diff --git a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
index eb11385b32fd..a5e87a3f9279 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
@@ -1503,6 +1503,7 @@ public class DocumentationComponent extends JPanel implements Disposable, DataPr
 
   @Override
   public void dispose() {
+    myEditorPane.getCaret().setVisible(false); // Caret, if blinking, has to be deactivated.
     myBackStack.clear();
     myForwardStack.clear();
     myKeyboardActions.clear();