diff --git a/ELK.sh b/ELK.sh
index 89aa3b3..021c2de 100755
--- a/ELK.sh
+++ b/ELK.sh
@@ -19,9 +19,6 @@ declare -A REPO_VERSIONS=(
 )
 
 # =================== APT repos ===============================
-if [[ ! -z ${DRY_RUN:-} ]]; then
-	export APT_DRY_RUN=1
-fi
  
 for repo in "${!REPO_VERSIONS[@]}"; do
 	# magic here, don't quote ${REPO_VERSIONS[$repo][@]}
@@ -30,7 +27,7 @@ for repo in "${!REPO_VERSIONS[@]}"; do
 		echo $repo-$version
 		apt_url="${BASE_URL}/${repo}/${version}/debian"
 		dest_path="${APT_PATH}/${repo}/${version}"
-		"$apt_sync" "$apt_url" stable main amd64,i386 "$dest_path"
+		"$apt_sync" --delete-dry-run "$apt_url" stable main amd64,i386 "$dest_path"
 	done
 done
 
diff --git a/chef.sh b/chef.sh
index 61d34eb..ed699ba 100755
--- a/chef.sh
+++ b/chef.sh
@@ -15,7 +15,7 @@ APT_PATH="${BASE_PATH}/apt/stable"
 "$yum_sync" "${UPSTREAM}/yum/stable/el/@{os_ver}/@{arch}" 6-8 chef x86_64 "stable-el@{os_ver}-@{arch}" "$YUM_PATH"
 echo "YUM finished"
 
-"$apt_sync" "${UPSTREAM}/apt/stable" @ubuntu-lts,@debian-current main amd64,i386,aarch64 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/apt/stable" @ubuntu-lts,@debian-current main amd64,i386,aarch64 "$APT_PATH"
 echo "APT finished"
 
 # vim: ts=4 sts=4 sw=4
diff --git a/elastic.sh b/elastic.sh
index a36549d..2e24cf7 100755
--- a/elastic.sh
+++ b/elastic.sh
@@ -19,7 +19,7 @@ APT_PATH="${BASE_PATH}/apt"
 # =================== APT repos ===============================
 
 for elsver in "${ELASTIC_VERSION[@]}"; do
-	"$apt_sync" "${BASE_URL}/packages/${elsver}/apt" stable main amd64,i386 "${APT_PATH}/${elsver}"
+	"$apt_sync" --delete-dry-run "${BASE_URL}/packages/${elsver}/apt" stable main amd64,i386 "${APT_PATH}/${elsver}"
 	
 	(cd ${BASE_PATH}/${elsver}; ln -sfn ../apt/${elsver} apt)
 done
diff --git a/erlang.sh b/erlang.sh
index a1514d5..8a9f23f 100755
--- a/erlang.sh
+++ b/erlang.sh
@@ -14,9 +14,9 @@ UBUNTU_PATH="${BASE_PATH}/ubuntu"
 DEBIAN_PATH="${BASE_PATH}/debian"
 
 # =================== APT repos ===============================
-"$apt_sync" "${BASE_URL}/ubuntu" @ubuntu-lts contrib amd64,i386 "$UBUNTU_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/ubuntu" @ubuntu-lts contrib amd64,i386 "$UBUNTU_PATH"
 echo "Ubuntu finished"
-"$apt_sync" "${BASE_URL}/debian" @debian-current contrib amd64,i386 "$DEBIAN_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/debian" @debian-current contrib amd64,i386 "$DEBIAN_PATH"
 echo "Debian finished"
 
 # =================== YUM repos ===============================
diff --git a/gitlab-ce.sh b/gitlab-ce.sh
index 4ab2f63..f0e9768 100755
--- a/gitlab-ce.sh
+++ b/gitlab-ce.sh
@@ -17,9 +17,9 @@ DEBIAN_PATH="${BASE_PATH}/debian/"
 "$yum_sync" "${UPSTREAM}/el/@{os_ver}/@{arch}/" 6-8 "gitlab" x86_64 "el@{os_ver}" "$YUM_PATH"
 echo "YUM finished"
 
-"$apt_sync" "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
 echo "Ubuntu finished"
-"$apt_sync" "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
 echo "Debian finished"
 
 
diff --git a/gitlab-ci-multi-runner.sh b/gitlab-ci-multi-runner.sh
index 4f2e4cf..5a12851 100755
--- a/gitlab-ci-multi-runner.sh
+++ b/gitlab-ci-multi-runner.sh
@@ -17,9 +17,9 @@ DEBIAN_PATH="${BASE_PATH}/debian/"
 "$yum_sync" "${UPSTREAM}/el/@{os_ver}/@{arch}" 6-7 gitlab-ci-multi-runner x86_64 "el@{os_ver}" "$YUM_PATH"
 echo "YUM finished"
 
-"$apt_sync" "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
 echo "Ubuntu finished"
-"$apt_sync" "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
 echo "Debian finished"
 
 
diff --git a/gitlab-runner.sh b/gitlab-runner.sh
index c092e41..b8f6cb0 100755
--- a/gitlab-runner.sh
+++ b/gitlab-runner.sh
@@ -17,9 +17,9 @@ DEBIAN_PATH="${BASE_PATH}/debian/"
 "$yum_sync" "${UPSTREAM}/el/@{os_ver}/@{arch}" 6-8 gitlab-runner x86_64 "el@{os_ver}" "$YUM_PATH"
 echo "YUM finished"
 
