diff --git a/src/mac/sections/06-cmac-tdes-test-vectors.adoc b/src/mac/sections/06-cmac-tdes-test-vectors.adoc
index 73b96df2..1a365a45 100644
--- a/src/mac/sections/06-cmac-tdes-test-vectors.adoc
+++ b/src/mac/sections/06-cmac-tdes-test-vectors.adoc
@@ -14,7 +14,6 @@ The testGroups element at the top level in the test vector JSON object is an arr
 | tgId | Numeric identifier for the test group, unique across the entire vector set | integer
 | testType | Test category type | string
 | direction | The direction of the tests - gen or ver | string
-| keyLen | Length of key in bits to use, AES only| integer
 | msgLen | Length of message in bits | integer
 | macLen | Length of MAC in bits to generate/verify | integer
 | keyingOption | The Keying Option used in TDES. Keying option 1 (1) is 3 distinct keys (K1, K2, K3). Keying Option 2 (2) is 2 distinct only suitable for decrypt (K1, K2, K1). Keying option 3 (No longer valid for testing, save TDES KATs) is a single key, now deprecated (K1, K1, K1). | array | 1, 2