diff --git a/.common-ci.yml b/.common-ci.yml
index afd01f50..fb2ff90d 100644
--- a/.common-ci.yml
+++ b/.common-ci.yml
@@ -70,13 +70,6 @@ stages:
     DIST: debian10
     PACKAGE_REPO_TYPE: debian
 
-.dist-debian9:
-  rules:
-    - !reference [.main-or-manual, rules]
-  variables:
-    DIST: debian9
-    PACKAGE_REPO_TYPE: debian
-
 .dist-opensuse-leap15.1:
   rules:
     - !reference [.main-or-manual, rules]
@@ -92,13 +85,6 @@ stages:
     CVE_UPDATES: "cyrus-sasl-lib"
     PACKAGE_REPO_TYPE: rpm
 
-.dist-ubuntu16.04:
-  rules:
-    - !reference [.main-or-manual, rules]
-  variables:
-    DIST: ubuntu16.04
-    PACKAGE_REPO_TYPE: debian
-
 .dist-ubuntu18.04:
   variables:
     DIST: ubuntu18.04
@@ -106,8 +92,6 @@ stages:
     PACKAGE_REPO_TYPE: debian
 
 .dist-ubuntu20.04:
-  rules:
-    - !reference [.main-or-manual, rules]
   variables:
     DIST: ubuntu20.04
     CVE_UPDATES: "libsasl2-2 libsasl2-modules-db"
@@ -252,22 +236,15 @@ release:staging-ubi8:
   needs:
     - image-ubi8
 
-release:staging-ubuntu18.04:
-  extends:
-    - .release:staging
-    - .dist-ubuntu18.04
-  needs:
-    - test-toolkit-ubuntu18.04
-    - test-containerd-ubuntu18.04
-    - test-crio-ubuntu18.04
-    - test-docker-ubuntu18.04
-
 release:staging-ubuntu20.04:
   extends:
     - .release:staging
     - .dist-ubuntu20.04
   needs:
-    - image-ubuntu20.04
+    - test-toolkit-ubuntu20.04
+    - test-containerd-ubuntu20.04
+    - test-crio-ubuntu20.04
+    - test-docker-ubuntu20.04
 
 release:staging-packaging:
   extends:
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0517f9c7..7a338002 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -116,12 +116,6 @@ package-amazonlinux2-x86_64:
     - .dist-amazonlinux2
     - .arch-x86_64
 
-package-centos7-ppc64le:
-  extends:
-    - .package-build
-    - .dist-centos7
-    - .arch-ppc64le
-
 package-centos7-x86_64:
   extends:
     - .package-build
@@ -152,30 +146,12 @@ package-debian10-amd64:
     - .dist-debian10
     - .arch-amd64
 
-package-debian9-amd64:
-  extends:
-    - .package-build
-    - .dist-debian9
-    - .arch-amd64
-
 package-opensuse-leap15.1-x86_64:
   extends:
     - .package-build
     - .dist-opensuse-leap15.1
     - .arch-x86_64
 
-package-ubuntu16.04-amd64:
-  extends:
-    - .package-build
-    - .dist-ubuntu16.04
-    - .arch-amd64
-
-package-ubuntu16.04-ppc64le:
-  extends:
-    - .package-build
-    - .dist-ubuntu16.04
-    - .arch-ppc64le
-
 package-ubuntu18.04-amd64:
   extends:
     - .package-build
@@ -228,7 +204,6 @@ image-centos7:
     - .package-artifacts
     - .dist-centos7
   needs:
-    - package-centos7-ppc64le
     - package-centos7-x86_64
 
 image-ubi8:
@@ -242,17 +217,6 @@ image-ubi8:
     - package-centos8-x86_64
     - package-centos8-ppc64le
 
-image-ubuntu18.04:
-  extends:
-    - .image-build
-    - .package-artifacts
-    - .dist-ubuntu18.04
-  needs:
-    - package-ubuntu18.04-amd64
-    - package-ubuntu18.04-arm64
-    - job: package-ubuntu18.04-ppc64le
-      optional: true
-
 image-ubuntu20.04:
   extends:
     - .image-build
@@ -261,7 +225,8 @@ image-ubuntu20.04:
   needs:
     - package-ubuntu18.04-amd64
     - package-ubuntu18.04-arm64
-    - package-ubuntu18.04-ppc64le
+    - job: package-ubuntu18.04-ppc64le
+      optional: true
 
 # The DIST=packaging target creates an image containing all built packages
 image-packaging:
@@ -278,22 +243,14 @@ image-packaging:
       optional: true
     - job: package-amazonlinux2-x86_64
       optional: true
-    - job: package-centos7-ppc64le
-      optional: true
     - job: package-centos7-x86_64
       optional: true
     - job: package-centos8-ppc64le
       optional: true
     - job: package-debian10-amd64
       optional: true
-    - job: package-debian9-amd64
-      optional: true
     - job: package-opensuse-leap15.1-x86_64
       optional: true
-    - job: package-ubuntu16.04-amd64
-      optional: true
-    - job: package-ubuntu16.04-ppc64le
-      optional: true
     - job: package-ubuntu18.04-ppc64le
       optional: true
 
@@ -327,31 +284,31 @@ image-packaging:
     TEST_CASES: "crio"
 
 # Define the test targets
-test-toolkit-ubuntu18.04:
+test-toolkit-ubuntu20.04:
   extends:
     - .test:toolkit
-    - .dist-ubuntu18.04
+    - .dist-ubuntu20.04
   needs:
-    - image-ubuntu18.04
+    - image-ubuntu20.04
 
