diff --git a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerImpl.java b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerImpl.java
index 31572d3..f06f94f 100644
--- a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerImpl.java
+++ b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerImpl.java
@@ -3,7 +3,7 @@
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
- * 
+ *
  * SPDX-License-Identifier: EPL-2.0
  *
  *******************************************************************************/
@@ -37,7 +37,6 @@
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	public Object getValidator(IScriptProject project, Class validatorType) {
 		if (ISourceModuleValidator.class.equals(validatorType)) {
 			final ValidatorInstanceResponse response = TclCheckerConfigUtils.getConfiguration(project,
diff --git a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerType.java b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerType.java
index f6c5e84..897e32d 100644
--- a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerType.java
+++ b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/TclCheckerType.java
@@ -3,7 +3,7 @@
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
- * 
+ *
  * SPDX-License-Identifier: EPL-2.0
  *
  *******************************************************************************/
@@ -31,7 +31,6 @@
 
 	private final TclCheckerImpl checker;
 
-	@SuppressWarnings("unchecked")
 	public TclCheckerType() {
 		this.checker = new TclCheckerImpl(CHECKER_ID, this);
 		this.checker.setName(CHECKER_ID);
diff --git a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/ui/preferences/TclCheckerConfigurationDialog.java b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/ui/preferences/TclCheckerConfigurationDialog.java
index e5d07a8..549eba7 100644
--- a/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/ui/preferences/TclCheckerConfigurationDialog.java
+++ b/tcl/plugins/org.eclipse.dltk.tcl.tclchecker/src/org/eclipse/dltk/tcl/internal/tclchecker/ui/preferences/TclCheckerConfigurationDialog.java
@@ -141,7 +141,6 @@
 		}
 
 		@Override
-		@SuppressWarnings("unchecked")
 		public Object[] getElements(Object inputElement) {
 			if (inputElement instanceof List) {
 				return ((List) inputElement).toArray();