diff --git a/configure b/configure
index 7a1d08dc4a..b4a3488875 100755
--- a/configure
+++ b/configure
@@ -3286,25 +3286,11 @@ fi
 libs_softmmu="$libs_softmmu $fdt_libs"
 
 ##########################################
-# opengl probe (for sdl2, milkymist-tmu2)
-
-# GLX probe, used by milkymist-tmu2
-# this is temporary, code will be switched to egl mid-term.
-cat > $TMPC << EOF
-#include <X11/Xlib.h>
-#include <GL/gl.h>
-#include <GL/glx.h>
-int main(void) { glBegin(0); glXQueryVersion(0,0,0); return 0; }
-EOF
-if compile_prog "" "-lGL -lX11" ; then
-  have_glx=yes
-else
-  have_glx=no
-fi
+# opengl probe (for sdl2, gtk, milkymist-tmu2)
 
 if test "$opengl" != "no" ; then
-  opengl_pkgs="gl glesv2 epoxy egl"
-  if $pkg_config $opengl_pkgs x11 && test "$have_glx" = "yes"; then
+  opengl_pkgs="epoxy"
+  if $pkg_config $opengl_pkgs x11; then
     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
     opengl=yes
diff --git a/hw/display/milkymist-tmu2.c b/hw/display/milkymist-tmu2.c
index 3e1d0b9c20..e2de281768 100644
--- a/hw/display/milkymist-tmu2.c
+++ b/hw/display/milkymist-tmu2.c
@@ -30,8 +30,8 @@
 #include "qemu/error-report.h"
 
 #include <X11/Xlib.h>
-#include <GL/gl.h>
-#include <GL/glx.h>
+#include <epoxy/gl.h>
+#include <epoxy/glx.h>
 
 enum {
     R_CTL = 0,
diff --git a/hw/lm32/milkymist-hw.h b/hw/lm32/milkymist-hw.h
index 8d20cac1db..c8dfb4d2d4 100644
--- a/hw/lm32/milkymist-hw.h
+++ b/hw/lm32/milkymist-hw.h
@@ -88,7 +88,8 @@ static inline DeviceState *milkymist_pfpu_create(hwaddr base,
 
 #ifdef CONFIG_OPENGL
 #include <X11/Xlib.h>
-#include <GL/glx.h>
+#include <epoxy/gl.h>
+#include <epoxy/glx.h>
 static const int glx_fbconfig_attr[] = {
     GLX_GREEN_SIZE, 5,
     GLX_GREEN_SIZE, 6,