Index: oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/session/NodeImpl.java
===================================================================
--- oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/session/NodeImpl.java	(revision 1822193)
+++ oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/session/NodeImpl.java	(working copy)
@@ -1286,9 +1286,9 @@
     }
 
     @Nonnull
-    private Iterator<String> getMixinTypeNames(@Nonnull Tree tree) throws RepositoryException {
+    private Iterator<String> getMixinTypeNames(@Nonnull Tree tree) {
         Iterator<String> mixinNames = Collections.emptyIterator();
-        if (tree.hasProperty(JcrConstants.JCR_MIXINTYPES) || canReadProperty(tree, JcrConstants.JCR_MIXINTYPES)) {
+        if (tree.hasProperty(JcrConstants.JCR_MIXINTYPES)) {
             mixinNames = TreeUtil.getNames(tree, JcrConstants.JCR_MIXINTYPES).iterator();
         } else if (tree.getStatus() != Status.NEW) {
             // OAK-2441: for backwards compatibility with Jackrabbit 2.x try to
@@ -1300,12 +1300,6 @@
         return mixinNames;
     }
 
-    private boolean canReadProperty(@Nonnull Tree tree, @Nonnull String propName) throws RepositoryException {
-        String propPath = PathUtils.concat(tree.getPath(), propName);
-        String permName = Permissions.PERMISSION_NAMES.get(Permissions.READ_PROPERTY);
-        return sessionContext.getAccessManager().hasPermissions(propPath, permName);
-    }
-
     private EffectiveNodeType getEffectiveNodeType() throws RepositoryException {
         return getNodeTypeManager().getEffectiveNodeType(dlg.getTree());
     }
Index: oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/document/GetMixinNodeTypesTest.java
===================================================================
--- oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/document/GetMixinNodeTypesTest.java	(revision 1822193)
+++ oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/document/GetMixinNodeTypesTest.java	(working copy)
@@ -28,7 +28,6 @@
 import org.apache.jackrabbit.oak.plugins.document.memory.MemoryDocumentStore;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 
@@ -41,7 +40,6 @@
  * that check the existence of a jcr:mixinTypes child node when
  * getMixinNodeTypes() is called.
  */
-@Ignore
 public class GetMixinNodeTypesTest {
 
     @Rule