diff --git a/core/tests/run_tests_device_emu_monero.sh b/core/tests/run_tests_device_emu_monero.sh
index ea2140e43..93999b424 100755
--- a/core/tests/run_tests_device_emu_monero.sh
+++ b/core/tests/run_tests_device_emu_monero.sh
@@ -5,30 +5,14 @@
 : "${RUN_TEST_EMU:=1}"
 
 CORE_DIR="$(SHELL_SESSION_FILE='' && cd "$( dirname "${BASH_SOURCE[0]}" )/.." >/dev/null 2>&1 && pwd )"
-MICROPYTHON="${MICROPYTHON:-$CORE_DIR/build/unix/micropython}"
-TREZOR_SRC="${CORE_DIR}/src"
 
-DISABLE_ANIMATION=1
-PYOPT="${PYOPT:-0}"
 upy_pid=""
 
 # run emulator if RUN_TEST_EMU
 if [[ $RUN_TEST_EMU > 0 ]]; then
-  source ../trezor_cmd.sh
-
-  # remove flash and sdcard files before run to prevent inconsistent states
-  mv "${TREZOR_PROFILE_DIR}/trezor.flash" "${TREZOR_PROFILE_DIR}/trezor.flash.bkp" 2>/dev/null
-  mv "${TREZOR_PROFILE_DIR}/trezor.sdcard" "${TREZOR_PROFILE_DIR}/trezor.sdcard.bkp" 2>/dev/null
-
-  cd "${TREZOR_SRC}"
-  echo "Starting emulator: $MICROPYTHON $ARGS ${MAIN}"
-
-  TREZOR_TEST=1 \
-  TREZOR_DISABLE_ANIMATION=$DISABLE_ANIMATION \
-    $MICROPYTHON $ARGS "${MAIN}" &> "${TREZOR_LOGFILE}" &
+  ../emu.py --disable-animation --temporary-profile --quiet --headless &
   upy_pid=$!
-  cd -
-  sleep 30
+  trezorctl -v wait-for-emulator
 fi
 
 DOCKER_ID=""
@@ -36,7 +20,7 @@ DOCKER_ID=""
 # Test termination trap
 terminate_test() {
   if [[ $# > 0 ]]; then error=$1; fi
-  if [ -n "$upy_pid" ]; then kill $upy_pid 2> /dev/null; fi
+  if [ -n "$upy_pid" ]; then kill -- -$upy_pid 2> /dev/null; fi
   if [ -n "$DOCKER_ID" ]; then docker kill $DOCKER_ID 2>/dev/null >/dev/null; fi
   exit $error
 }