diff --git a/debian/changelog b/debian/changelog
index fa230af..fae657a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,21 @@
+nut (2.8.0-4) UNRELEASED; urgency=medium
+
+  * Remove constraints unnecessary since buster (oldstable):
+    + Build-Depends: Drop versioned constraint on libfreeipmi-dev,
+      libipmimonitoring-dev, libpowerman0-dev, libusb-1.0-0-dev and
+      libwrap0-dev.
+    + Build-Depends-Indep: Drop versioned constraint on asciidoc and dblatex.
+    + nut-server: Drop versioned constraint on lsb-base in Depends.
+    + nut-client: Drop versioned constraint on lsb-base in Depends.
+    + nut-snmp: Drop versioned constraint on nut in Depends.
+    + nut-ipmi: Drop versioned constraint on nut in Depends.
+    + nut-xml: Drop versioned constraint on nut in Depends.
+    + nut-powerman-pdu: Drop versioned constraint on nut and powerman in
+      Depends.
+    + Remove 1 maintscript entries from 1 files.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Sun, 25 Sep 2022 08:02:56 -0000
+
 nut (2.8.0-3) unstable; urgency=medium
 
   * Drop the debian/libnutclient2.symbols file entierly, managing a .symbols
diff --git a/debian/control b/debian/control
index 66b6937..7e40dc9 100644
--- a/debian/control
+++ b/debian/control
@@ -6,22 +6,22 @@ Build-Depends: debhelper (>= 12),
                dh-python,
                libavahi-client-dev,
                libavahi-core-dev,
-               libfreeipmi-dev (>= 0.8.5) [!hurd-i386],
+               libfreeipmi-dev [!hurd-i386],
                libgd-dev | libgd2-xpm-dev | libgd2-noxpm-dev,
-               libipmimonitoring-dev (>= 1.1.5-2) [!hurd-i386],
+               libipmimonitoring-dev [!hurd-i386],
                libi2c-dev [linux-any],
                libltdl-dev,
                libmodbus-dev,
                libneon27-gnutls-dev | libneon27-dev,
                libnss3-dev,
-               libpowerman0-dev (>= 2.3.3),
+               libpowerman0-dev,
                libsnmp-dev | libsnmp9-dev,
-               libusb-1.0-0-dev (>= 1.0.0),
-               libwrap0-dev (>= 7.6),
+               libusb-1.0-0-dev,
+               libwrap0-dev,
                python3:any
-Build-Depends-Indep: asciidoc (>= 8.6.3) <!nodoc>,
+Build-Depends-Indep: asciidoc <!nodoc>,
                      asciidoc-dblatex <!nodoc>,
-                     dblatex (>= 0.2.5) <!nodoc>,
+                     dblatex <!nodoc>,
                      docbook-xsl <!nodoc>,
                      libxml2-utils <!nodoc>
 Standards-Version: 4.6.0
@@ -46,7 +46,7 @@ Description: network UPS tools - metapackage
 Package: nut-server
 Architecture: any
 Depends: adduser,
-         lsb-base (>= 3.0-6),
+         lsb-base,
          nut-client (= ${binary:Version}),
          udev [linux-any],
          ${misc:Depends},
@@ -65,7 +65,7 @@ Description: network UPS tools - core system
 
 Package: nut-client
 Architecture: any
-Depends: adduser, lsb-base (>= 3.0-6), ${misc:Depends}, ${shlibs:Depends}
+Depends: adduser, lsb-base, ${misc:Depends}, ${shlibs:Depends}
 Provides: ups-monitor
 Conflicts: ups-monitor
 Recommends: bash-completion
@@ -114,7 +114,7 @@ Description: network UPS tools - I2C driver
 
 Package: nut-snmp
 Architecture: any
-Depends: nut (>= 1.4.1-pre1), ${misc:Depends}, ${shlibs:Depends}
+Depends: nut, ${misc:Depends}, ${shlibs:Depends}
 Description: network UPS tools - SNMP driver
  Network UPS Tools (NUT) is a client/server monitoring system that
  allows computers to share uninterruptible power supply (UPS) and
@@ -128,7 +128,7 @@ Description: network UPS tools - SNMP driver
 
 Package: nut-ipmi
 Architecture: kfreebsd-any linux-any
-Depends: nut (>= 1.4.1-pre1), ${misc:Depends}, ${shlibs:Depends}
+Depends: nut, ${misc:Depends}, ${shlibs:Depends}
 Description: network UPS tools - IPMI driver
  Network UPS Tools (NUT) is a client/server monitoring system that
  allows computers to share uninterruptible power supply (UPS) and
@@ -157,7 +157,7 @@ Description: network UPS tools - Modbus driver
 
 Package: nut-xml
 Architecture: any
-Depends: nut (>= 2.2.2), ${misc:Depends}, ${shlibs:Depends}
+Depends: nut, ${misc:Depends}, ${shlibs:Depends}
 Description: network UPS tools - XML/HTTP driver
  Network UPS Tools (NUT) is a client/server monitoring system that
  allows computers to share uninterruptible power supply (UPS) and
@@ -171,8 +171,8 @@ Description: network UPS tools - XML/HTTP driver
 
 Package: nut-powerman-pdu
 Architecture: any
-Depends: nut (>= 2.4.0),
-         powerman (>= 2.3.3),
+Depends: nut,
+         powerman,
          ${misc:Depends},
          ${shlibs:Depends}
 Description: network UPS tools - PowerMan PDU driver
diff --git a/debian/nut-client.maintscript b/debian/nut-client.maintscript
deleted file mode 100644
index 692b715..0000000
--- a/debian/nut-client.maintscript
+++ /dev/null
@@ -1 +0,0 @@
-rm_conffile /etc/bash_completion.d/nut 2.7.1-1~