diff --git a/app/components/BuildCard.tsx b/app/components/BuildCard.tsx
index 7bd3c83ce..5c4a871a2 100644
--- a/app/components/BuildCard.tsx
+++ b/app/components/BuildCard.tsx
@@ -10,12 +10,14 @@ import type { BuildAbilitiesTuple } from "~/modules/in-game-lists/types";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { gearImageUrl, modeImageUrl, weaponImageUrl } from "~/utils/urls";
 import { Ability } from "./Ability";
-import { LinkButton } from "./Button";
+import { Button, LinkButton } from "./Button";
+import { FormWithConfirm } from "./FormWithConfirm";
 import { Image } from "./Image";
 import { Popover } from "./Popover";
 
 type BuildProps = Pick<
   Build,
+  | "id"
   | "title"
   | "description"
   | "clothesGearSplId"
@@ -31,6 +33,7 @@ type BuildProps = Pick<
 };
 
 export function BuildCard({
+  id,
   title,
   description,
   weapons,
@@ -42,7 +45,7 @@ export function BuildCard({
   modes,
   canEdit = false,
 }: BuildProps) {
-  const { t } = useTranslation(["weapons", "builds"]);
+  const { t } = useTranslation(["weapons", "builds", "common"]);
   const { i18n } = useTranslation();
   const isMounted = useIsMounted();
 
@@ -67,6 +70,22 @@ export function BuildCard({
         {t("builds:buildCard.edit")}
       </LinkButton>
     ),
+    canEdit && (
+      <FormWithConfirm
+        key="delete"
+        dialogHeading={t("builds:deleteConfirm", { title })}
+        fields={[["buildToDeleteId", id]]}
+      >
+        <Button
+          className="build__small-text"
+          variant="minimal-destructive"
+          tiny
+          type="submit"
+        >
+          {t("common:actions.delete")}
+        </Button>
+      </FormWithConfirm>
+    ),
   ].filter(Boolean);
 
   return (
diff --git a/app/constants.ts b/app/constants.ts
index fa0498aaf..a9ad97def 100644
--- a/app/constants.ts
+++ b/app/constants.ts
@@ -32,6 +32,7 @@ export const BUILD = {
   TITLE_MAX_LENGTH: 100,
   DESCRIPTION_MAX_LENGTH: TWEET_LENGTH_MAX_LENGTH,
   MAX_WEAPONS_COUNT: 5,
+  MAX_COUNT: 250,
 } as const;
 
 export const PLUS_TIERS = [1, 2, 3];
diff --git a/app/db/models/builds/deleteById.sql b/app/db/models/builds/deleteById.sql
new file mode 100644
index 000000000..48ca9b425
--- /dev/null
+++ b/app/db/models/builds/deleteById.sql
@@ -0,0 +1,4 @@
+delete from
+  "Build"
+where
+  "id" = @id;
\ No newline at end of file
diff --git a/app/db/models/builds/queries.server.ts b/app/db/models/builds/queries.server.ts
index 3b02b8e98..590ab345e 100644
--- a/app/db/models/builds/queries.server.ts
+++ b/app/db/models/builds/queries.server.ts
@@ -2,20 +2,22 @@ import { sql } from "~/db/sql";
 import type { Build, BuildAbility, BuildWeapon, GearType } from "~/db/types";
 import type { ModeShort } from "~/modules/in-game-lists";
 import { modesShort } from "~/modules/in-game-lists";
+import invariant from "tiny-invariant";
+import type { BuildAbilitiesTuple } from "~/modules/in-game-lists/types";
 
 import createBuildSql from "./createBuild.sql";
 import createBuildWeaponSql from "./createBuildWeapon.sql";
 import createBuildAbilitySql from "./createBuildAbility.sql";
 import countByUserIdSql from "./countByUserId.sql";
 import buildsByUserIdSql from "./buildsByUserId.sql";
-import invariant from "tiny-invariant";
-import type { BuildAbilitiesTuple } from "~/modules/in-game-lists/types";
+import deleteByIdSql from "./deleteById.sql";
 
 const createBuildStm = sql.prepare(createBuildSql);
 const createBuildWeaponStm = sql.prepare(createBuildWeaponSql);
 const createBuildAbilityStm = sql.prepare(createBuildAbilitySql);
 const countByUserIdStm = sql.prepare(countByUserIdSql);
 const buildsByUserIdStm = sql.prepare(buildsByUserIdSql);
+const deleteByIdStm = sql.prepare(deleteByIdSql);
 
