diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c5edfb3..c7c25e9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -159,10 +159,6 @@ build-data-manager-image:
   - image
   variables:
     IMAGE_TAG: "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-data-manager"
-    DOCKER_HOST: tcp://docker:2376
-    DOCKER_TLS_CERTDIR: "/certs"
-    DOCKER_TLS_VERIFY: 1
-    DOCKER_CERT_PATH: "/certs/client"
   before_script:
   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
   script:
@@ -182,10 +178,6 @@ build-ical-image:
   - image
   variables:
     IMAGE_TAG: "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-ical"
-    DOCKER_HOST: tcp://docker:2376
-    DOCKER_TLS_CERTDIR: "/certs"
-    DOCKER_TLS_VERIFY: 1
-    DOCKER_CERT_PATH: "/certs/client"
   before_script:
   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
   script:
@@ -205,10 +197,6 @@ build-frontend-image:
   - image
   variables:
     IMAGE_TAG: "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-frontend"
-    DOCKER_HOST: tcp://docker:2376
-    DOCKER_TLS_CERTDIR: "/certs"
-    DOCKER_TLS_VERIFY: 1
-    DOCKER_CERT_PATH: "/certs/client"
   before_script:
   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
   - cd ./frontend