diff --git a/envsetup.sh b/envsetup.sh
index 531ffd9..38790b4 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1,3 +1,13 @@
+# These unsets should stay to clear the old functions from any long running
+# shells.
+# TODO(danalbert): Remove this in a day or so.
+unset -f gdbwrapper
+unset -f get_symbols_directory
+unset -f adb_get_product_device
+unset -f adb_get_traced_by
+unset -f gdbclient
+unset -f gdbclient_old
+
 function hmm() {
 cat <<EOF
 Invoke ". build/envsetup.sh" from your shell to add the following functions to your environment:
@@ -947,18 +957,6 @@
     fi
 }
 
-function gdbwrapper()
-{
-    local GDB_CMD="$1"
-    shift 1
-    $GDB_CMD -x "$@"
-}
-
-function get_symbols_directory()
-{
-    echo $(get_abs_build_var TARGET_OUT_UNSTRIPPED)
-}
-
 # Read the ELF header from /proc/$PID/exe to determine if the process is
 # 64-bit.
 function is64bit()
@@ -975,291 +973,6 @@
     fi
 }
 
-function adb_get_product_device() {
-  local candidate=`adb shell getprop ro.product.device | sed s/.$//`
-  if [ -z $candidate ]; then
-    candidate=`adb shell getprop ro.hardware | sed s/.$//`
-  fi
-  echo $candidate
-}
-
-# returns 0 when process is not traced
-function adb_get_traced_by() {
-  echo `adb shell cat /proc/$1/status | grep -e "^TracerPid:" | sed "s/^TracerPid:\t//" | sed s/.$//`
-}
-
-function gdbclient() {
-  # TODO:
-  # 1. Check for ANDROID_SERIAL/multiple devices
-  local PROCESS_NAME="n/a"
-  local PID=$1
-  local PORT=5039
-  if [ -z "$PID" ]; then
-    echo "Usage: gdbclient <pid|processname> [port number]"
-    return -1
-  fi
-  local DEVICE=$(adb_get_product_device)
-
-  if [ -z "$DEVICE" ]; then
-    echo "Error: Unable to get device name. Please check if device is connected and ANDROID_SERIAL is set."
-    return -2
-  fi
-
-  if [ -n "$2" ]; then
-    PORT=$2
-  fi
-
-  local ROOT=$(gettop)
-  if [ -z "$ROOT" ]; then
-    # This is for the situation with downloaded symbols (from the build server)
-    # we check if they are available.
-    ROOT=`realpath .`
-  fi
-
-  local OUT_ROOT="$ROOT/out/target/product/$DEVICE"
-  local SYMBOLS_DIR="$OUT_ROOT/symbols"
-  local IS_TAPAS_USER="$(get_build_var TARGET_BUILD_APPS)"
-  local TAPAS_SYMBOLS_DIR=
-
-  if [ $IS_TAPAS_USER ]; then
-    TAPAS_SYMBOLS_DIR=$(get_symbols_directory)
-  fi
-
-  if [ ! -d $SYMBOLS_DIR ]; then
-    if [ $IS_TAPAS_USER ]; then
-      mkdir -p $SYMBOLS_DIR/system/bin
-    else
-      echo "Error: couldn't find symbols: $SYMBOLS_DIR does not exist or is not a directory."
-      return -3
-    fi
-  fi
-
-  # let's figure out which executable we are about to debug
-
-  # check if user specified a name -> resolve to pid
-  if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-    PROCESS_NAME=$PID
-    PID=$(pid --exact $PROCESS_NAME)
-    if [ -z "$PID" ]; then
-      echo "Error: couldn't resolve pid by process name: $PROCESS_NAME"
-      return -4
-    else
-      echo "Resolved pid for $PROCESS_NAME is $PID"
-    fi
-  fi
-
-  local EXE=`adb shell readlink /proc/$PID/exe | sed s/.$//`
-
-  if [ -z "$EXE" ]; then
-    echo "Error: no such pid=$PID - is process still alive?"
-    return -4
-  fi
-
-  local LOCAL_EXE_PATH=$SYMBOLS_DIR$EXE
-
-  if [ ! -f $LOCAL_EXE_PATH ]; then
-    if [ $IS_TAPAS_USER ]; then
-      adb pull $EXE $LOCAL_EXE_PATH
-    else
-      echo "Error: unable to find symbols for executable $EXE: file $LOCAL_EXE_PATH does not exist"
-      return -5
-    fi
-  fi
-
-  local USE64BIT=""
-
-  if [[ "$(file $LOCAL_EXE_PATH)" =~ 64-bit ]]; then
-    USE64BIT="64"
-  fi
-
-  # and now linker for tapas users...
