diff --git a/src/share/classes/java/io/ObjectStreamClass.java b/src/share/classes/java/io/ObjectStreamClass.java
index ab104d5223c953cba7ce850db1e01a59ca83d4e6..04873c8a85dbb9b3bb8ccd0a181e24ed85c0fbe4 100644
--- a/src/share/classes/java/io/ObjectStreamClass.java
+++ b/src/share/classes/java/io/ObjectStreamClass.java
@@ -266,9 +266,11 @@ public class ObjectStreamClass implements Serializable {
         if (cl == null) {
             return null;
         }
-        Class<?> caller = Reflection.getCallerClass();
-        if (ReflectUtil.needsPackageAccessCheck(caller.getClassLoader(), cl.getClassLoader())) {
-            ReflectUtil.checkPackageAccess(cl);
+        if (System.getSecurityManager() != null) {
+            Class<?> caller = Reflection.getCallerClass();
+            if (ReflectUtil.needsPackageAccessCheck(caller.getClassLoader(), cl.getClassLoader())) {
+                ReflectUtil.checkPackageAccess(cl);
+            }
         }
         return cl;
     }
diff --git a/src/share/classes/java/io/ObjectStreamField.java b/src/share/classes/java/io/ObjectStreamField.java
index 630637fd7c4d68276b6e9beb29af97e470156e7c..ceae3fd188e3a574ce3cb6d661b46ed8f17bae41 100644
--- a/src/share/classes/java/io/ObjectStreamField.java
+++ b/src/share/classes/java/io/ObjectStreamField.java
@@ -162,9 +162,11 @@ public class ObjectStreamField
      */
     @CallerSensitive
     public Class<?> getType() {
-        Class<?> caller = Reflection.getCallerClass();
-        if (ReflectUtil.needsPackageAccessCheck(caller.getClassLoader(), type.getClassLoader())) {
-            ReflectUtil.checkPackageAccess(type);
+        if (System.getSecurityManager() != null) {
+            Class<?> caller = Reflection.getCallerClass();
+            if (ReflectUtil.needsPackageAccessCheck(caller.getClassLoader(), type.getClassLoader())) {
+                ReflectUtil.checkPackageAccess(type);
+            }
         }
         return type;
     }