diff --git a/src/ripple/overlay/impl/Manifest.cpp b/src/ripple/overlay/impl/Manifest.cpp
index c9cb27c38..ee2f8d584 100644
--- a/src/ripple/overlay/impl/Manifest.cpp
+++ b/src/ripple/overlay/impl/Manifest.cpp
@@ -100,11 +100,11 @@ bool Manifest::verify () const
     STObject st (sfGeneric);
     SerialIter sit (serialized.data (), serialized.size ());
     st.set (sit);
-    if (! ripple::verify (st, HashPrefix::manifest, signingKey, true))
+    if (! ripple::verify (st, HashPrefix::manifest, signingKey))
         return false;
 
     return ripple::verify (
-        st, HashPrefix::manifest, masterKey, true, sfMasterSignature);
+        st, HashPrefix::manifest, masterKey, sfMasterSignature);
 }
 
 uint256 Manifest::hash () const
diff --git a/src/ripple/protocol/Sign.h b/src/ripple/protocol/Sign.h
index 1872ba593..86559958c 100644
--- a/src/ripple/protocol/Sign.h
+++ b/src/ripple/protocol/Sign.h
@@ -54,7 +54,7 @@ sign (STObject& st, HashPrefix const& prefix,
 */
 bool
 verify (STObject const& st, HashPrefix const& prefix,
-    PublicKey const& pk, bool mustBeFullyCanonical,
+    PublicKey const& pk,
         SF_Blob const& sigField = sfSignature);
 
 /** Return a Serializer suitable for computing a multisigning TxnSignature. */
diff --git a/src/ripple/protocol/impl/Sign.cpp b/src/ripple/protocol/impl/Sign.cpp
index 6995865f3..1555a8ec3 100644
--- a/src/ripple/protocol/impl/Sign.cpp
+++ b/src/ripple/protocol/impl/Sign.cpp
@@ -36,8 +36,7 @@ sign (STObject& st, HashPrefix const& prefix,
 
 bool
 verify (STObject const& st, HashPrefix const& prefix,
-        PublicKey const& pk, bool mustBeFullyCanonical,
-        SF_Blob const& sigField)
+    PublicKey const& pk, SF_Blob const& sigField)
 {
     auto const sig = get(st, sigField);
     if (! sig)
diff --git a/src/test/overlay/manifest_test.cpp b/src/test/overlay/manifest_test.cpp
index 4330193ae..cd6dd8010 100644
--- a/src/test/overlay/manifest_test.cpp
+++ b/src/test/overlay/manifest_test.cpp
@@ -114,11 +114,11 @@ public:
         st[sfSigningPubKey] = spk;
 
         sign(st, HashPrefix::manifest, stype, ssk);
-        BEAST_EXPECT(verify(st, HashPrefix::manifest, spk, true));
+        BEAST_EXPECT(verify(st, HashPrefix::manifest, spk));
 
         sign(st, HashPrefix::manifest, type, sk, sfMasterSignature);
         BEAST_EXPECT(verify(
-            st, HashPrefix::manifest, pk, true, sfMasterSignature));
+            st, HashPrefix::manifest, pk, sfMasterSignature));
 
         if (broken)
         {