diff --git a/gclient b/gclient
index 4da346d0e..4ff6b3cbd 100755
--- a/gclient
+++ b/gclient
@@ -19,12 +19,4 @@ if [[ "#grep#fetch#cleanup#diff#setdep#" != *"#$1#"* ]]; then
   esac
 fi
 
-# Ensure that "depot_tools" is somewhere in PATH so this tool can be used
-# standalone, but allow other PATH manipulations to take priority.
-PATH=$PATH:$base_dir
-
-if [[ $GCLIENT_PY3 != 1 ]]; then
-  PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/gclient.py" "$@"
-else
-  PYTHONDONTWRITEBYTECODE=1 exec vpython3 "$base_dir/gclient.py" "$@"
-fi
+PYTHONDONTWRITEBYTECODE=1 exec python "$base_dir/gclient.py" "$@"
diff --git a/gclient.bat b/gclient.bat
index bead0c698..5aaff866c 100755
--- a/gclient.bat
+++ b/gclient.bat
@@ -12,9 +12,4 @@ call "%~dp0update_depot_tools.bat" %*
 set PATH=%PATH%;%~dp0
 
 :: Defer control.
-IF "%GCLIENT_PY3%" == "1" (
-  python "%~dp0gclient.py" %*
-) ELSE (
-  :: TODO(1003139): Use vpython3 once vpython3 works on Windows.
-  python3 "%~dp0gclient.py" %*
-)
+python "%~dp0gclient.py" %*