Remove an overlay

Read the documentation or view this example full screen.

// This example adds a UI control allowing users to remove the
// ground overlay from the map.

var historicalOverlay;
var map;

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    zoom: 13,
    center: {lat: 40.740, lng: -74.18}
  });

  var imageBounds = {
    north: 40.773941,
    south: 40.712216,
    east: -74.12544,
    west: -74.22655
  };

  historicalOverlay = new google.maps.GroundOverlay(
      'https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
      imageBounds);

  addOverlay();
}

function addOverlay() {
  historicalOverlay.setMap(map);
}

function removeOverlay() {
  historicalOverlay.setMap(null);
}
<div id="floating-panel">
  <input onclick="removeOverlay();" type=button value="Remove overlay">
  <input onclick="addOverlay();" type=button value="Restore overlay">
</div>
<div id="map"></div>
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}
#map {
  height: 100%;
}
#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: 'Roboto','sans-serif';
  line-height: 30px;
  padding-left: 10px;
}
<!-- Replace the value of the key parameter with your own API key. -->
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap">
</script>
JavaScript
// This example adds a UI control allowing users to remove the
// ground overlay from the map.

var historicalOverlay;
var map;

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    zoom: 13,
    center: {lat: 40.740, lng: -74.18}
  });

  var imageBounds = {
    north: 40.773941,
    south: 40.712216,
    east: -74.12544,
    west: -74.22655
  };

  historicalOverlay = new google.maps.GroundOverlay(
      'https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
      imageBounds);

  addOverlay();
}

function addOverlay() {
  historicalOverlay.setMap(map);
}

function removeOverlay() {
  historicalOverlay.setMap(null);
}
JavaScript + HTML
<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Remove an overlay</title>
    <style>
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
      #map {
        height: 100%;
      }
      #floating-panel {
        position: absolute;
        top: 10px;
        left: 25%;
        z-index: 5;
        background-color: #fff;
        padding: 5px;
        border: 1px solid #999;
        text-align: center;
        font-family: 'Roboto','sans-serif';
        line-height: 30px;
        padding-left: 10px;
      }
    </style>
  </head>
  <body>
    <div id="floating-panel">
      <input onclick="removeOverlay();" type=button value="Remove overlay">
      <input onclick="addOverlay();" type=button value="Restore overlay">
    </div>
    <div id="map"></div>
    <script>
      // This example adds a UI control allowing users to remove the
      // ground overlay from the map.

      var historicalOverlay;
      var map;

      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          zoom: 13,
          center: {lat: 40.740, lng: -74.18}
        });

        var imageBounds = {
          north: 40.773941,
          south: 40.712216,
          east: -74.12544,
          west: -74.22655
        };

        historicalOverlay = new google.maps.GroundOverlay(
            'https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
            imageBounds);

        addOverlay();
      }

      function addOverlay() {
        historicalOverlay.setMap(map);
      }

      function removeOverlay() {
        historicalOverlay.setMap(null);
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

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