diff --git a/ui/src/Components/AlertAck/index.js b/ui/src/Components/AlertAck/index.js
index 0db2fb741..766395d9f 100644
--- a/ui/src/Components/AlertAck/index.js
+++ b/ui/src/Components/AlertAck/index.js
@@ -173,9 +173,7 @@ const AlertAck = observer(
       }
 
       let author =
-        alertStore.settings.values.silenceForm.author !== ""
-          ? alertStore.settings.values.silenceForm.author
-          : silenceFormStore.data.author !== ""
+        silenceFormStore.data.author !== ""
           ? toJS(silenceFormStore.data.author)
           : toJS(alertStore.settings.values.alertAcknowledgement.author);
 
diff --git a/ui/src/Components/AlertAck/index.test.js b/ui/src/Components/AlertAck/index.test.js
index 14f04daa7..d0f772c79 100644
--- a/ui/src/Components/AlertAck/index.test.js
+++ b/ui/src/Components/AlertAck/index.test.js
@@ -192,7 +192,6 @@ describe("<AlertAck />", () => {
   it("uses author from authentication info when auth is enabled", () => {
     alertStore.info.authentication.enabled = true;
     alertStore.info.authentication.username = "auth@example.com";
-    alertStore.settings.values.silenceForm.author = "john@example.com";
     alertStore.settings.values.alertAcknowledgement.durationSeconds = 222;
     alertStore.settings.values.alertAcknowledgement.author = "me";
     alertStore.settings.values.alertAcknowledgement.commentPrefix = "FOO:";
@@ -210,27 +209,9 @@ describe("<AlertAck />", () => {
     });
   });
 
-  it("uses author from alertStore if present", () => {
-    alertStore.settings.values.silenceForm.author = "john@example.com";
-    alertStore.settings.values.alertAcknowledgement.durationSeconds = 222;
-    alertStore.settings.values.alertAcknowledgement.author = "me";
-    alertStore.settings.values.alertAcknowledgement.commentPrefix = "FOO:";
-    MountAndClick();
-    expect(JSON.parse(fetch.mock.calls[0][1].body)).toEqual({
-      comment:
-        "FOO: This alert was acknowledged using karma on Tue Feb 01 2000 00:00:00 GMT+0000",
-      createdBy: "john@example.com",
-      endsAt: "2000-02-01T00:03:42.000Z",
-      matchers: [
-        { isRegex: false, name: "alertname", value: "Fake Alert" },
-        { isRegex: true, name: "foo", value: "(bar|baz)" }
-      ],
-      startsAt: "2000-02-01T00:00:00.000Z"
-    });
-  });
-
-  it("uses author from silenceFormStore if alertStore is empty", () => {
-    alertStore.settings.values.silenceForm.author = "";
+  it("uses author from silenceFormStore if authentication is disabled", () => {
+    alertStore.info.authentication.enabled = false;
+    alertStore.info.authentication.username = "wrong";
     alertStore.settings.values.alertAcknowledgement.durationSeconds = 222;
     alertStore.settings.values.alertAcknowledgement.author = "me";
     alertStore.settings.values.alertAcknowledgement.commentPrefix = "FOO:";
@@ -250,7 +231,6 @@ describe("<AlertAck />", () => {
   });
 
   it("uses default author as fallback", () => {
-    alertStore.settings.values.silenceForm.author = "";
     alertStore.settings.values.alertAcknowledgement.durationSeconds = 222;
     alertStore.settings.values.alertAcknowledgement.author = "me";
     alertStore.settings.values.alertAcknowledgement.commentPrefix = "FOO:";
diff --git a/ui/src/Components/SilenceModal/SilenceForm.js b/ui/src/Components/SilenceModal/SilenceForm.js
index e6a72dfe3..b7aaa7e05 100644
--- a/ui/src/Components/SilenceModal/SilenceForm.js
+++ b/ui/src/Components/SilenceModal/SilenceForm.js
@@ -69,11 +69,6 @@ const SilenceForm = observer(
     populateAuthor = action(() => {
       const { alertStore, silenceFormStore, settingsStore } = this.props;
 
-      if (alertStore.settings.values.silenceForm.author !== "") {
-        settingsStore.silenceFormConfig.config.author =
-          alertStore.settings.values.silenceForm.author;
-      }
-
       if (silenceFormStore.data.author === "") {
         silenceFormStore.data.author =
           settingsStore.silenceFormConfig.config.author;
diff --git a/ui/src/Components/SilenceModal/SilenceForm.test.js b/ui/src/Components/SilenceModal/SilenceForm.test.js
index 40734a056..ae8d7aa14 100644
--- a/ui/src/Components/SilenceModal/SilenceForm.test.js
+++ b/ui/src/Components/SilenceModal/SilenceForm.test.js
@@ -145,25 +145,6 @@ describe("<SilenceForm /> inputs", () => {
     expect(silenceFormStore.data.author).toBe("foo@example.com");
   });
 
-  it("default author value comes from the API response if present", () => {
-    alertStore.settings.values.silenceForm.author = "bar@example.com";
-    settingsStore.silenceFormConfig.config.author = "foo@example.com";
-    const tree = MountedSilenceForm();
-    const input = tree.find("input[placeholder='Author']");
-    expect(input.props().value).toBe("bar@example.com");
-  });
-
-  it("author value from the API response is saved to the Settings store", () => {
-    alertStore.settings.values.silenceForm.author = "bar@example.com";
-    settingsStore.silenceFormConfig.config.author = "";
-    const tree = MountedSilenceForm();
-    const input = tree.find("input[placeholder='Author']");
-    expect(input.props().value).toBe("bar@example.com");
-    expect(settingsStore.silenceFormConfig.config.author).toBe(
-      "bar@example.com"
-    );
-  });
-
   it("default author value is empty if nothing is stored in Settings", () => {
     settingsStore.silenceFormConfig.config.author = "";
     const tree = MountedSilenceForm();
diff --git a/ui/src/Stores/AlertStore.js b/ui/src/Stores/AlertStore.js
index 9bbffedad..84c948377 100644
--- a/ui/src/Stores/AlertStore.js
+++ b/ui/src/Stores/AlertStore.js
@@ -258,7 +258,6 @@ class AlertStore {
           valueMapping: {}
         },
         silenceForm: {
-          author: "",
           strip: {
             labels: []
           }