diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 035ecc862..b2d0330fd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -234,7 +234,6 @@ demo docker:
     - xzcat uniworx:exe:uniworxdb.nar.xz | nix-store --import
     - nix -L build -o result .#uniworxDemoDocker
     - nix-store --export $(nix-store -qR result) > uniworx-demo.nar # image is already compressed, no need for xz
-    - cp -pr --reflink=auto -L result uniworx-demo.tar.gz
   before_script: *nix-before
   needs:
     - job: node dependencies # transitive
@@ -254,7 +253,6 @@ demo docker:
   artifacts:
     paths:
       - uniworx-demo.nar
-      - uniworx-demo.tar.gz
     name: "${CI_JOB_NAME}-${CI_COMMIT_SHORT_SHA}"
     expire_in: "1 day"
   retry: 2
@@ -266,7 +264,6 @@ docker:
     - xzcat uniworx:exe:uniworx.nar.xz | nix-store --import
     - nix -L build -o result .#uniworxDocker
     - nix-store --export $(nix-store -qR result) > uniworx.nar # image is already compressed, no need for xz
-    - cp -pr --reflink=auto -L result uniworx.tar.gz
   before_script: *nix-before
   needs:
     - job: node dependencies # transitive
@@ -284,7 +281,6 @@ docker:
   artifacts:
     paths:
       - uniworx.nar
-      - uniworx.tar.gz
     name: "${CI_JOB_NAME}-${CI_COMMIT_SHORT_SHA}"
     expire_in: "1 day"
   retry: 2