diff --git a/functions/src/add-liquidity.ts b/functions/src/add-liquidity.ts
deleted file mode 100644
index e6090111..00000000
--- a/functions/src/add-liquidity.ts
+++ /dev/null
@@ -1,133 +0,0 @@
-import * as admin from 'firebase-admin'
-import { z } from 'zod'
-
-import { Contract, CPMMContract } from '../../common/contract'
-import { User } from '../../common/user'
-import { removeUndefinedProps } from '../../common/util/object'
-import { getNewLiquidityProvision } from '../../common/add-liquidity'
-import { APIError, newEndpoint, validate } from './api'
-import {
-  DEV_HOUSE_LIQUIDITY_PROVIDER_ID,
-  HOUSE_LIQUIDITY_PROVIDER_ID,
-} from '../../common/antes'
-import { isProd } from './utils'
-
-const bodySchema = z.object({
-  contractId: z.string(),
-  amount: z.number().gt(0),
-})
-
-export const addliquidity = newEndpoint({}, async (req, auth) => {
-  const { amount, contractId } = validate(bodySchema, req.body)
-
-  if (!isFinite(amount)) throw new APIError(400, 'Invalid amount')
-
-  // run as transaction to prevent race conditions
-  return await firestore.runTransaction(async (transaction) => {
-    const userDoc = firestore.doc(`users/${auth.uid}`)
-    const userSnap = await transaction.get(userDoc)
-    if (!userSnap.exists) throw new APIError(400, 'User not found')
-    const user = userSnap.data() as User
-
-    const contractDoc = firestore.doc(`contracts/${contractId}`)
-    const contractSnap = await transaction.get(contractDoc)
-    if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
-    const contract = contractSnap.data() as Contract
-    if (
-      contract.mechanism !== 'cpmm-1' ||
-      (contract.outcomeType !== 'BINARY' &&
-        contract.outcomeType !== 'PSEUDO_NUMERIC')
-    )
-      throw new APIError(400, 'Invalid contract')
-
-    const { closeTime } = contract
-    if (closeTime && Date.now() > closeTime)
-      throw new APIError(400, 'Trading is closed')
-
-    if (user.balance < amount) throw new APIError(400, 'Insufficient balance')
-
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contractId}/liquidity`)
-      .doc()
-
-    const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
-      getNewLiquidityProvision(
-        user.id,
-        amount,
-        contract,
-        newLiquidityProvisionDoc.id
-      )
-
-    if (newP !== undefined && !isFinite(newP)) {
-      return {
-        status: 'error',
-        message: 'Liquidity injection rejected due to overflow error.',
-      }
-    }
-
-    transaction.update(
-      contractDoc,
-      removeUndefinedProps({
-        pool: newPool,
-        p: newP,
-        totalLiquidity: newTotalLiquidity,
-      })
-    )
-
-    const newBalance = user.balance - amount
-    const newTotalDeposits = user.totalDeposits - amount
-
-    if (!isFinite(newBalance)) {
-      throw new APIError(500, 'Invalid user balance for ' + user.username)
-    }
-
-    transaction.update(userDoc, {
-      balance: newBalance,
-      totalDeposits: newTotalDeposits,
-    })
-
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
-
-    return newLiquidityProvision
-  })
-})
-
-const firestore = admin.firestore()
-
-export const addHouseLiquidity = (contract: CPMMContract, amount: number) => {
-  return firestore.runTransaction(async (transaction) => {
-    const newLiquidityProvisionDoc = firestore
-      .collection(`contracts/${contract.id}/liquidity`)
-      .doc()
-
-    const providerId = isProd()
-      ? HOUSE_LIQUIDITY_PROVIDER_ID
-      : DEV_HOUSE_LIQUIDITY_PROVIDER_ID
-
-    const { newLiquidityProvision, newPool, newP, newTotalLiquidity } =
-      getNewLiquidityProvision(
-        providerId,
-        amount,
-        contract,
-        newLiquidityProvisionDoc.id
-      )
-
-    if (newP !== undefined && !isFinite(newP)) {
-      throw new APIError(
-        500,
-        'Liquidity injection rejected due to overflow error.'
-      )
-    }
-
-    transaction.update(
-      firestore.doc(`contracts/${contract.id}`),
-      removeUndefinedProps({
-        pool: newPool,
-        p: newP,
-        totalLiquidity: newTotalLiquidity,
-      })
-    )
-
-    transaction.create(newLiquidityProvisionDoc, newLiquidityProvision)
-  })
-}