plugin_manager.h
@@ -103,4 +103,7 @@ private:
     std::deque<JOB> m_jobs;
 
     std::unique_ptr<JSON_SCHEMA_VALIDATOR> m_schema_validator;
+
+    [[maybe_unused]] long     m_lastPid;
+    [[maybe_unused]] wxTimer* m_raiseTimer;
 };