diff --git a/ports/renesas-ra/build_all_boards.sh b/ports/renesas-ra/build_all_boards.sh
index 49b1cab85d..351047e079 100644
--- a/ports/renesas-ra/build_all_boards.sh
+++ b/ports/renesas-ra/build_all_boards.sh
@@ -2,8 +2,8 @@
 set -eu -o pipefail
 export BOARD="RA4M1_CLICKER"
 DT=`date +%Y%m%d%H%M`
-make DEBUG=1 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
-make DEBUG=1 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
 #
 export BOARD="RA6M2_EK"
 DT=`date +%Y%m%d%H%M`
@@ -12,13 +12,13 @@ make DEBUG=1 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
 #
 export BOARD="RA4M1_EK"
 DT=`date +%Y%m%d%H%M`
-make DEBUG=1 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
-make DEBUG=1 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
 #
 export BOARD="RA4W1_EK"
 DT=`date +%Y%m%d%H%M`
-make DEBUG=1 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
-make DEBUG=1 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD} clean 2>&1 | tee ${BOARD}_build_${DT}.log
+make DEBUG=0 BOARD=${BOARD}       2>&1 | tee -a ${BOARD}_build_${DT}.log
 #
 export BOARD="RA6M1_EK"
 DT=`date +%Y%m%d%H%M`