-  if [ -n "$IS_TAPAS_USER" -a ! -f "$SYMBOLS_DIR/system/bin/linker$USE64BIT" ]; then
-    adb pull /system/bin/linker$USE64BIT $SYMBOLS_DIR/system/bin/linker$USE64BIT
-  fi
-
-  local GDB=
-  local GDB64=
-  local CPU_ABI=`adb shell getprop ro.product.cpu.abilist | sed s/.$//`
-  # TODO: we assume these are available via $PATH
-  if [[ $CPU_ABI =~ (^|,)arm64 ]]; then
-    GDB=arm-linux-androideabi-gdb
-    GDB64=aarch64-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)arm ]]; then
-    GDB=arm-linux-androideabi-gdb
-  elif [[ $CPU_ABI =~ (^|,)x86_64 ]]; then
-    GDB=x86_64-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)x86 ]]; then
-    GDB=x86_64-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)mips64 ]]; then
-    GDB=mipsel-linux-android-gdb
-    GDB64=mips64el-linux-android-gdb
-  elif [[ $CPU_ABI =~ (^|,)mips ]]; then
-    GDB=mipsel-linux-android-gdb
-  else
-    echo "Error: unrecognized cpu.abilist: $CPU_ABI"
-    return -6
-  fi
-
-  # TODO: check if tracing process is gdbserver and not some random strace...
-  if [ "$(adb_get_traced_by $PID)" -eq 0 ]; then
-    # start gdbserver
-    echo "Starting gdbserver..."
-    # TODO: check if adb is already listening $PORT
-    # to avoid unnecessary calls
-    echo ". adb forward for port=$PORT..."
-    adb forward tcp:$PORT tcp:$PORT
-    echo ". starting gdbserver to attach to pid=$PID..."
-    adb shell gdbserver$USE64BIT :$PORT --attach $PID &
-    echo ". give it couple of seconds to start..."
-    sleep 2
-    echo ". done"
-  else
-    echo "It looks like gdbserver is already attached to $PID (process is traced), trying to connect to it using local port=$PORT"
-    adb forward tcp:$PORT tcp:$PORT
-  fi
-
-  local OUT_SO_SYMBOLS=$SYMBOLS_DIR/system/lib$USE64BIT
-  local TAPAS_OUT_SO_SYMBOLS=$TAPAS_SYMBOLS_DIR/system/lib$USE64BIT
-  local OUT_VENDOR_SO_SYMBOLS=$SYMBOLS_DIR/vendor/lib$USE64BIT
-  local ART_CMD=""
-
-  local SOLIB_SYSROOT=$SYMBOLS_DIR
-  local SOLIB_SEARCHPATH=$OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl
-
-  if [ $IS_TAPAS_USER ]; then
-    SOLIB_SYSROOT=$TAPAS_SYMBOLS_DIR:$SOLIB_SYSROOT
-    SOLIB_SEARCHPATH=$TAPAS_OUT_SO_SYMBOLS:$SOLIB_SEARCHPATH
-  fi
-
-  echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $SOLIB_SYSROOT"
-  echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $SOLIB_SEARCHPATH"
-  local DALVIK_GDB_SCRIPT=$ROOT/development/scripts/gdb/dalvik.gdb
-  if [ -f $DALVIK_GDB_SCRIPT ]; then
-    echo >>"$OUT_ROOT/gdbclient.cmds" "source $DALVIK_GDB_SCRIPT"
-    ART_CMD="art-on"
-  else
-    echo "Warning: couldn't find $DALVIK_GDB_SCRIPT - ART debugging options will not be available"
-  fi
-  echo >>"$OUT_ROOT/gdbclient.cmds" "target remote :$PORT"
-  if [[ $EXE =~ (^|/)(app_process|dalvikvm)(|32|64)$ ]]; then
-    echo >> "$OUT_ROOT/gdbclient.cmds" $ART_CMD
-  fi
-
-  echo >>"$OUT_ROOT/gdbclient.cmds" ""
-
-  local WHICH_GDB=$GDB
-
-  if [ -n "$USE64BIT" -a -n "$GDB64" ]; then
-    WHICH_GDB=$GDB64
-  fi
-
-  gdbwrapper $WHICH_GDB "$OUT_ROOT/gdbclient.cmds" "$LOCAL_EXE_PATH"
-}
-
-# gdbclient now determines whether the user wants to debug a 32-bit or 64-bit
-# executable, set up the approriate gdbserver, then invokes the proper host
-# gdb.
