diff --git a/app/scripts/lib/personal-message-manager.js b/app/scripts/lib/personal-message-manager.js
index 8440fa4ce0ac..bb0a2b0c1e04 100644
--- a/app/scripts/lib/personal-message-manager.js
+++ b/app/scripts/lib/personal-message-manager.js
@@ -153,15 +153,6 @@ export default class PersonalMessageManager extends EventEmitter {
     const siwe = detectSIWE(msgParams);
     msgParams.siwe = siwe;
 
-    if (siwe.isSIWEMessage && req.origin) {
-      const { host } = new URL(req.origin);
-      if (siwe.parsedMessage.domain !== host) {
-        throw new Error(
-          `SIWE domain is not valid: "${host}" !== "${siwe.parsedMessage.domain}"`,
-        );
-      }
-    }
-
     // create txData obj with parameters and meta data
     const time = new Date().getTime();
     const msgId = createId();
diff --git a/app/scripts/lib/personal-message-manager.test.js b/app/scripts/lib/personal-message-manager.test.js
index a4f8f4613f6d..e565c0229b69 100644
--- a/app/scripts/lib/personal-message-manager.test.js
+++ b/app/scripts/lib/personal-message-manager.test.js
@@ -178,15 +178,5 @@ describe('Personal Message Manager', () => {
       const result2 = messageManager.getMsg(msgId2);
       expect(result2.msgParams.siwe.isSIWEMessage).toStrictEqual(false);
     });
-
-    it("should throw an error if the SIWE message's domain doesn't match", async () => {
-      const request = { origin: 'https://mismatched-domain.com' };
-      const { host: siweDomain } = new URL(origin);
-      const { host: browserDomain } = new URL(request.origin);
-      const expectedError = `SIWE domain is not valid: "${browserDomain}" !== "${siweDomain}"`;
-      await expect(async () => {
-        await messageManager.addUnapprovedMessage(msgParams, request);
-      }).rejects.toThrow(expectedError);
-    });
   });
 });
diff --git a/ui/components/app/signature-request-siwe/index.scss b/ui/components/app/signature-request-siwe/index.scss
index a6de5df10bdf..2dedc438ace4 100644
--- a/ui/components/app/signature-request-siwe/index.scss
+++ b/ui/components/app/signature-request-siwe/index.scss
@@ -21,18 +21,25 @@
     box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.08);
   }
 
+  /** @todo replace ActionableMessage or remove overwritten code. */
   .signature-request-siwe__actionable-message {
-    margin: 0 16px 16px;
+    margin: 0 16px;
+    flex-direction: row;
+    align-items: initial;
 
     .icon {
       position: absolute;
       left: 17px;
       top: 13px;
     }
-  }
 
-  .actionable-message--with-icon.actionable-message--with-right-button {
-    padding-left: 48px;
+    .actionable-message__message {
+      padding-left: 16px;
+    }
+
+    &.actionable-message--with-icon {
+      padding-left: 16px;
+    }
   }
 }
 
diff --git a/ui/components/app/signature-request-siwe/signature-request-siwe.js b/ui/components/app/signature-request-siwe/signature-request-siwe.js
index 9aae8922899e..4ae5533eb887 100644
--- a/ui/components/app/signature-request-siwe/signature-request-siwe.js
+++ b/ui/components/app/signature-request-siwe/signature-request-siwe.js
@@ -131,7 +131,6 @@ export default function SignatureRequestSIWE({
           }
           iconFillColor="var(--color-error-default)"
           useIcon
-          withRightButton
           icon={<Icon name="danger" color={IconColor.errorDefault} />}
         />
       )}