diff --git a/dist/tools/doccheck/check.sh b/dist/tools/doccheck/check.sh
index 3449fba829..c82131a25e 100755
--- a/dist/tools/doccheck/check.sh
+++ b/dist/tools/doccheck/check.sh
@@ -6,52 +6,11 @@
 # General Public License v2.1. See the file LICENSE in the top level
 # directory for more details.
 
-TMP_ERR=$(mktemp)
-TMP_WARN=$(mktemp)
-TMP_DOC=$(mktemp)
-ERR_DIFFFILTER="--diff-filter=AC"
-WARN_DIFFFILTER="--diff-filter=MR"
-
-# If no branch but an option is given, unset BRANCH.
-# Otherwise, consume this parameter.
-BRANCH="${1}"
-if echo "${BRANCH}" | grep -q '^-'; then
-    if [ $(git rev-parse --abbrev-ref HEAD) != "master" ]; then
-        BRANCH="master"
-    else
-        BRANCH=""
-    fi
-else
-    if [ -n "${BRANCH}" ]; then
-        shift 1
-    fi
-fi
-
-
-# select files to check
-if [ -z "${BRANCH}" ]; then
-    git ls-tree -r --full-tree --name-only HEAD | grep -E '\.([sSch]|cpp)$' | sort | uniq > ${TMP_WARN}
-else
-    git diff ${ERR_DIFFFILTER} --name-only $(git merge-base ${BRANCH} HEAD) | grep -E '\.([sSchp]|cpp)$' | sort | uniq > ${TMP_ERR}
-    git diff ${WARN_DIFFFILTER} --name-only $(git merge-base ${BRANCH} HEAD) | grep -E '\.([sSchp]|cpp)$' | sort | uniq > ${TMP_WARN}
-fi
-
-make doc 2>&1 | grep '.*warning' | sed "s#.*${PWD}/\([^:]*\).*#\1#" | sort | uniq > ${TMP_DOC}
-
-WARNINGS=$(comm -1 -2 ${TMP_WARN} ${TMP_DOC})
-ERRORS=$(comm -1 -2 ${TMP_ERR} ${TMP_DOC})
-
-rm ${TMP_ERR} ${TMP_WARN} ${TMP_DOC}
-
-if [ -n "${WARNINGS}" ]
-then
-echo "WARNING: The following modified files generate doxygen warnings:"
-echo "${WARNINGS}"
-fi
+ERRORS=$(make doc 2>&1 | grep '.*warning' | sed "s#.*${PWD}/\([^:]*\).*#\1#" | sort | uniq)
 
 if [ -n "${ERRORS}" ]
 then
-    echo "ERROR: The following new files generate doxygen warnings:"
+    echo "ERROR: The following files generate doxygen warnings:"
     echo "${ERRORS}"
     exit 2
 else