diff --git a/tools/update-verify/release/common/check_updates.sh b/tools/update-verify/release/common/check_updates.sh
index 84b2ec70fb87..f03d8a069d6e 100644
--- a/tools/update-verify/release/common/check_updates.sh
+++ b/tools/update-verify/release/common/check_updates.sh
@@ -8,17 +8,15 @@ check_updates () {
   source_package=$2
   target_package=$3
   locale=$4
-  # TODO: remove this unused var
-  use_old_updater=$5
-  updater=$6
-  diff_file=$7
-  channel=$8
-  mar_channel_IDs=$9
-  update_to_dep=${10}
+  updater=$5
+  diff_file=$6
+  channel=$7
+  mar_channel_IDs=$8
+  update_to_dep=$9
   local mac_update_settings_dir_override
-  mac_update_settings_dir_override=${11}
+  mac_update_settings_dir_override=${10}
   local product
-  product=${12}
+  product=${11}
 
   # cleanup
   rm -rf source/*
diff --git a/tools/update-verify/release/common/download_mars.sh b/tools/update-verify/release/common/download_mars.sh
index 5682e27ee3fd..d254e5db0c8d 100644
--- a/tools/update-verify/release/common/download_mars.sh
+++ b/tools/update-verify/release/common/download_mars.sh
@@ -39,7 +39,8 @@ download_mars () {
     command=$(echo "$update_line" | sed -e 's/^.*<update //' -e 's:>.*$::' -e 's:\&amp;:\&:g')
     eval "export $command"
 
-    # TODO: fix all these undefined vars
+    # TODO: fix all these undefined vars, or maybe we should just ignore them and accept
+    # the magic?
     if [ -n "$to_build_id" ] && [ "$buildID" != "$to_build_id" ]; then
         echo "TEST-UNEXPECTED-FAIL: expected buildID $to_build_id does not match actual $buildID"
         return 1
diff --git a/tools/update-verify/release/updates/verify.sh b/tools/update-verify/release/updates/verify.sh
index bbaaf5a14f64..4f7201c0482e 100755
--- a/tools/update-verify/release/updates/verify.sh
+++ b/tools/update-verify/release/updates/verify.sh
@@ -111,23 +111,11 @@ do
   channel=""
   from=""
   patch_types="complete"
-  use_old_updater=0
   mar_channel_IDs=""
   updater_package=""
   mac_update_settings_dir_override=""
   eval "$entry"
 
-  # the arguments for updater changed in Gecko 34/SeaMonkey 2.31
-  major_version=$(echo "$release" | cut -f1 -d.)
-  if [[ "$product" == "seamonkey" ]]; then
-    minor_version=$(echo "$release" | cut -f2 -d.)
-    if [[ $major_version -le 2 && $minor_version -lt 31 ]]; then
-      use_old_updater=1
-    fi
-  elif [[ $major_version -lt 34 ]]; then
-      use_old_updater=1
-  fi
-
   # Note: cross platform tests seem to work for everything except Mac-on-Windows.
   # We probably don't care about this use case.
   if [[ "$updater_package" == "" ]]; then
@@ -278,7 +266,7 @@ do
         if [ -e ${diff_file} ]; then
           rm ${diff_file}
         fi
-        check_updates "${platform}" "downloads/${source_file}" "downloads/${target_file}" "${locale}" "${use_old_updater}" "${updater}" ${diff_file} "${channel}" "${mar_channel_IDs}" ${update_to_dep} "${mac_update_settings_dir_override}" "${product}"
+        check_updates "${platform}" "downloads/${source_file}" "downloads/${target_file}" "${locale}" "${updater}" ${diff_file} "${channel}" "${mar_channel_IDs}" ${update_to_dep} "${mac_update_settings_dir_override}" "${product}"
         err=$?
         if [ "$err" == "0" ]; then
           continue