diff --git a/packages/theme/api-report.md b/packages/theme/api-report.md
index 772e868635..043d7d37ac 100644
--- a/packages/theme/api-report.md
+++ b/packages/theme/api-report.md
@@ -53,10 +53,6 @@ export type BackstagePaletteAdditions = {
   };
   bursts: {
     fontColor: string;
-    slackChannelText: string;
-    backgroundColor: {
-      default: string;
-    };
     gradient: {
       linear: string;
     };
diff --git a/packages/theme/src/themes.ts b/packages/theme/src/themes.ts
index b048c70fec..e5551f7796 100644
--- a/packages/theme/src/themes.ts
+++ b/packages/theme/src/themes.ts
@@ -39,10 +39,6 @@ export const lightTheme = createTheme({
     },
     bursts: {
       fontColor: '#FEFEFE',
-      slackChannelText: '#ddd',
-      backgroundColor: {
-        default: '#7C3699',
-      },
       gradient: {
         linear: 'linear-gradient(-137deg, #4BB8A5 0%, #187656 100%)',
       },
@@ -116,10 +112,6 @@ export const darkTheme = createTheme({
     },
     bursts: {
       fontColor: '#FEFEFE',
-      slackChannelText: '#ddd',
-      backgroundColor: {
-        default: '#7C3699',
-      },
       gradient: {
         linear: 'linear-gradient(-137deg, #4BB8A5 0%, #187656 100%)',
       },
diff --git a/packages/theme/src/types.ts b/packages/theme/src/types.ts
index 96b7c54f9b..ed7e9fdd25 100644
--- a/packages/theme/src/types.ts
+++ b/packages/theme/src/types.ts
@@ -68,10 +68,6 @@ export type BackstagePaletteAdditions = {
    */
   bursts: {
     fontColor: string;
-    slackChannelText: string;
-    backgroundColor: {
-      default: string;
-    };
     gradient: {
       linear: string;
     };