diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java
index 4936704d67c..fa9244a58d7 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java
@@ -280,10 +280,8 @@ protected void doHierarchyRefreshBackground(final IJavaElement[] elements, final
 				}
 				if (pm.isCanceled())
 					return;
-				JavaCore.runReadOnly(() -> {
-					fTypeHierarchyViewPart.setViewersInput();
-					fTypeHierarchyViewPart.updateViewers();
-				});
+				fTypeHierarchyViewPart.setViewersInput();
+				fTypeHierarchyViewPart.updateViewers();
 			});
 		}
 	}