diff --git a/eeschema/connection_graph.cpp b/eeschema/connection_graph.cpp
index 5f76091db9..89bed3959a 100644
--- a/eeschema/connection_graph.cpp
+++ b/eeschema/connection_graph.cpp
@@ -855,12 +855,12 @@ void CONNECTION_GRAPH::buildConnectionGraph()
         if( m_global_label_cache.count( name )  ||
                 ( m_local_label_cache.count( std::make_pair( subgraph->m_sheet, local_name ) ) ) )
         {
-            auto new_name = wxString::Format( _( "%s%u" ), name, suffix );
+            auto new_name = wxString::Format( "%s%u", name, suffix );
 
             wxLogTrace( "CONN", "Subgraph %ld default name %s conflicts with a label. Changing to %s.",
                         subgraph->m_code, name, new_name );
 
-            conn->SetSuffix( wxString::Format( _( "%u" ), suffix ) );
+            conn->SetSuffix( wxString::Format( "%u", suffix ) );
             suffix++;
             name = new_name;
         }
@@ -883,13 +883,13 @@ void CONNECTION_GRAPH::buildConnectionGraph()
 
             if( check_name == name )
             {
-                auto new_name = wxString::Format( _( "%s%u" ), name, suffix );
+                auto new_name = wxString::Format( "%s%u", name, suffix );
 
                 wxLogTrace( "CONN", "Subgraph %ld and %ld both have name %s. Changing %ld to %s.",
                             subgraph->m_code, candidate->m_code, name,
                             candidate->m_code, new_name );
 
-                c_conn->SetSuffix( wxString::Format( _( "%u" ), suffix ) );
+                c_conn->SetSuffix( wxString::Format( "%u", suffix ) );
 
                 candidate->m_dirty = false;
                 suffix++;
diff --git a/eeschema/sch_connection.cpp b/eeschema/sch_connection.cpp
index 4592471a6f..9da150ce35 100644
--- a/eeschema/sch_connection.cpp
+++ b/eeschema/sch_connection.cpp
@@ -329,24 +329,25 @@ void SCH_CONNECTION::AppendDebugInfoToMsgPanel( MSG_PANEL_ITEMS& aList ) const
     if( !ADVANCED_CFG::GetCfg().m_realTimeConnectivity )
         return;
 
+    // These messages are not flagged as translatable, because they are only debug messges
     wxString msg;
 
     AppendInfoToMsgPanel( aList );
 
     msg.Printf( "%d", m_bus_code );
-    aList.push_back( MSG_PANEL_ITEM( _( "Bus Code" ), msg, BROWN ) );
+    aList.push_back( MSG_PANEL_ITEM( "Bus Code", msg, BROWN ) );
 
     msg.Printf( "%d", m_subgraph_code );
-    aList.push_back( MSG_PANEL_ITEM( _( "Subgraph Code" ), msg, BROWN ) );
+    aList.push_back( MSG_PANEL_ITEM( "Subgraph Code", msg, BROWN ) );
 
     if( auto driver = Driver() )
     {
         msg.Printf( "%s at %p", driver->GetSelectMenuText( MILLIMETRES ), driver );
-        aList.push_back( MSG_PANEL_ITEM( _( "Connection Source" ), msg, RED ) );
+        aList.push_back( MSG_PANEL_ITEM( "Connection Source", msg, RED ) );
     }
 
     msg.Printf( "%s at %p", Parent()->GetSelectMenuText( MILLIMETRES ), Parent() );
-    aList.push_back( MSG_PANEL_ITEM( _( "Attached To" ), msg, RED ) );
+    aList.push_back( MSG_PANEL_ITEM( "Attached To", msg, RED ) );
 }
 
 
diff --git a/eeschema/sch_pin.cpp b/eeschema/sch_pin.cpp
index 301b11f4f9..681621280e 100644
--- a/eeschema/sch_pin.cpp
+++ b/eeschema/sch_pin.cpp
@@ -49,13 +49,13 @@ wxString SCH_PIN::GetSelectMenuText( EDA_UNITS_T aUnits ) const
     wxString tmp;
 
