diff --git a/src/drivers/Posix/Fl_Posix_System_Driver.H b/src/drivers/Posix/Fl_Posix_System_Driver.H
index 752b54201..c0729894c 100644
--- a/src/drivers/Posix/Fl_Posix_System_Driver.H
+++ b/src/drivers/Posix/Fl_Posix_System_Driver.H
@@ -47,7 +47,6 @@ class Fl_Posix_System_Driver : public Fl_System_Driver
 protected:
   int run_program(const char *program, char **argv, char *msg, int msglen);
 public:
-  Fl_Posix_System_Driver() {}
   virtual int mkdir(const char* f, int mode) {return ::mkdir(f, mode);}
   virtual int open(const char* f, int oflags, int pmode) {
     return pmode == -1 ?  ::open(f, oflags) : ::open(f, oflags, pmode);
diff --git a/src/drivers/Unix/Fl_Unix_System_Driver.H b/src/drivers/Unix/Fl_Unix_System_Driver.H
index 9b1268b57..bf8a174d8 100644
--- a/src/drivers/Unix/Fl_Unix_System_Driver.H
+++ b/src/drivers/Unix/Fl_Unix_System_Driver.H
@@ -2,7 +2,7 @@
 // Definition of Wayland system driver
 // for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 2021 by Bill Spitzak and others.
+// Copyright 2021-2022 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -23,8 +23,6 @@ class Fl_RGB_Image;
 
 class FL_EXPORT Fl_Unix_System_Driver : public Fl_Posix_System_Driver {
 public:
-  Fl_Unix_System_Driver() : Fl_Posix_System_Driver() {
-  }
   virtual int clocale_snprintf(char *output, size_t output_size, const char *format, va_list args);
   virtual int clocale_sscanf(const char *input, const char *format, va_list args);
   virtual int clocale_printf(FILE *output, const char *format, va_list args);
diff --git a/src/drivers/Wayland/Fl_Wayland_System_Driver.H b/src/drivers/Wayland/Fl_Wayland_System_Driver.H
index d117f3823..6b1f1693e 100644
--- a/src/drivers/Wayland/Fl_Wayland_System_Driver.H
+++ b/src/drivers/Wayland/Fl_Wayland_System_Driver.H
@@ -2,7 +2,7 @@
 // Definition of Wayland system driver
 // for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 2010-2021 by Bill Spitzak and others.
+// Copyright 2010-2022 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -22,9 +22,6 @@
 
 class FL_EXPORT Fl_Wayland_System_Driver : public Fl_Unix_System_Driver {
 public:
-  Fl_Wayland_System_Driver() : Fl_Unix_System_Driver() {
-    // Wayland system driver uses the default key table
-  }
   virtual int need_menu_handle_part2() {return 0;}
   int event_key(int k);
   int get_key(int k);