diff --git a/src/cdk/tree/tsconfig-build.json b/src/cdk/tree/tsconfig-build.json
index 928747959b4..7cc5e75d445 100644
--- a/src/cdk/tree/tsconfig-build.json
+++ b/src/cdk/tree/tsconfig-build.json
@@ -6,7 +6,7 @@
   ],
   "angularCompilerOptions": {
     "annotateForClosureCompiler": true,
-    "strictMetadataEmit": true,
+    "strictMetadataEmit": false, // Workaround for Angular #22210
     "flatModuleOutFile": "index.js",
     "flatModuleId": "@angular/cdk/tree",
     "skipTemplateCodegen": true
diff --git a/src/lib/tree/tsconfig-build.json b/src/lib/tree/tsconfig-build.json
index 6938790ee3a..3abea535fbe 100644
--- a/src/lib/tree/tsconfig-build.json
+++ b/src/lib/tree/tsconfig-build.json
@@ -6,7 +6,7 @@
   ],
   "angularCompilerOptions": {
     "annotateForClosureCompiler": true,
-    "strictMetadataEmit": true,
+    "strictMetadataEmit": false, // Workaround for Angular #22210
     "flatModuleOutFile": "index.js",
     "flatModuleId": "@angular/material/tree",
     "skipTemplateCodegen": true,