diff --git a/web/packages/base/components/mui/LoadingButton.tsx b/web/packages/base/components/mui/LoadingButton.tsx
index d90e668ff4..ca7cdfbbd4 100644
--- a/web/packages/base/components/mui/LoadingButton.tsx
+++ b/web/packages/base/components/mui/LoadingButton.tsx
@@ -7,9 +7,6 @@ import React from "react";
  * prop is set.
  *
  * The button is also disabled when in the loading state.
- *
- * TODO: This duplicates the existing SubmitButton. Merge these two gradually
- * (didn't want to break existing layouts, so will do it piecewise).
  */
 export const LoadingButton: React.FC<ButtonProps & { loading?: boolean }> = ({
     loading,
diff --git a/web/packages/shared/components/SubmitButton.tsx b/web/packages/shared/components/SubmitButton.tsx
deleted file mode 100644
index e2e3721957..0000000000
--- a/web/packages/shared/components/SubmitButton.tsx
+++ /dev/null
@@ -1,53 +0,0 @@
-import Done from "@mui/icons-material/Done";
-import { Button, CircularProgress, type ButtonProps } from "@mui/material";
-import React from "react";
-
-export interface SubmitButtonProps {
-    loading: boolean;
-    buttonText: string;
-
-    disabled?: boolean;
-    success?: boolean;
-}
-const SubmitButton: React.FC<ButtonProps<"button", SubmitButtonProps>> = ({
-    loading,
-    buttonText,
-    disabled,
-    success,
-    sx,
-    ...props
-}) => {
-    return (
-        <Button
-            size="large"
-            variant="contained"
-            color="accent"
-            type="submit"
-            disabled={disabled || loading || success}
-            sx={{
-                my: 4,
-                ...(loading
-                    ? {
-                          "&.Mui-disabled": {
-                              backgroundColor: (theme) =>
-                                  theme.colors.accent.A500,
-                              color: (theme) => theme.colors.text.base,
-                          },
-                      }
-                    : {}),
-                ...sx,
-            }}
-            {...props}
-        >
-            {loading ? (
-                <CircularProgress size={20} />
-            ) : success ? (
-                <Done sx={{ fontSize: 20 }} />
-            ) : (
-                buttonText
-            )}
-        </Button>
-    );
-};
-
-export default SubmitButton;