diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index 117bf06cb01..ff50cb083bd 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -280,34 +280,7 @@ def find_library(name, is64 = False):
     else:
 
         def _findSoname_ldconfig(name):
-            import struct
-            if struct.calcsize('l') == 4:
-                machine = os.uname().machine + '-32'
-            else:
-                machine = os.uname().machine + '-64'
-            mach_map = {
-                'x86_64-64': 'libc6,x86-64',
-                'ppc64-64': 'libc6,64bit',
-                'sparc64-64': 'libc6,64bit',
-                's390x-64': 'libc6,64bit',
-                'ia64-64': 'libc6,IA-64',
-                }
-            abi_type = mach_map.get(machine, 'libc6')
-
-            # XXX assuming GLIBC's ldconfig (with option -p)
-            regex = r'\s+(lib%s\.[^\s]+)\s+\(%s'
-            regex = os.fsencode(regex % (re.escape(name), abi_type))
-            try:
-                with subprocess.Popen(['/sbin/ldconfig', '-p'],
-                                      stdin=subprocess.DEVNULL,
-                                      stderr=subprocess.DEVNULL,
-                                      stdout=subprocess.PIPE,
-                                      env={'LC_ALL': 'C', 'LANG': 'C'}) as p:
-                    res = re.search(regex, p.stdout.read())
-                    if res:
-                        return os.fsdecode(res.group(1))
-            except OSError:
-                pass
+            return None
 
         def _findLib_ld(name):
             # See issue #9998 for why this is needed