diff --git a/.gitignore b/.gitignore
index 96de792..8beb53c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,11 +5,6 @@ raspi*.img.xz
 raspi*.log
 raspi*.tar.gz
 raspi*.sha256
-raspi_base_buster.yaml
-raspi_1_buster.yaml
-raspi_2_buster.yaml
-raspi_3_buster.yaml
-raspi_4_buster.yaml
 raspi_base_bullseye.yaml
 raspi_1_bullseye.yaml
 raspi_2_bullseye.yaml
diff --git a/Makefile b/Makefile
index 75322af..be26056 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ all: shasums
 # List all the supported and built Pi platforms here. They get expanded
 # to names like 'raspi_2_buster.yaml' and 'raspi_3_bullseye.img.xz'.
 BUILD_FAMILIES := 1 2 3 4
-BUILD_RELEASES := buster bullseye bookworm trixie
+BUILD_RELEASES := bullseye bookworm trixie
 
 platforms := $(foreach plat, $(BUILD_FAMILIES),$(foreach rel, $(BUILD_RELEASES),  raspi_$(plat)_$(rel)))
 
@@ -57,7 +57,7 @@ _ck_root:
 	[ `whoami` = 'root' ] # Only root can summon vmdb2 ☹
 
 _clean_yaml:
-	rm -f $(addsuffix .yaml,$(platforms)) raspi_base_buster.yaml raspi_base_bullseye.yaml raspi_base_bookworm.yaml raspi_base_trixie.yaml
+	rm -f $(addsuffix .yaml,$(platforms)) raspi_base_bullseye.yaml raspi_base_bookworm.yaml raspi_base_trixie.yaml
 _clean_images:
 	rm -f $(addsuffix .img,$(platforms))
 _clean_xzimages:
diff --git a/README.md b/README.md
index 4e8486c..28af14d 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ you'll need to execute `make` as root.
 The argument to `make` is constructed as follows:
 `raspi_<model>_<release>.<result-type>`
 
-Whereby <model\> is one of `1`, `2`, `3` or `4`, <release\> is either `buster`,
+Whereby <model\> is one of `1`, `2`, `3` or `4`, <release\> is either
 `bullseye`, `bookworm`, or `trixie`; and <result-type\> is `img` or `yaml`.
 
 Model `1` should be used for the Raspberry Pi 0, 0w and 1, models A and
diff --git a/generate-recipe.py b/generate-recipe.py
index d8b062c..61226f1 100755
--- a/generate-recipe.py
+++ b/generate-recipe.py
@@ -18,7 +18,7 @@ if version not in ["1", "2", "3", "4"]:
     sys.exit(1)
 
 suite = sys.argv[2]
-if suite not in ['buster', 'bullseye', 'bookworm', 'trixie']:
+if suite not in ['bullseye', 'bookworm', 'trixie']:
     print("E: unsupported suite %s" % suite, file=sys.stderr)
     sys.exit(1)
 target_yaml = 'raspi_%s_%s.yaml' % (version, suite)
@@ -41,20 +41,15 @@ elif version in ['3', '4']:
     dtb = '/usr/lib/linux-image-*-arm64/broadcom/bcm*rpi*.dtb'
 
 # APT and default firmware (name + handling)
-if suite == 'buster':
-    security_suite = '%s/updates' % suite
-    raspi_firmware = 'raspi3-firmware'
-    fix_firmware = True
-else:
-    security_suite = '%s-security' % suite
-    raspi_firmware = 'raspi-firmware'
-    fix_firmware = False
+security_suite = '%s-security' % suite
+raspi_firmware = 'raspi-firmware'
+fix_firmware = False
 
 # Bookworm introduced the 'non-free-firmware' component¹; before that,
 # raspi-firmware was in 'non-free'
 #
 # ¹ https://www.debian.org/vote/2022/vote_003
-if suite not in ['buster', 'bullseye']:
+if suite != 'bullseye':
     firmware_component = 'non-free-firmware'
     firmware_component_old = 'non-free'
 else:
@@ -76,16 +71,6 @@ else:
 # Pi 4 on buster requires some backports:
 backports_enable = False
 backports_suite = '%s-backports' % suite
-if version == '4' and suite == 'buster':
-    backports_enable = "# raspi 4 needs kernel and firmware newer than buster's"
-    linux = '%s/%s' % (linux, backports_suite)
-    raspi_firmware = 'raspi-firmware/%s' % backports_suite
-    wireless_firmware = 'firmware-brcm80211/%s' % backports_suite
-    fix_firmware = False
-
-if version == '3' and suite == 'buster':
-    backports_enable = "# raspi 3 needs firmware-brcm80211 newer than buster's for wifi"
-    wireless_firmware = 'firmware-brcm80211/%s' % backports_suite
 
 # Serial console:
 if version in ['1', '2']:
@@ -104,10 +89,7 @@ if version == '4':
 # and stick to it!
 #
 # Hostname:
-if suite == 'buster':
-    hostname = 'rpi%s' % version
-else:
-    hostname = 'rpi_%s' % version
+hostname = 'rpi_%s' % version
 
 # Nothing yet!
 extra_root_shell_cmds = []
@@ -136,16 +118,10 @@ else:
 """ % (backports_suite, firmware_component)
 
 # Buster requires an existing, empty /etc/machine-id file:
-if suite == 'buster':
-    touch_machine_id = 'touch /etc/machine-id'
-else:
-    touch_machine_id = 'echo "uninitialized" > /etc/machine-id'
+touch_machine_id = 'echo "uninitialized" > /etc/machine-id'
 
 # Buster shipped timesyncd directly into systemd:
-if suite == 'buster':
-    systemd_timesyncd = 'systemd'
-else:
-    systemd_timesyncd = 'systemd-timesyncd'
+systemd_timesyncd = 'systemd-timesyncd'
 
 gitcommit = subprocess.getoutput("git show -s --pretty='format:%C(auto)%h (%s, %ad)' --date=short ")
 buildtime = subprocess.getoutput("date --utc +'%Y-%m-%d %H:%M'")