 interface CreateArgs {
   ownerId: Build["ownerId"];
@@ -129,3 +131,7 @@ function dbAbilitiesToArrayOfArrays(
     [sorted[8]!, sorted[9]!, sorted[10]!, sorted[11]!],
   ];
 }
+
+export function deleteById(id: Build["id"]) {
+  deleteByIdStm.run({ id });
+}
diff --git a/app/routes/u.$identifier/builds/index.tsx b/app/routes/u.$identifier/builds/index.tsx
index 63bd47c4b..26cca271d 100644
--- a/app/routes/u.$identifier/builds/index.tsx
+++ b/app/routes/u.$identifier/builds/index.tsx
@@ -1,15 +1,42 @@
+import type { ActionFunction } from "@remix-run/node";
 import { json, type LoaderArgs } from "@remix-run/node";
 import { useLoaderData, useMatches } from "@remix-run/react";
 import { useTranslation } from "react-i18next";
+import { z } from "zod";
 import { BuildCard } from "~/components/BuildCard";
 import { LinkButton } from "~/components/Button";
 import { Main } from "~/components/Main";
 import { db } from "~/db";
-import { getUser, useUser } from "~/modules/auth";
+import { getUser, requireUser, useUser } from "~/modules/auth";
 import { atOrError } from "~/utils/arrays";
-import { notFoundIfFalsy } from "~/utils/remix";
+import { notFoundIfFalsy, parseRequestFormData } from "~/utils/remix";
+import { actualNumber, id } from "~/utils/zod";
 import { type UserPageLoaderData, userParamsSchema } from "../../u.$identifier";
 
+const buildsActionSchema = z.object({
+  buildToDeleteId: z.preprocess(actualNumber, id),
+});
+
+export const action: ActionFunction = async ({ request }) => {
+  const user = await requireUser(request);
+  const data = await parseRequestFormData({
+    request,
+    schema: buildsActionSchema,
+  });
+
+  if (
+    !db.builds
+      .buildsByUserId(user.id)
+      .some((build) => build.id === data.buildToDeleteId)
+  ) {
+    throw new Response(null, { status: 400 });
+  }
+
+  db.builds.deleteById(data.buildToDeleteId);
+
+  return null;
+};
+
 export const handle = {
   i18n: ["weapons", "builds"],
 };
@@ -34,6 +61,7 @@ export default function UserBuildsPage() {
   const parentPageData = atOrError(useMatches(), -2).data as UserPageLoaderData;
   const data = useLoaderData<typeof loader>();
 
+  // xxx: disable button if too many builds or something
   return (
     <Main className="stack lg">
       <div className="stack items-end">
@@ -46,6 +74,7 @@ export default function UserBuildsPage() {
           {data.builds.map((build) => (
             <BuildCard
               key={build.id}
+              id={build.id}
               title={build.title}
               description={build.description}
               headGearSplId={build.headGearSplId}
diff --git a/app/routes/u.$identifier/builds/new.tsx b/app/routes/u.$identifier/builds/new.tsx
index acb633ab6..6ac0cb28a 100644
--- a/app/routes/u.$identifier/builds/new.tsx
+++ b/app/routes/u.$identifier/builds/new.tsx
@@ -123,6 +123,11 @@ export const action: ActionFunction = async ({ request }) => {
     schema: newBuildActionSchema,
   });
 
+  const usersBuilds = db.builds.buildsByUserId(user.id);
+  if (usersBuilds.length >= BUILD.MAX_COUNT) {
+    throw new Response(null, { status: 400 });
+  }
+
   db.builds.create({
     title: data.title,
     description: data.description,
diff --git a/public/locales/en/builds.json b/public/locales/en/builds.json
index 2922142b1..a8d9a1b2d 100644
--- a/public/locales/en/builds.json
+++ b/public/locales/en/builds.json
@@ -9,5 +9,7 @@
   "forms.weapons": "Weapons",
   "forms.gear.HEAD": "Gear (head)",
   "forms.gear.CLOTHES": "Gear (clothes)",
-  "forms.gear.SHOES": "Gear (shoes)"
+  "forms.gear.SHOES": "Gear (shoes)",
+
+  "deleteConfirm": "Delete build '{{title}}'?"
 }
diff --git a/public/locales/en/common.json b/public/locales/en/common.json
index dd4fcd788..6db053eaa 100644
--- a/public/locales/en/common.json
+++ b/public/locales/en/common.json
@@ -23,6 +23,7 @@
   "actions.edit": "Edit",
   "actions.add": "Add",
   "actions.remove": "Remove",
+  "actions.delete": "Delete",
 
   "results": "Results",