diff --git a/.etckeeper b/.etckeeper
index e981f630..f9fdb821 100755
--- a/.etckeeper
+++ b/.etckeeper
@@ -3100,8 +3100,6 @@ maybe chmod 0644 'python2.7/sitecustomize.py'
 maybe chmod 0755 'python3'
 maybe chmod 0755 'python3.11'
 maybe chmod 0644 'python3.11/sitecustomize.py'
-maybe chmod 0755 'python3.9'
-maybe chmod 0644 'python3.9/sitecustomize.py'
 maybe chmod 0644 'python3/debian_config'
 maybe chmod 0755 'qemu'
 maybe chmod 0755 'qemu/fsfreeze-hook'
diff --git a/default/ntpdate b/default/ntpdate
index 3241694e..c3e2083c 100644
--- a/default/ntpdate
+++ b/default/ntpdate
@@ -7,7 +7,7 @@ NTPDATE_USE_NTP_CONF=yes
 
 # List of NTP servers to use  (Separate multiple servers with spaces.)
 # Not used if NTPDATE_USE_NTP_CONF is yes.
-NTPSERVERS="0.debian.pool.ntp.org 1.debian.pool.ntp.org 2.debian.pool.ntp.org 3.debian.pool.ntp.org"
+#NTPSERVERS="0.debian.pool.ntp.org 1.debian.pool.ntp.org 2.debian.pool.ntp.org 3.debian.pool.ntp.org"
 
 # Additional options to pass to ntpdate
 NTPOPTIONS=""
diff --git a/default/ntpsec-ntpdate b/default/ntpsec-ntpdate
index 8e229641..af81d696 100644
--- a/default/ntpsec-ntpdate
+++ b/default/ntpsec-ntpdate
@@ -7,7 +7,7 @@ NTPDATE_USE_NTP_CONF=yes
 
 # List of NTP servers to use  (Separate multiple servers with spaces.)
 # Not used if NTPDATE_USE_NTP_CONF is yes.
-NTPSERVERS="0.debian.pool.ntp.org 1.debian.pool.ntp.org 2.debian.pool.ntp.org 3.debian.pool.ntp.org"
+#NTPSERVERS="0.debian.pool.ntp.org 1.debian.pool.ntp.org 2.debian.pool.ntp.org 3.debian.pool.ntp.org"
 
 # Additional options to pass to ntpdate
 NTPOPTIONS=""
diff --git a/nginx/modules-enabled/50-mod-http-geoip.conf.removed b/nginx/modules-enabled/50-mod-http-geoip.conf.removed
deleted file mode 120000
index 390fab28..00000000
--- a/nginx/modules-enabled/50-mod-http-geoip.conf.removed
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/nginx/modules-available/mod-http-geoip.conf
\ No newline at end of file
diff --git a/nginx/modules-enabled/50-mod-http-image-filter.conf.removed b/nginx/modules-enabled/50-mod-http-image-filter.conf.removed
deleted file mode 120000
index fa27cd31..00000000
--- a/nginx/modules-enabled/50-mod-http-image-filter.conf.removed
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/nginx/modules-available/mod-http-image-filter.conf
\ No newline at end of file
diff --git a/nginx/modules-enabled/50-mod-http-xslt-filter.conf.removed b/nginx/modules-enabled/50-mod-http-xslt-filter.conf.removed
deleted file mode 120000
index 51d7ca77..00000000
--- a/nginx/modules-enabled/50-mod-http-xslt-filter.conf.removed
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/nginx/modules-available/mod-http-xslt-filter.conf
\ No newline at end of file
diff --git a/nginx/modules-enabled/50-mod-mail.conf.removed b/nginx/modules-enabled/50-mod-mail.conf.removed
deleted file mode 120000
index baa6ea94..00000000
--- a/nginx/modules-enabled/50-mod-mail.conf.removed
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/nginx/modules-available/mod-mail.conf
\ No newline at end of file
diff --git a/ntp.conf b/ntp.conf
index 3facac41..c9c3d489 100644
--- a/ntp.conf
+++ b/ntp.conf
@@ -20,14 +20,9 @@ filegen clockstats file clockstats type day enable
 # pool.ntp.org maps to about 1000 low-stratum NTP servers.  Your server will
 # pick a different set every time it starts up.  Please consider joining the
 # pool: <http://www.pool.ntp.org/join.html>
-#pool 0.debian.pool.ntp.org iburst
-#pool 1.debian.pool.ntp.org iburst
-#pool 2.debian.pool.ntp.org iburst
-#pool 3.debian.pool.ntp.org iburst
-server 0.de.pool.ntp.org
-server 1.de.pool.ntp.org
-server 2.de.pool.ntp.org
-server 3.de.pool.ntp.org
+server ptbtime1.ptb.de
+server ptbtime2.ptb.de
+server ptbtime3.ptb.de
 
 
 # Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for
diff --git a/ntpsec/ntp.conf b/ntpsec/ntp.conf
index 66d3c290..c502d467 100644
--- a/ntpsec/ntp.conf
+++ b/ntpsec/ntp.conf
@@ -31,10 +31,9 @@ tos minclock 4 minsane 3
 # pool.ntp.org maps to about 1000 low-stratum NTP servers.  Your server will
 # pick a different set every time it starts up.  Please consider joining the
 # pool: <https://www.pool.ntp.org/join.html>
-pool 0.debian.pool.ntp.org iburst
-pool 1.debian.pool.ntp.org iburst
-pool 2.debian.pool.ntp.org iburst
-pool 3.debian.pool.ntp.org iburst
+server ptbtime1.ptb.de
+server ptbtime2.ptb.de
+server ptbtime3.ptb.de
 
 # Access control configuration; see /usr/share/doc/ntpsec-doc/html/accopt.html
 # for details.
diff --git a/python3.9/sitecustomize.py b/python3.9/sitecustomize.py
deleted file mode 100644
index 89c67120..00000000
--- a/python3.9/sitecustomize.py
+++ /dev/null
@@ -1,7 +0,0 @@
-# install the apport exception handler if available
-try:
-    import apport_python_hook
-except ImportError:
-    pass
-else:
-    apport_python_hook.install()