-test-containerd-ubuntu18.04:
+test-containerd-ubuntu20.04:
   extends:
     - .test:containerd
-    - .dist-ubuntu18.04
+    - .dist-ubuntu20.04
   needs:
-    - image-ubuntu18.04
+    - image-ubuntu20.04
 
-test-crio-ubuntu18.04:
+test-crio-ubuntu20.04:
   extends:
     - .test:crio
-    - .dist-ubuntu18.04
+    - .dist-ubuntu20.04
   needs:
-    - image-ubuntu18.04
+    - image-ubuntu20.04
 
-test-docker-ubuntu18.04:
+test-docker-ubuntu20.04:
   extends:
     - .test:docker
-    - .dist-ubuntu18.04
+    - .dist-ubuntu20.04
   needs:
-    - image-ubuntu18.04
+    - image-ubuntu20.04
 
diff --git a/.nvidia-ci.yml b/.nvidia-ci.yml
index 1a82598a..51b3a58a 100644
--- a/.nvidia-ci.yml
+++ b/.nvidia-ci.yml
@@ -79,11 +79,6 @@ image-ubi8:
     - .dist-ubi8
     - .image-pull
 
-image-ubuntu18.04:
-  extends:
-    - .dist-ubuntu18.04
-    - .image-pull
-
 image-ubuntu20.04:
   extends:
     - .dist-ubuntu20.04
@@ -230,12 +225,12 @@ release:packages:kitmaker:
   extends:
     - .release:packages
 
-release:staging-ubuntu18.04:
+release:staging-ubuntu20.04:
   extends:
     - .release:staging
-    - .dist-ubuntu18.04
+    - .dist-ubuntu20.04
   needs:
-    - image-ubuntu18.04
+    - image-ubuntu20.04
 
 # Define the external release targets
 # Release to NGC
@@ -244,11 +239,6 @@ release:ngc-centos7:
     - .dist-centos7
     - .release:ngc
 
-release:ngc-ubuntu18.04:
-  extends:
-    - .dist-ubuntu18.04
-    - .release:ngc
-
 release:ngc-ubuntu20.04:
   extends:
     - .dist-ubuntu20.04
diff --git a/build/container/Makefile b/build/container/Makefile
index 32fd8fa6..da244a53 100644
--- a/build/container/Makefile
+++ b/build/container/Makefile
@@ -44,7 +44,7 @@ OUT_IMAGE = $(OUT_IMAGE_NAME):$(OUT_IMAGE_TAG)
 
 ##### Public rules #####
 DEFAULT_PUSH_TARGET := ubuntu20.04
-DISTRIBUTIONS := ubuntu20.04 ubuntu18.04 ubi8 centos7
+DISTRIBUTIONS := ubuntu20.04 ubi8 centos7
 
 META_TARGETS := packaging
 
@@ -146,10 +146,7 @@ test-packaging:
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/centos8/ppc64le" || echo "Missing centos8/ppc64le"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/centos8/x86_64" || echo "Missing centos8/x86_64"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/debian10/amd64" || echo "Missing debian10/amd64"
-	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/debian9/amd64" || echo "Missing debian9/amd64"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/opensuse-leap15.1/x86_64" || echo "Missing opensuse-leap15.1/x86_64"
-	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/ubuntu16.04/amd64" || echo "Missing ubuntu16.04/amd64"
-	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/ubuntu16.04/ppc64le" || echo "Missing ubuntu16.04/ppc64le"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/ubuntu18.04/amd64" || echo "Missing ubuntu18.04/amd64"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/ubuntu18.04/arm64" || echo "Missing ubuntu18.04/arm64"
 	@$(DOCKER) run --rm $(IMAGE) test -d "/artifacts/packages/ubuntu18.04/ppc64le" || echo "Missing ubuntu18.04/ppc64le"
diff --git a/scripts/build-packages.sh b/scripts/build-packages.sh
index c1e47b82..de0d658b 100755
--- a/scripts/build-packages.sh
+++ b/scripts/build-packages.sh
@@ -29,18 +29,12 @@ SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/../scripts && pwd )"
 all=(
     amazonlinux2-aarch64
     amazonlinux2-x86_64
-    centos7-ppc64le
     centos7-x86_64
     centos8-aarch64
     centos8-ppc64le
     centos8-x86_64
     debian10-amd64
-    debian9-amd64
-    fedora35-aarch64
-    fedora35-x86_64
     opensuse-leap15.1-x86_64
-    ubuntu16.04-amd64
-    ubuntu16.04-ppc64le
     ubuntu18.04-amd64
     ubuntu18.04-arm64
     ubuntu18.04-ppc64le
diff --git a/scripts/release-packages.sh b/scripts/release-packages.sh
index d15e2ae6..ee676868 100755
--- a/scripts/release-packages.sh
+++ b/scripts/release-packages.sh
@@ -152,18 +152,12 @@ function sync() {
 all=(
     amazonlinux2-aarch64
     amazonlinux2-x86_64
-    centos7-ppc64le
     centos7-x86_64
     centos8-aarch64
     centos8-ppc64le
     centos8-x86_64
     debian10-amd64
-    debian9-amd64
-    fedora35-aarch64
-    fedora35-x86_64
     opensuse-leap15.1-x86_64
-    ubuntu16.04-amd64
-    ubuntu16.04-ppc64le
     ubuntu18.04-amd64
     ubuntu18.04-arm64
     ubuntu18.04-ppc64le