-"$apt_sync" "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/ubuntu" @ubuntu-lts main amd64,i386 "$UBUNTU_PATH"
 echo "Ubuntu finished"
-"$apt_sync" "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
+"$apt_sync" --delete-dry-run "${UPSTREAM}/debian" @debian-current main amd64,i386 "$DEBIAN_PATH"
 echo "Debian finished"
 
 # vim: ts=4 sts=4 sw=4
diff --git a/grafana.sh b/grafana.sh
index 4c5e07a..cf4b32c 100755
--- a/grafana.sh
+++ b/grafana.sh
@@ -14,7 +14,7 @@ YUM_PATH="${BASE_PATH}/yum"
 APT_PATH="${BASE_PATH}/apt"
 
 # =================== APT repos ===============================
-"$apt_sync" "${BASE_URL}/deb" stable,beta main amd64,armhf,arm64 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/deb" stable,beta main amd64,armhf,arm64 "$APT_PATH"
 echo "APT finished"
 
 
diff --git a/influxdata.sh b/influxdata.sh
index 0d66562..c724056 100755
--- a/influxdata.sh
+++ b/influxdata.sh
@@ -18,9 +18,9 @@ wget -O ${BASE_PATH}/influxdb.key ${BASE_URL}/influxdb.key
 
 # =================== APT repos ===============================
 
-"$apt_sync" "${BASE_URL}/ubuntu" @ubuntu-lts stable amd64,i386,armhf,arm64 "$UBUNTU_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/ubuntu" @ubuntu-lts stable amd64,i386,armhf,arm64 "$UBUNTU_PATH"
 echo "Ubuntu finished"
-"$apt_sync" "${BASE_URL}/debian" @debian-current stable amd64,i386,armhf,arm64 "$DEBIAN_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/debian" @debian-current stable amd64,i386,armhf,arm64 "$DEBIAN_PATH"
 echo "Debian finished"
 
 
diff --git a/kubernetes.sh b/kubernetes.sh
index 8d6c1e9..7382a9c 100755
--- a/kubernetes.sh
+++ b/kubernetes.sh
@@ -14,7 +14,7 @@ YUM_PATH="${BASE_PATH}/yum/repos"
 APT_PATH="${BASE_PATH}/apt"
 
 # =================== APT repos ===============================
-"$apt_sync" "${BASE_URL}/apt" "kubernetes-@{debian-current},kubernetes-@{ubuntu-lts}" main amd64,i386,armhf,arm64 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/apt" "kubernetes-@{debian-current},kubernetes-@{ubuntu-lts}" main amd64,i386,armhf,arm64 "$APT_PATH"
 echo "APT finished"
 
 # =================== YUM/DNF repos ==========================
diff --git a/proxmox.sh b/proxmox.sh
index 9370ee0..fab0176 100755
--- a/proxmox.sh
+++ b/proxmox.sh
@@ -13,7 +13,7 @@ APT_PATH="${BASE_PATH}/debian"
 
 # === download deb packages ====
 
-"$apt_sync" "${BASE_URL}/debian" @debian-current pve-no-subscription,pvetest amd64 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/debian" @debian-current pve-no-subscription,pvetest amd64 "$APT_PATH"
 echo "Debian finished"
 
 # === download standalone files ====
diff --git a/ros2.sh b/ros2.sh
index 8810915..be3231c 100755
--- a/ros2.sh
+++ b/ros2.sh
@@ -13,5 +13,5 @@ APT_PATH="${BASE_PATH}/ubuntu"
 APT_VERSIONS=@ubuntu-lts,disco,eoan,focal,@debian-current
 
 # =================== APT repos ===============================
-"$apt_sync" "${BASE_URL}/ubuntu" $APT_VERSIONS main amd64,armhf,arm64 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/ubuntu" $APT_VERSIONS main amd64,armhf,arm64 "$APT_PATH"
 echo "APT finished"
diff --git a/rudder.sh b/rudder.sh
index 19745d6..37fd214 100755
--- a/rudder.sh
+++ b/rudder.sh
@@ -19,7 +19,7 @@ components=${components:1}
 echo "YUM finished"
 
 for ver in ${RUDDER_VERS[@]}; do
-    "$apt_sync" "${UPSTREAM}/apt/${ver}" @ubuntu-lts,@debian-current main amd64 "$APT_PATH/${ver}"
+    "$apt_sync" --delete-dry-run "${UPSTREAM}/apt/${ver}" @ubuntu-lts,@debian-current main amd64 "$APT_PATH/${ver}"
 done
 echo "APT finished"
 
diff --git a/virtualbox.sh b/virtualbox.sh
index f036c1b..9b2177e 100755
--- a/virtualbox.sh
+++ b/virtualbox.sh
@@ -23,7 +23,7 @@ echo "YUM finished"
 
 # === download deb packages ====
 
-"$apt_sync" "${BASE_URL}/debian" @debian-current,@ubuntu-lts contrib,non-free amd64,i386 "$APT_PATH"
+"$apt_sync" --delete-dry-run "${BASE_URL}/debian" @debian-current,@ubuntu-lts contrib,non-free amd64,i386 "$APT_PATH"
 echo "Debian and ubuntu finished"
 
 # === download standalone packages ====