diff --git a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/tck/FastRTckTest.java b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/tck/FastRTckTest.java
index 4c846ea7e66c13cbc9d9d1502baf5240b6f68771..2e1e7af8b3579f89026a28b8f47f67d6992b81fd 100644
--- a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/tck/FastRTckTest.java
+++ b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/tck/FastRTckTest.java
@@ -274,6 +274,16 @@ public class FastRTckTest extends TruffleTCK {
         // no longs in FastR
     }
 
+    @Override
+    public void testPlusWithBytes() throws Exception {
+        // no bytes in FastR
+    }
+
+    @Override
+    public void testPlusWithOneNegativeByte() throws Exception {
+        // no bytes in FastR
+    }
+
     @Override
     public void testPlusWithShort() throws Exception {
         // no shorts in FastR