diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/StreamMonitor.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/StreamMonitor.java
deleted file mode 100644
index af4fa61c1fa..00000000000
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/StreamMonitor.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2012 QNX Software Systems and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     QNX Software Systems - Initial API and implementation
- *******************************************************************************/
-package org.eclipse.cdt.make.internal.core;
-
-import java.io.OutputStream;
-
-import org.eclipse.core.runtime.IProgressMonitor;
-
-/**
- *
- * @deprecated as of CDT 8.1. Use org.eclipse.cdt.internal.core.StreamMonitor
- *
- */
-@Deprecated
-public class StreamMonitor extends org.eclipse.cdt.internal.core.StreamProgressMonitor {
-	public StreamMonitor(IProgressMonitor mon, OutputStream cos, int totalWork) {
-		super(mon, cos, totalWork);
-	}
-}
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/newmake/internal/core/StreamMonitor.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/newmake/internal/core/StreamMonitor.java
deleted file mode 100644
index 0b5093e195f..00000000000
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/newmake/internal/core/StreamMonitor.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2012 QNX Software Systems and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     QNX Software Systems - Initial API and implementation
- *******************************************************************************/
-package org.eclipse.cdt.newmake.internal.core;
-
-import java.io.OutputStream;
-
-import org.eclipse.core.runtime.IProgressMonitor;
-
-/**
-*
-* @deprecated as of CDT 8.1. Use org.eclipse.cdt.internal.core.StreamMonitor
-*
-*/
-@Deprecated
-public class StreamMonitor extends org.eclipse.cdt.internal.core.StreamProgressMonitor {
-	public StreamMonitor(IProgressMonitor mon, OutputStream cos, int totalWork) {
-		super(mon, cos, totalWork);
-	}
-}