diff --git a/src/calibre/utils/monotonic.py b/src/calibre/utils/monotonic.py
index 1deadbaf61..da6c88249e 100644
--- a/src/calibre/utils/monotonic.py
+++ b/src/calibre/utils/monotonic.py
@@ -4,10 +4,6 @@ from calibre.constants import plugins
 
 monotonicp, err = plugins['monotonic']
 if err:
-    # This happens on systems with very old glibc that does not
-    # have clock_gettime() (glibc < 2.17 http://stackoverflow.com/a/32649327)
-    if 'undefined symbol: clock_gettime' in err:
-        raise RuntimeError('Your glibc version is too old, glibc >= 2.17 is required')
     raise RuntimeError('Failed to load the monotonic module with error: ' + err)
 monotonic = monotonicp.monotonic
 del monotonicp, err