diff --git a/.changeset/twelve-timers-pay.md b/.changeset/twelve-timers-pay.md
deleted file mode 100644
index 65eb4b8050..0000000000
--- a/.changeset/twelve-timers-pay.md
+++ /dev/null
@@ -1,10 +0,0 @@
----
-"@khanacademy/perseus": major
-"@khanacademy/perseus-score": major
-"@khanacademy/kmath": minor
-"@khanacademy/perseus-core": minor
-"@khanacademy/perseus-dev-ui": patch
-"@khanacademy/perseus-editor": patch
----
-
-Init perseus-score, move AnswerTypes from perseus to perseus-score, move perseus-types in perseus to data-schema in perseus-core
diff --git a/packages/perseus-score/src/error-identifiers.ts b/packages/perseus-score/src/error-identifiers.ts
deleted file mode 100644
index 039122bbfb..0000000000
--- a/packages/perseus-score/src/error-identifiers.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-function mark(error: string) {
-    return "\u2603 " + error + " \u2603";
-}
-
-export const MISSING_PERCENT_ERROR = mark("MISSING_PERCENT_ERROR");
-export const NEEDS_TO_BE_SIMPLIFIED_ERROR = mark(
-    "NEEDS_TO_BE_SIMPLIFIED_ERROR",
-);
-export const APPROXIMATED_PI_ERROR = mark("APPROXIMATED_PI_ERROR");
-export const EXTRA_SYMBOLS_ERROR = mark("EXTRA_SYMBOLS_ERROR");
-export const WRONG_CASE_ERROR = mark("WRONG_CASE_ERROR");
-export const WRONG_LETTER_ERROR = mark("WRONG_LETTER_ERROR");
-export const MULTIPLICATION_SIGN_ERROR = mark("MULTIPLICATION_SIGN_ERROR");
diff --git a/packages/perseus/src/__tests__/test-items/input-number-1-item.ts b/packages/perseus/src/__tests__/test-items/input-number-1-item.ts
deleted file mode 100644
index f48ce9f972..0000000000
--- a/packages/perseus/src/__tests__/test-items/input-number-1-item.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import type {PerseusRenderer} from "@khanacademy/perseus-core";
-
-export default {
-    question: {
-        content: "[[☃ input-number 1]]",
-        images: {},
-        widgets: {
-            "input-number 1": {
-                type: "input-number",
-                graded: true,
-                options: {
-                    value: 5,
-                    simplify: "required",
-                    size: "normal",
-                    inexact: false,
-                    maxError: 0.1,
-                    answerType: "number",
-                },
-            },
-        },
-    } as PerseusRenderer,
-    answerArea: {
-        calculator: false,
-    },
-    hints: [] as ReadonlyArray<any>,
-};