1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/Type.java b/src/main/java/com/google/devtools/build/lib/syntax/Type.java
index e543315251..49d0b74c3b 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/Type.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/Type.java
@@ -143,9 +143,9 @@ public abstract class Type<T> {
 
   /**
    * Implementation of concatenation for this type (e.g. "val1 + val2"). Returns null to
-   * designate concatenation isn't supported.
+   * indicate concatenation isn't supported.
    */
-  public T concat(Iterable<T> elements) {
+  public T concat(@SuppressWarnings("unused") Iterable<T> elements) {
     return null;
   }