diff --git a/install.sh b/install.sh
index 8930674..b897b79 100644
--- a/install.sh
+++ b/install.sh
@@ -19,16 +19,10 @@ echo "idm: linking klippy to idm.py."
 if [ -e "${KDIR}/klippy/extras/idm.py" ]; then
     rm "${KDIR}/klippy/extras/idm.py"
 fi
-if [ -e "${KDIR}/klippy/extras/idm_accel.py" ]; then
-    rm "${KDIR}/klippy/extras/idm_accel.py"
-fi
 ln -s "${BKDIR}/idm.py" "${KDIR}/klippy/extras/idm.py"
-ln -s "${BKDIR}/idm_accel.py" "${KDIR}/klippy/extras/idm_accel.py"
 # exclude idm.py from klipper git tracking
 if ! grep -q "klippy/extras/idm.py" "${KDIR}/.git/info/exclude"; then
     echo "klippy/extras/idm.py" >> "${KDIR}/.git/info/exclude"
 fi
-if ! grep -q "klippy/extras/idm_accel.py" "${KDIR}/.git/info/exclude"; then
-    echo "klippy/extras/idm_accel.py" >> "${KDIR}/.git/info/exclude"
 fi
 echo "idm: installation successful."