diff --git a/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningLineHeaderAnnotationTest.java b/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningLineHeaderAnnotationTest.java
index 859e3294178..f8e2dc19b25 100644
--- a/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningLineHeaderAnnotationTest.java
+++ b/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningLineHeaderAnnotationTest.java
@@ -70,7 +70,6 @@ protected boolean condition() {
 				return fViewer.getTextWidget().isVisible();
 			}
 		}.waitForCondition(display, 3000));
-		DisplayHelper.sleep(textWidget.getDisplay(), 1000);
 	}
 
 	@AfterEach
diff --git a/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningTest.java b/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningTest.java
index 0cb6bfdbfa6..80ffa8985ab 100644
--- a/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningTest.java
+++ b/tests/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningTest.java
@@ -132,7 +132,6 @@ protected boolean condition() {
 				return fViewer.getTextWidget().isVisible();
 			}
 		}.waitForCondition(display, 3000));
-		DisplayHelper.sleep(textWidget.getDisplay(), 1000);
 	}
 
 	@AfterEach