diff --git a/assembly/api-generic.ts b/assembly/api-generic.ts
index d962040..5c79cda 100644
--- a/assembly/api-generic.ts
+++ b/assembly/api-generic.ts
@@ -119,7 +119,6 @@ export function runVm(input: VmInput, logs: boolean = false): VmOutput {
 
   // release used pages back
   int.memory.free();
-  builder.destroy();
 
   return output;
 }
diff --git a/assembly/api.ts b/assembly/api.ts
index c632da0..65abc0e 100644
--- a/assembly/api.ts
+++ b/assembly/api.ts
@@ -2,13 +2,13 @@ import { InitialChunk, InitialPage, buildMemory } from "./api-generic";
 import { Decoder } from "./codec";
 import { Gas } from "./gas";
 import { Interpreter, Status } from "./interpreter";
-import {MemoryBuilder} from "./memory";
+import { MemoryBuilder } from "./memory";
 import { Access, PAGE_SIZE } from "./memory-page";
 import { decodeProgram, liftBytes } from "./program";
 import { NO_OF_REGISTERS, REG_SIZE_BYTES, Registers } from "./registers";
 
 let interpreter: Interpreter | null = null;
-let builder = new MemoryBuilder();
+const builder = new MemoryBuilder();
 
 export function resetGeneric(program: u8[], flatRegisters: u8[], initialGas: Gas): void {
   const p = decodeProgram(liftBytes(program));
diff --git a/assembly/memory-page.ts b/assembly/memory-page.ts
index 4e28496..3c0719e 100644
--- a/assembly/memory-page.ts
+++ b/assembly/memory-page.ts
@@ -73,13 +73,4 @@ export class Arena {
   release(page: RawPage): void {
     this.free.push(page);
   }
-
-  /**
-  * Seems like there is an issue with cyclic dependency here that AS GC can't resolve,
-  * so we have to clear the references manually.
-  */
-  destroy(): void {
-    this.free = [];
-    this.extraPageIndex = 0;
-  }
 }
diff --git a/assembly/memory.ts b/assembly/memory.ts
index e3e7efa..896e305 100644
--- a/assembly/memory.ts
+++ b/assembly/memory.ts
@@ -55,10 +55,6 @@ export class MemoryBuilder {
   build(sbrkAddress: u32): Memory {
     return new Memory(this.arena, this.pages, sbrkAddress);
   }
-
-  destroy(): void {
-    this.arena.destroy();
-  }
 }
 
 export class Memory {