diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 43ec00eb4edf3bde19630e4546926129d1cdd836..3bd9f45f141aabc4352b359ec748d96a428140cd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,21 +39,21 @@ stages:
       - runner_system_failure
       - stuck_or_timeout_failure
 
-# native-build:
-#   extends: .general
-#   only: [merge_requests]
-#   stage: build
-#   image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-native:18.04
-#   script:
-#     - xvfb-run -a -n 1 -s "-screen 0 1024x768x24 -dpi 96" ctest -V -S CI/main_ci.cmake -DIMAGE_NAME:string=ubuntu-18.04-gcc
-
-# debian-build:
-#   extends: .general
-#   only: [merge_requests]
-#   stage: build
-#   image: $BUILD_IMAGE_REGISTRY/otb-debian-native:unstable
-#   script:
-#     - xvfb-run -a -n 1 -s "-screen 0 1024x768x24 -dpi 96" ctest -V -S CI/main_ci.cmake -DIMAGE_NAME:string=debian-unstable-gcc
+native-build:
+  extends: .general
+  only: [merge_requests]
+  stage: build
+  image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-native:18.04
+  script:
+    - xvfb-run -a -n 1 -s "-screen 0 1024x768x24 -dpi 96" ctest -V -S CI/main_ci.cmake -DIMAGE_NAME:string=ubuntu-18.04-gcc
+
+debian-build:
+  extends: .general
+  only: [merge_requests]
+  stage: build
+  image: $BUILD_IMAGE_REGISTRY/otb-debian-native:unstable
+  script:
+    - xvfb-run -a -n 1 -s "-screen 0 1024x768x24 -dpi 96" ctest -V -S CI/main_ci.cmake -DIMAGE_NAME:string=debian-unstable-gcc
 
 .common-build:
   extends: .general
@@ -63,14 +63,14 @@ stages:
     - xvfb-run -a -n 1 -s "-screen 0 1024x768x24 -dpi 96" ctest -V -S CI/main_ci.cmake -DIMAGE_NAME:string=ubuntu-18.04-llvm-shark
 
 
-# # This is needed to have only one pipeline in a merge request context
-# ubuntu-llvm:
-#   only: [merge_requests]
-#   extends: .common-build
+# This is needed to have only one pipeline in a merge request context
+ubuntu-llvm:
+  only: [merge_requests]
+  extends: .common-build
 
-# ubuntu-llvm-wip:
-#   except: [merge_requests]
-#   extends: .common-build
+ubuntu-llvm-wip:
+  except: [merge_requests]
+  extends: .common-build
 
 .common-prepare:
   # only: [merge_requests]
@@ -101,12 +101,12 @@ stages:
       - build/*/*/*/*.log
       - sb_branch.txt
 
-# ubuntu-superbuild-prepare:
-#   only: [merge_requests]
-#   extends: .common-prepare
-#   image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-superbuild-base:18.04
-#   script:
-#     - ctest -VV -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
+ubuntu-superbuild-prepare:
+  only: [merge_requests]
+  extends: .common-prepare
+  image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-superbuild-base:18.04
+  script:
+    - ctest -VV -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
 
 centos-superbuild-prepare:
   only: [merge_requests, branches]
@@ -115,13 +115,13 @@ centos-superbuild-prepare:
   script:
     - ctest -VV -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-centos-superbuild-base
 
-# ubuntu-superbuild-build:
-#   only: [merge_requests]
-#   extends: .common-build
-#   stage: build
-#   image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-superbuild-base:18.04
-#   script:
-#     - ctest -VV -S CI/build_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
+ubuntu-superbuild-build:
+  only: [merge_requests]
+  extends: .common-build
+  stage: build
+  image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-superbuild-base:18.04
+  script:
+    - ctest -VV -S CI/build_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
 
 centos-superbuild-build:
   only: [merge_requests, branches]