It is time.

tools/xdisplaycheck/xdisplaycheck.cc

Index: tools/xdisplaycheck/xdisplaycheck.cc
diff --git a/tools/xdisplaycheck/xdisplaycheck.cc b/tools/xdisplaycheck/xdisplaycheck.cc
index 6623153a846c06f5d618df5223682e77baff3e90..a5a447c11120b12dfe376730adcac5b1d2130b9b 100644
--- a/tools/xdisplaycheck/xdisplaycheck.cc
+++ b/tools/xdisplaycheck/xdisplaycheck.cc
@@ -16,10 +16,6 @@
 #include <time.h>
 #include <X11/Xlib.h>
 
-#if defined(USE_AURA)
-#include <X11/extensions/XInput2.h>
-#endif
-
 void Sleep(int duration_ms) {
   struct timespec sleep_time, remaining;
 
@@ -77,33 +73,6 @@ int main(int argc, char* argv[]) {
 
   fprintf(stderr, "Connected after %d retries\n", tries);
 
-#if defined(USE_AURA)
-  // Check for XInput2
-  int opcode, event, err;
-  if (!XQueryExtension(scoped_display.display(), "XInputExtension", &opcode,
-                       &event, &err)) {
-    fprintf(stderr,
-        "Failed to get XInputExtension on %s.\n", XDisplayName(NULL));
-    return -2;
-  }
-
-  int major = 2, minor = 0;
-  if (XIQueryVersion(scoped_display.display(), &major, &minor) == BadRequest) {
-    fprintf(stderr,
-        "Server does not have XInput2 on %s.\n", XDisplayName(NULL));
-    return -3;
-  }
-
-  // Ask for the list of devices. This can cause some Xvfb to crash.
-  int count = 0;
-  XIDeviceInfo* devices =
-      XIQueryDevice(scoped_display.display(), XIAllDevices, &count);
-  if (devices)
-    XIFreeDeviceInfo(devices);
-
-  fprintf(stderr,
-      "XInput2 verified initially sane on %s.\n", XDisplayName(NULL));
-#endif
   return 0;
 }