-function gdbclient_old()
-{
-   local OUT_ROOT=$(get_abs_build_var PRODUCT_OUT)
-   local OUT_SYMBOLS=$(get_abs_build_var TARGET_OUT_UNSTRIPPED)
-   local OUT_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)
-   local OUT_VENDOR_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_VENDOR_SHARED_LIBRARIES_UNSTRIPPED)
-   local OUT_EXE_SYMBOLS=$(get_symbols_directory)
-   local PREBUILTS=$(get_abs_build_var ANDROID_PREBUILTS)
-   local ARCH=$(get_build_var TARGET_ARCH)
-   local GDB
-   case "$ARCH" in
-       arm) GDB=arm-linux-androideabi-gdb;;
-       arm64) GDB=arm-linux-androideabi-gdb; GDB64=aarch64-linux-android-gdb;;
-       mips|mips64) GDB=mips64el-linux-android-gdb;;
-       x86) GDB=x86_64-linux-android-gdb;;
-       x86_64) GDB=x86_64-linux-android-gdb;;
-       *) echo "Unknown arch $ARCH"; return 1;;
-   esac
-
-   if [ "$OUT_ROOT" -a "$PREBUILTS" ]; then
-       local EXE="$1"
-       if [ "$EXE" ] ; then
-           EXE=$1
-           if [[ $EXE =~ ^[^/].* ]] ; then
-               EXE="system/bin/"$EXE
-           fi
-       else
-           EXE="app_process"
-       fi
-
-       local PORT="$2"
-       if [ "$PORT" ] ; then
-           PORT=$2
-       else
-           PORT=":5039"
-       fi
-
-       local PID="$3"
-       if [ "$PID" ] ; then
-           if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-               PID=`pid $3`
-               if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
-                   # that likely didn't work because of returning multiple processes
-                   # try again, filtering by root processes (don't contain colon)
-                   PID=`adb shell ps | \grep $3 | \grep -v ":" | awk '{print $2}'`
-                   if [[ ! "$PID" =~ ^[0-9]+$ ]]
-                   then
-                       echo "Couldn't resolve '$3' to single PID"
-                       return 1
-                   else
-                       echo ""
-                       echo "WARNING: multiple processes matching '$3' observed, using root process"
-                       echo ""
-                   fi
-               fi
-           fi
-           adb forward "tcp$PORT" "tcp$PORT"
-           local USE64BIT="$(is64bit $PID)"
-           adb shell gdbserver$USE64BIT $PORT --attach $PID &
-           sleep 2
-       else
-               echo ""
-               echo "If you haven't done so already, do this first on the device:"
-               echo "    gdbserver $PORT /system/bin/$EXE"
-                   echo " or"
-               echo "    gdbserver $PORT --attach <PID>"
-               echo ""
-       fi
-
-       OUT_SO_SYMBOLS=$OUT_SO_SYMBOLS$USE64BIT
-       OUT_VENDOR_SO_SYMBOLS=$OUT_VENDOR_SO_SYMBOLS$USE64BIT
-
-       echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $OUT_SYMBOLS"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "source $ANDROID_BUILD_TOP/development/scripts/gdb/dalvik.gdb"
-       echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
-       # Enable special debugging for ART processes.
-       if [[ $EXE =~ (^|/)(app_process|dalvikvm)(|32|64)$ ]]; then
-          echo >> "$OUT_ROOT/gdbclient.cmds" "art-on"
-       fi
-       echo >>"$OUT_ROOT/gdbclient.cmds" ""
-
-       local WHICH_GDB=
-       # 64-bit exe found
-       if [ "$USE64BIT" != "" ] ; then
-           WHICH_GDB=$ANDROID_TOOLCHAIN/$GDB64
-       # 32-bit exe / 32-bit platform
-       elif [ "$(get_build_var TARGET_2ND_ARCH)" = "" ]; then
-           WHICH_GDB=$ANDROID_TOOLCHAIN/$GDB
-       # 32-bit exe / 64-bit platform
-       else
-           WHICH_GDB=$ANDROID_TOOLCHAIN_2ND_ARCH/$GDB
-       fi
-
-       gdbwrapper $WHICH_GDB "$OUT_ROOT/gdbclient.cmds" "$OUT_EXE_SYMBOLS/$EXE"
-  else
-       echo "Unable to determine build system output dir."
-   fi
-
-}
-
 case `uname -s` in
     Darwin)
         function sgrep()