diff --git a/crypto_kem/ntruhps2048677/META.yml b/crypto_kem/ntruhps2048677/META.yml
index 7a8218e4..f46ca086 100644
--- a/crypto_kem/ntruhps2048677/META.yml
+++ b/crypto_kem/ntruhps2048677/META.yml
@@ -2,6 +2,7 @@ name: ntru-hps2048677
 type: kem
 claimed-nist-level: 3
 length-public-key: 930
+length-secret-key: 1234
 length-ciphertext: 930
 length-shared-secret: 32
 testvectors-sha256: 949f3ff44551abe3efd08e3527dd72a0bfba1df50deb49f619becf8b19ac283b
@@ -19,4 +20,3 @@ auxiliary-submitters:
 implementations:
     - name: clean
       version: https://csrc.nist.gov/CSRC/media/Projects/Post-Quantum-Cryptography/documents/round-2/submissions/NTRU-Round2.zip reference implemntation
-      length-secret-key: 1234
diff --git a/crypto_kem/ntruhps4096821/META.yml b/crypto_kem/ntruhps4096821/META.yml
index 216ffa0e..a3e76c34 100644
--- a/crypto_kem/ntruhps4096821/META.yml
+++ b/crypto_kem/ntruhps4096821/META.yml
@@ -2,6 +2,7 @@ name: ntru-hps4096821
 type: kem
 claimed-nist-level: 5
 length-public-key: 1230
+length-secret-key: 1590
 length-ciphertext: 1230
 length-shared-secret: 32
 testvectors-sha256: 099c3d9b6700608f9c7c95b89efbda75841a1e620a0d3bb0b6e7d403ca249e3f
@@ -19,4 +20,3 @@ auxiliary-submitters:
 implementations:
     - name: clean
       version: https://csrc.nist.gov/CSRC/media/Projects/Post-Quantum-Cryptography/documents/round-2/submissions/NTRU-Round2.zip reference implemntation
-      length-secret-key: 1590
diff --git a/crypto_kem/ntruhrss701/META.yml b/crypto_kem/ntruhrss701/META.yml
index 21e1930f..a18286fc 100644
--- a/crypto_kem/ntruhrss701/META.yml
+++ b/crypto_kem/ntruhrss701/META.yml
@@ -2,6 +2,7 @@ name: ntru-hrss701
 type: kem
 claimed-nist-level: 3
 length-public-key: 1138
+length-secret-key: 1450
 length-ciphertext: 1138
 length-shared-secret: 32
 testvectors-sha256: a0082a6607ab054c296a02e1bea1b5d7ee8465077ee7989ab4295f9e464d0558
@@ -19,4 +20,3 @@ auxiliary-submitters:
 implementations:
     - name: clean
       version: https://csrc.nist.gov/CSRC/media/Projects/Post-Quantum-Cryptography/documents/round-2/submissions/NTRU-Round2.zip reference implemntation
-      length-secret-key: 1450