--- a/taskcluster/scripts/tester/test-linux.sh
+++ b/taskcluster/scripts/tester/test-linux.sh
@@ -153,18 +153,17 @@ if $NEED_WINDOW_MANAGER; then
     fi
 fi
 
 if [ "${UBUNTU_1604}" ]; then
     maybe_start_pulse
 fi
 
 # For telemetry purposes, the build process wants information about the
-# source it is running; tc-vcs obscures this a little, but we can provide
-# it directly.
+# source it is running
 export MOZ_SOURCE_REPO="${GECKO_HEAD_REPOSITORY}"
 export MOZ_SOURCE_CHANGESET="${GECKO_HEAD_REV}"
 
 # support multiple, space delimited, config files
 config_cmds=""
 for cfg in $MOZHARNESS_CONFIG; do
   config_cmds="${config_cmds} --config-file ${MOZHARNESS_PATH}/configs/${cfg}"
 done

--- a/taskcluster/scripts/tester/test-macosx.sh
+++ b/taskcluster/scripts/tester/test-macosx.sh
@@ -54,18 +54,17 @@ download_mozharness() {
 
     fail "Failed to download and unzip mozharness"
 }
 
 download_mozharness
 rm mozharness.zip
 
 # For telemetry purposes, the build process wants information about the
-# source it is running; tc-vcs obscures this a little, but we can provide
-# it directly.
+# source it is running.
 export MOZ_SOURCE_REPO="${GECKO_HEAD_REPOSITORY}"
 export MOZ_SOURCE_CHANGESET="${GECKO_HEAD_REV}"
 
 # support multiple, space delimited, config files
 config_cmds=""
 for cfg in $MOZHARNESS_CONFIG; do
   config_cmds="${config_cmds} --config-file ${cfg}"
 done