diff --git a/packages/blockly/tests/playground.html b/packages/blockly/tests/playground.html
index 3fc55bfb136..3146052a25f 100644
--- a/packages/blockly/tests/playground.html
+++ b/packages/blockly/tests/playground.html
@@ -58,7 +58,6 @@
           },
           toolbox: toolbox,
           toolboxPosition: 'start',
-          renderer: 'geras',
           zoom: {
             controls: true,
             wheel: true,
diff --git a/packages/blockly/tests/playgrounds/advanced_playground.html b/packages/blockly/tests/playgrounds/advanced_playground.html
index a1a89446fb3..afe59a1b78c 100644
--- a/packages/blockly/tests/playgrounds/advanced_playground.html
+++ b/packages/blockly/tests/playgrounds/advanced_playground.html
@@ -83,7 +83,6 @@
           },
           toolbox: toolboxCategories,
           toolboxPosition: 'start',
-          renderer: 'geras',
           zoom: {
             controls: true,
             wheel: true,