diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 03942451d10752b67efa56b56153c07370da6547..5bcef7ee45c46840bf7b5cd63e9e25f749aae531 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -92,13 +92,13 @@ ubuntu-superbuild-prepare:
   extends: .common-prepare
   image: $BUILD_IMAGE_REGISTRY/otb-ubuntu-superbuild-base:18.04
   script:
-    - ctest -V -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
+    - ctest -VV -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-ubuntu-superbuild-base
 
 centos-superbuild-prepare:
   extends: .common-prepare
   image: $BUILD_IMAGE_REGISTRY/otb-centos-superbuild-base:6.6
   script:
-    - ctest -V -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-centos-superbuild-base
+    - ctest -VV -S CI/prepare_superbuild.cmake -DIMAGE_NAME:string=otb-centos-superbuild-base
 
 ubuntu-superbuild-build:
   extends: .common-build
diff --git a/CI/prepare_superbuild.cmake b/CI/prepare_superbuild.cmake
index 793f58ee1143535e29e51e5329ff0eef6c8febc1..1351510e2a7f759e6861a2dc84515a65f39ceeea 100644
--- a/CI/prepare_superbuild.cmake
+++ b/CI/prepare_superbuild.cmake
@@ -24,8 +24,6 @@ include( "${CMAKE_CURRENT_LIST_DIR}/macros.cmake" )
 set (ENV{LANG} "C") # Only ascii output
 get_filename_component(OTB_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR} DIRECTORY)
 
-set ( DEBUG "1" )
-
 set ( SUPERBUILD_SOURCE_DIR "${OTB_SOURCE_DIR}/SuperBuild" )
 
 set ( CTEST_BUILD_CONFIGURATION "Release" )