diff --git a/dockerfile_images/basic/superbuild-icubhead-robometry/Dockerfile b/dockerfile_images/basic/superbuild-icubhead-robometry/Dockerfile
index d4ed69b..5656c25 100644
--- a/dockerfile_images/basic/superbuild-icubhead-robometry/Dockerfile
+++ b/dockerfile_images/basic/superbuild-icubhead-robometry/Dockerfile
@@ -56,7 +56,6 @@ RUN cd ${PROJECTS_DIR}/robotology-superbuild &&\
         -DNON_INTERACTIVE_BUILD:BOOL=OFF \
         -DROBOTOLOGY_ENABLE_CORE:BOOL=ON \
         -DROBOTOLOGY_ENABLE_ICUB_HEAD:BOOL=ON \
-        -DYCM_EP_INSTALL_DIR=${INSTALL_DIR} \ 
         # for enabling robometry
         -DROBOTOLOGY_ENABLE_DYNAMICS:BOOL=ON \ 
         -DROBOTOLOGY_USES_GAZEBO=OFF \
diff --git a/dockerfile_images/basic/superbuild-icubhead-withuser/Dockerfile b/dockerfile_images/basic/superbuild-icubhead-withuser/Dockerfile
index 15964f7..755dcd9 100644
--- a/dockerfile_images/basic/superbuild-icubhead-withuser/Dockerfile
+++ b/dockerfile_images/basic/superbuild-icubhead-withuser/Dockerfile
@@ -104,7 +104,6 @@ COPY --from=builder / /
 # # The bashrc is read only when opening an interactive shell. Let other projects find packages contained
 # # in the superbuild.
 ENV CMAKE_PREFIX_PATH=${INSTALL_DIR}
-# ENV YCM_EP_INSTALL_DIR=${INSTALL_DIR}
 
 #The EXPOSE instruction does not actually publish the port.
 #It functions as a type of documentation between the person who builds the image and the person who runs the container, about which ports are intended to be published.