diff --git a/ChangeLog b/ChangeLog
index 8f2ccefa02..736d85f221 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-26  Joseph Myers  <joseph@codesourcery.com>
+
+	* scripts/build-many-glibcs.py: Remove compatibility for missing
+	os.cpu_count and re.fullmatch.
+
 2018-10-26  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	[BZ #23822]
diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index 3f288e0e0b..1bf8ee1d2b 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -49,17 +49,6 @@ import sys
 import time
 import urllib.request
 
-try:
-    os.cpu_count
-except:
-    import multiprocessing
-    os.cpu_count = lambda: multiprocessing.cpu_count()
-
-try:
-    re.fullmatch
-except:
-    re.fullmatch = lambda p,s,f=0: re.match(p+"\\Z",s,f)
-
 try:
     subprocess.run
 except: