3 files changed, 10 insertions, 25 deletions
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index 81782b501..d18bf51ed 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "1.0.1-rc.5",
+        "changes": [
+            {
+                "note": "Remove Caller and Trezor SignatureTypes",
+                "pr": 1015
+            }
+        ]
+    },
+    {
         "version": "1.0.1-rc.4",
         "changes": [
             {
diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
index f8ed9cf9c..23577efdc 100644
--- a/packages/order-utils/src/signature_utils.ts
+++ b/packages/order-utils/src/signature_utils.ts
@@ -77,12 +77,6 @@ export const signatureUtils = {
                 return signatureUtils.isValidPresignedSignatureAsync(provider, data, signerAddress);
             }
 
-            case SignatureType.Trezor: {
-                const prefixedMessageHex = signatureUtils.addSignedMessagePrefix(data, SignerType.Trezor);
-                const ecSignature = signatureUtils.parseECSignature(signature);
-                return signatureUtils.isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
-            }
-
             default:
                 throw new Error(`Unhandled SignatureType: ${signatureTypeIndexIfExists}`);
         }
@@ -288,10 +282,6 @@ export const signatureUtils = {
                 signatureType = SignatureType.EthSign;
                 break;
             }
-            case SignerType.Trezor: {
-                signatureType = SignatureType.Trezor;
-                break;
-            }
             default:
                 throw new Error(`Unrecognized SignerType: ${signerType}`);
         }
@@ -345,7 +335,7 @@ export const signatureUtils = {
      */
     parseECSignature(signature: string): ECSignature {
         assert.isHexString('signature', signature);
-        const ecSignatureTypes = [SignatureType.EthSign, SignatureType.EIP712, SignatureType.Trezor];
+        const ecSignatureTypes = [SignatureType.EthSign, SignatureType.EIP712];
         assert.isOneOfExpectedSignatureTypes(signature, ecSignatureTypes);
 
         // tslint:disable-next-line:custom-no-magic-numbers
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
index 4ce99a1c7..0e7831b41 100644
--- a/packages/order-utils/test/signature_utils_test.ts
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -76,20 +76,6 @@ describe('Signature utils', () => {
             );
             expect(isValidSignatureLocal).to.be.true();
         });
-
-        it('should return true for a valid Trezor signature', async () => {
-            dataHex = '0xd0d994e31c88f33fd8a572552a70ed339de579e5ba49ee1d17cc978bbe1cdd21';
-            address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb';
-            const trezorSignature =
-                '0x1ce4760660e6495b5ae6723087bea073b3a99ce98ea81fdf00c240279c010e63d05b87bc34c4d67d4776e8d5aeb023a67484f4eaf0fd353b40893e5101e845cd9908';
-            const isValidSignatureLocal = await signatureUtils.isValidSignatureAsync(
-                provider,
-                dataHex,
-                trezorSignature,
-                address,
-            );
-            expect(isValidSignatureLocal).to.be.true();
-        });
     });
     describe('#isValidECSignature', () => {
         const signature = {