diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 319bd3588b6dc..ce0f0b297e9d8 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -60,7 +60,7 @@ jobs:
           matrix="$(jq '.build_and_push_operator.name += ["RHACS_BRANDING"]' <<< "$matrix")"
 
           matrix="$(jq '.scan_images_with_roxctl.name += ["RHACS_BRANDING", "STACKROX_BRANDING"]' <<< "$matrix")"
-          matrix="$(jq '.scan_images_with_roxctl.image += ["central-db", "collector", "collector-slim", "main", "roxctl", "scanner", "scanner-db", "scanner-db-slim", "scanner-slim", "stackrox-operator"]' <<< "$matrix")"
+          matrix="$(jq '.scan_images_with_roxctl.image += ["central-db", "collector", "main", "roxctl", "scanner", "scanner-db", "scanner-db-slim", "scanner-slim", "stackrox-operator"]' <<< "$matrix")"
           # TODO(ROX-27191): remove the exclusion once there's a community operator.
           matrix="$(jq '.scan_images_with_roxctl.exclude += [{ "name": "STACKROX_BRANDING", "image": "stackrox-operator" }]' <<< "$matrix")"
 
@@ -282,7 +282,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tag_suffix: ["", "-fast", "-fast-slim"]
+        tag_suffix: ["", "-fast"]
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4
diff --git a/.github/workflows/check-image-vulnerabilities.yml b/.github/workflows/check-image-vulnerabilities.yml
index dd7803d916bb4..4e2819f50e525 100644
--- a/.github/workflows/check-image-vulnerabilities.yml
+++ b/.github/workflows/check-image-vulnerabilities.yml
@@ -38,7 +38,6 @@ jobs:
           [
             "central-db",
             "collector",
-            "collector-slim",
             "main",
             "roxctl",
             "scanner",
diff --git a/COLLECTOR_VERSION b/COLLECTOR_VERSION
index dbaeefe72736b..6075c9a9ff915 100644
--- a/COLLECTOR_VERSION
+++ b/COLLECTOR_VERSION
@@ -1 +1 @@
-3.20.x-82-gfe283d9f29
+3.21.0
diff --git a/scripts/ci/lib.sh b/scripts/ci/lib.sh
index 2379359da2f4c..a85cc4102acea 100755
--- a/scripts/ci/lib.sh
+++ b/scripts/ci/lib.sh
@@ -247,7 +247,7 @@ push_image_manifest_lists() {
     done
 
     # Push manifest lists for scanner and collector for amd64 only
-    local amd64_image_set=("scanner" "scanner-db" "scanner-slim" "scanner-db-slim" "collector" "collector-slim")
+    local amd64_image_set=("scanner" "scanner-db" "scanner-slim" "scanner-db-slim" "collector")
     for image in "${amd64_image_set[@]}"; do
         retry 5 true \
           "$SCRIPTS_ROOT/scripts/ci/push-as-multiarch-manifest-list.sh" "${registry}/${image}:${tag}" "amd64" | cat
@@ -461,7 +461,6 @@ push_matching_collector_scanner_images() {
     _retag "${registry}/scanner-db-slim:${scanner_version}" "${registry}/scanner-db-slim:${main_tag}-${arch}"
 
     _retag "${registry}/collector:${collector_version}"      "${registry}/collector:${main_tag}-${arch}"
-    _retag "${registry}/collector:${collector_version}-slim" "${registry}/collector-slim:${main_tag}-${arch}"
 }
 
 poll_for_system_test_images() {
@@ -814,7 +813,6 @@ stackrox-operator-index ${operator_metadata_tag}
 main ${tag}
 central-db ${tag}
 collector ${tag}
-collector-slim ${tag}
 scanner ${tag}
 scanner-db ${tag}
 scanner-v4 ${tag}