diff --git a/js/common/view/ThermometerAndReadout.ts b/js/common/view/ThermometerAndReadout.ts
index 7685b88a..14227129 100644
--- a/js/common/view/ThermometerAndReadout.ts
+++ b/js/common/view/ThermometerAndReadout.ts
@@ -191,7 +191,6 @@ class ThermometerAndReadout extends Node {
       );
 
       // Create the temperature readout.
-      const temperatureReadoutTandem = options.tandem.createTandem( 'temperatureReadout' );
       const temperatureReadout = new NumberDisplay( temperatureValueProperty, new Range( 0, 999 ), {
         centerTop: thermometerNode.centerBottom.plusXY( 0, THERMOMETER_TO_READOUT_DISTANCE ),
         backgroundStroke: Color.BLACK,
@@ -206,10 +205,8 @@ class ThermometerAndReadout extends Node {
         },
         valuePattern: new PatternStringProperty(
           GreenhouseEffectStrings.temperature.units.valueUnitsPatternStringProperty,
-          { units: unitsStringProperty },
-          { tandem: temperatureReadoutTandem.createTandem( 'valuePatternStringProperty' ) }
+          { units: unitsStringProperty }
         ),
-        tandem: temperatureReadoutTandem,
         phetioVisiblePropertyInstrumented: false
       } );
       this.addChild( temperatureReadout );
diff --git a/js/layer-model/view/AtmosphereLayerNode.ts b/js/layer-model/view/AtmosphereLayerNode.ts
index 62b5bdef..20c4e9a8 100644
--- a/js/layer-model/view/AtmosphereLayerNode.ts
+++ b/js/layer-model/view/AtmosphereLayerNode.ts
@@ -118,7 +118,6 @@ class AtmosphereLayerNode extends Node {
     );
 
     // Create the temperature readout.
-    const temperatureReadoutTandem = options.tandem.createTandem( 'temperatureReadout' );
     const temperatureReadout = new NumberDisplay( temperatureValueProperty, new Range( 0, 999 ), {
       visibleProperty: showTemperatureProperty,
       backgroundStroke: Color.BLACK,
@@ -141,12 +140,8 @@ class AtmosphereLayerNode extends Node {
                      fahrenheitString;
             }
           )
-        },
-        {
-          tandem: temperatureReadoutTandem.createTandem( 'valuePatternStringProperty' )
         }
       ),
-      tandem: temperatureReadoutTandem,
       decimalPlaces: 1,
       cornerRadius: 3,
       noValueAlign: 'center',