diff --git a/packages/core/src/lib/Config.ts b/packages/core/src/lib/Config.ts
index 861e0122..848492f1 100644
--- a/packages/core/src/lib/Config.ts
+++ b/packages/core/src/lib/Config.ts
@@ -242,6 +242,7 @@ export class MemLabConfig {
   maxSamplesForClustering: number;
   filterTraceByName: Nullable<string>;
   skipBrowserCloseWait: boolean;
+  simplifyCodeSerialization: boolean;
 
   constructor(options: ConfigOption = {}) {
     // init properties, they can be configured manually
@@ -375,6 +376,9 @@ export class MemLabConfig {
     this.filterTraceByName = null;
     // if true, memlab will not wait for the browser to close successfully
     this.skipBrowserCloseWait = false;
+    // if true, serialized leak trace will have a simplified representation
+    // for code object, which could be large and cause OOM during serualization
+    this.simplifyCodeSerialization = !constant.isFB;
   }
 
   // initialize configurable parameters
diff --git a/packages/core/src/lib/Serializer.ts b/packages/core/src/lib/Serializer.ts
index 2f67a701..41ebbc21 100644
--- a/packages/core/src/lib/Serializer.ts
+++ b/packages/core/src/lib/Serializer.ts
@@ -329,18 +329,23 @@ function JSONifyCode(
   options: JSONifyOptions,
 ): ISerializedInfo {
   const info = Object.create(null);
+
   iterateSelectedEdges(node, (edge: IHeapEdge): Optional<{stop: boolean}> => {
     if (
       edge.name_or_index === 'name_or_scope_info' &&
       edge.toNode.name === '(function scope info)'
     ) {
       const key = 'variables with non-number values in closure scope chain';
-      info[key] = JSONifyNode(edge.toNode, args, options);
+      info[key] = config.simplifyCodeSerialization
+        ? JSONifyNodeOneLevel(edge.toNode)
+        : JSONifyNode(edge.toNode, args, options);
     } else if (edge.name_or_index === 'script_or_debug_info') {
       info['script URL'] = edge.toNode.name;
     } else {
       const key = filterJSONPropName(edge.name_or_index);
-      info[key] = JSONifyNode(edge.toNode, args, options);
+      info[key] = config.simplifyCodeSerialization
+        ? JSONifyNodeOneLevel(edge.toNode)
+        : JSONifyNode(edge.toNode, args, options);
     }
     return null;
   });