diff --git a/src/block/design-library/index.js b/src/block/design-library/index.js
index 137215f563..d7a79d0046 100644
--- a/src/block/design-library/index.js
+++ b/src/block/design-library/index.js
@@ -24,6 +24,7 @@ export const settings = {
 	},
 	supports: {
 		stkSaveBlockStyle: false,
+		inserter: false, // Always hide design library from block inserter
 	},
 	example: {
 		attributes: {
diff --git a/src/disabled-blocks.js b/src/disabled-blocks.js
index ffdd7917ae..78f16af619 100644
--- a/src/disabled-blocks.js
+++ b/src/disabled-blocks.js
@@ -97,7 +97,10 @@ const applySettingsToMeta = metadata => {
 	if ( typeof metadata.supports === 'undefined' ) {
 		metadata.supports = {}
 	}
-	metadata.supports.inserter = inserter
+
+	if ( typeof metadata.supports.inserter === 'undefined' ) {
+		metadata.supports.inserter = inserter
+	}
 
 	return metadata
 }