diff --git a/aegisub/m4macros/ax_check_gl.m4 b/aegisub/m4macros/ax_check_gl.m4
index 6820145f7..35306642f 100644
--- a/aegisub/m4macros/ax_check_gl.m4
+++ b/aegisub/m4macros/ax_check_gl.m4
@@ -130,7 +130,7 @@ AS_IF([test "X$ax_cv_check_gl_libgl" != Xno],
                              [ax_cv_check_gl_libgl=no])])])
 
 LIBS=$ax_save_LIBS
-AS_IF([test "X$ax_cv_check_gl_libgl" = Xno -a X$no_x = Xyes],
+AS_IF([test "X$ax_cv_check_gl_libgl" = Xno],
       [LDFLAGS="$ax_save_LDFLAGS -framework OpenGL"
       AC_LINK_IFELSE([AX_CHECK_GL_PROGRAM],
                      [ax_cv_check_gl_libgl='-framework OpenGL'])])