 #ifdef DEBUG
-    tmp.Printf( _( "SCH_PIN for %s %s" ),
-                GetChars( m_comp->GetSelectMenuText( aUnits ) ),
-                GetChars( m_pin->GetSelectMenuText( aUnits ) ) );
+    tmp.Printf( "SCH_PIN for %s %s",
+                m_comp->GetSelectMenuText( aUnits ),
+                m_pin->GetSelectMenuText( aUnits ) );
 #else
-    tmp.Printf( _( "%s %s" ),
-                GetChars( m_comp->GetSelectMenuText( aUnits ) ),
-                GetChars( m_pin->GetSelectMenuText( aUnits ) ) );
+    tmp.Printf( "%s %s",
+                m_comp->GetSelectMenuText( aUnits ),
+               m_pin->GetSelectMenuText( aUnits ) );
 #endif
 
     return tmp;
@@ -72,7 +72,7 @@ wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH aPath )
     if( m_net_name_map.count( aPath ) > 0 )
         return m_net_name_map.at( aPath );
 
-    wxString name = wxT( "Net-(" );
+    wxString name = "Net-(";
 
     name << m_comp->GetRef( &aPath );
 
@@ -80,7 +80,7 @@ wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH aPath )
     if( /* adoptTimestamp && */ name.Last() == '?' )
         name << m_comp->GetTimeStamp();
 
-    name << _( "-Pad" ) << m_pin->GetNumber() << _( ")" );
+    name << "-Pad" << m_pin->GetNumber() << ")";
 
     m_net_name_map[ aPath ] = name;
 
diff --git a/eeschema/sch_text.cpp b/eeschema/sch_text.cpp
index 14eb355acd..b1cbce6fcf 100644
--- a/eeschema/sch_text.cpp
+++ b/eeschema/sch_text.cpp
@@ -647,7 +647,7 @@ void SCH_TEXT::GetMsgPanelInfo( EDA_UNITS_T aUnits, MSG_PANEL_ITEMS& aList )
     }
 
     msg.Printf( "%p", this );
-    aList.push_back( MSG_PANEL_ITEM( _( "Object Address" ), msg, RED ) );
+    aList.push_back( MSG_PANEL_ITEM( "Object Address", msg, RED ) );
 
 #endif
 }
diff --git a/pcbnew/menubar_pcb_editor.cpp b/pcbnew/menubar_pcb_editor.cpp
index 7601e65db7..48410ee668 100644
--- a/pcbnew/menubar_pcb_editor.cpp
+++ b/pcbnew/menubar_pcb_editor.cpp
@@ -871,7 +871,7 @@ void prepareFilesMenu( wxMenu* aParentMenu, bool aIsOutsideProject )
 
     AddMenuItem( fabricationOutputsMenu, ID_PCB_GEN_DRILL_FILE,
                  _( "&Drill Files (.drl)..." ),
-                 _( "Generate excellon2 drill file(s)" ),
+                 _( "Generate Excellon drill file(s)" ),
                  KiBitmap( post_drill_xpm ) );
 
     AddMenuItem( fabricationOutputsMenu, ID_PCB_GEN_POS_MODULES_FILE,
diff --git a/pcbnew/toolbars_update_user_interface.cpp b/pcbnew/toolbars_update_user_interface.cpp
index fd63215dbd..2fa53c2abb 100644
--- a/pcbnew/toolbars_update_user_interface.cpp
+++ b/pcbnew/toolbars_update_user_interface.cpp
@@ -153,8 +153,8 @@ void PCB_EDIT_FRAME::OnUpdateCurvedRatsnest( wxUpdateUIEvent& aEvent )
     aEvent.Check( displ_opts->m_DisplayRatsnestLinesCurved );
     m_optionsToolBar->SetToolShortHelp( ID_TB_OPTIONS_CURVED_RATSNEST_LINES,
                                         !displ_opts->m_DisplayRatsnestLinesCurved ?
-                                        _( "Show ratlines as curves" ) :
-                                        _( "Show ratlines as straight lines" ) );
+                                        _( "Show airwires as curves" ) :
+                                        _( "Show airwires as straight lines" ) );
 }