diff --git a/lib/storage/metadata/in_memory/metastore.js b/lib/storage/metadata/in_memory/metastore.js
index 75905e670..ed9e62e00 100644
--- a/lib/storage/metadata/in_memory/metastore.js
+++ b/lib/storage/metadata/in_memory/metastore.js
@@ -26,18 +26,7 @@ function inc(str) {
 }
 
 const metastore = {
-    // Used for simulation of metadata errors.
-    error: () => {},
-
-    setErrorFunc(func) {
-        this.error = func;
-        return this;
-    },
-
-    clearErrorFunc() {
-        this.error = () => {};
-        return this;
-    },
+    errors: {}, // Used for simulation of metadata errors.
 
     createBucket: (bucketName, bucketMD, log, cb) => {
         process.nextTick(() => {
@@ -94,9 +83,8 @@ const metastore = {
     },
 
     putObject: (bucketName, objName, objVal, params, log, cb) => {
-        const err = metastore.error(metastore.putObject.name);
-        if (err) {
-            return process.nextTick(() => cb(err));
+        if (metastore.errors.putObject) {
+            return process.nextTick(() => cb(metastore.errors.putObject));
         }
         return process.nextTick(() => {
             metastore.getBucketAttributes(bucketName, log, err => {
@@ -169,11 +157,7 @@ const metastore = {
     },
 
     getObject: (bucketName, objName, params, log, cb) => {
-        const err = metastore.error(metastore.getObject.name, objName);
-        if (err) {
-            return process.nextTick(() => cb(err));
-        }
-        return process.nextTick(() => {
+        process.nextTick(() => {
             metastore.getBucketAttributes(bucketName, log, err => {
                 if (err) {
                     return cb(err);