diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IASTBinaryExpression.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IASTBinaryExpression.java
index f2a98dd1e25..c6926f6b313 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IASTBinaryExpression.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IASTBinaryExpression.java
@@ -223,13 +223,6 @@ public interface IASTBinaryExpression extends IASTExpression {
 	 */
 	public static final int op_ellipses= 34;
 	
-	/**
-	 * @deprecated All constants must be defined here, to avoid using the same value twice.
-	 * @noreference This field is not intended to be referenced by clients.
-	 */
-	@Deprecated
-	public static final int op_last = op_ellipses;
-
 	/**
 	 * Get the first operand.
 	 * 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTBinaryExpression.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTBinaryExpression.java
index ab79efc9eb7..6fc2e85716d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTBinaryExpression.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTBinaryExpression.java
@@ -32,14 +32,6 @@ public interface ICPPASTBinaryExpression extends IASTBinaryExpression, ICPPASTEx
 	 */
 	public static final int op_pmarrow = IASTBinaryExpression.op_pmarrow;
 
-	/**
-	 * @deprecated all constants must be defined in {@link IASTBinaryExpression}, to avoid 
-	 * duplicate usage of the same constant.
-	 * @noreference This field is not intended to be referenced by clients.
-	 */
-	@Deprecated
-	public static final int op_last = IASTBinaryExpression.op_last;
-	
 	/**
 	 * @since 5.1
 	 */
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/gnu/cpp/IGPPASTBinaryExpression.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/gnu/cpp/IGPPASTBinaryExpression.java
index 1d090ab3b93..ad60b801ec5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/gnu/cpp/IGPPASTBinaryExpression.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/gnu/cpp/IGPPASTBinaryExpression.java
@@ -30,18 +30,9 @@ public interface IGPPASTBinaryExpression extends ICPPASTBinaryExpression {
 	 */
 	public static final int op_min = IASTBinaryExpression.op_min;
 
-	/**
-	 * @deprecated All constants must be defined in {@link IASTBinaryExpression} to avoid
-	 * using a constant twice.
-	 * @noreference This field is not intended to be referenced by clients.
-	 */
-	@Deprecated
-	public static final int op_last = IASTBinaryExpression.op_last;
-	
 	/**
 	 * @since 5.1
 	 */
 	@Override
 	public IGPPASTBinaryExpression copy();
-
 }