diff --git a/editor.planx.uk/src/themes/frontend.ts b/editor.planx.uk/src/themes/frontend.ts
deleted file mode 100644
index f68886c7d7..0000000000
--- a/editor.planx.uk/src/themes/frontend.ts
+++ /dev/null
@@ -1,84 +0,0 @@
-import { PaletteOptions } from "@mui/material/styles";
-
-// TODO: This looks unused?
-export const darkPalette: PaletteOptions = {
-  mode: "dark",
-  primary: {
-    main: "#fff",
-  },
-  secondary: {
-    main: "#fff",
-  },
-  contrastThreshold: 3,
-  background: {
-    paper: "rgba(255,255,255,0.3)",
-    default: "#0010A4",
-  },
-};
-
-export const lightPalette: PaletteOptions = {
-  mode: "light",
-  primary: {
-    main: "#000",
-  },
-  secondary: {
-    main: "#000",
-  },
-  contrastThreshold: 3,
-  text: {
-    primary: "#000",
-  },
-  background: {
-    paper: "#efefef",
-    default: "#fff",
-  },
-};
-
-export const themeObject = {
-  typography: {
-    fontFamily: "'Inter', Arial",
-    h1: {
-      fontSize: 40,
-      letterSpacing: "-0.02em",
-      fontWeight: 700,
-    },
-    h3: {
-      fontSize: 25,
-      letterSpacing: "-0.02em",
-      fontWeight: 700,
-    },
-    h5: {
-      fontSize: 20,
-      fontWeight: 700,
-    },
-    subtitle1: {
-      fontSize: 20,
-    },
-    body2: {
-      fontSize: 15,
-    },
-  },
-  palette: lightPalette,
-  props: {
-    MuiButton: {
-      color: "secondary",
-    },
-    MuiAccordian: {
-      elevation: 0,
-    },
-  },
-  overrides: {
-    MuiButton: {
-      root: {
-        borderRadius: 0,
-        boxShadow: "none !important",
-        textTransform: "none",
-        fontWeight: 400,
-      },
-      sizeLarge: {
-        minWidth: 180,
-      },
-    },
-    MuiCssBaseline: {},
-  },
-};