diff --git a/Cargo.lock b/Cargo.lock
index 4eff741d977453..e9dcb5003605a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -699,12 +699,6 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
 
-[[package]]
-name = "constcat"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d5cd0c57ef83705837b1cb872c973eff82b070846d3e23668322b2c0f8246d0"
-
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -984,7 +978,6 @@ dependencies = [
  "clap_complete_fig",
  "color-print",
  "console_static_text",
- "constcat",
  "dashmap",
  "data-encoding",
  "data-url",
diff --git a/Cargo.toml b/Cargo.toml
index db53f795695c01..019b26c35dfb8f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -92,7 +92,6 @@ cbc = { version = "=0.1.2", features = ["alloc"] }
 # Note: Do not use the "clock" feature of chrono, as it links us to CoreFoundation on macOS.
 #       Instead use util::time::utc_now()
 chrono = { version = "0.4", default-features = false, features = ["std", "serde"] }
-constcat = "0.4"
 console_static_text = "=0.8.1"
 data-encoding = "2.3.3"
 data-url = "=0.3.0"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index a93a015113a928..115d51d0e7d6df 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -80,7 +80,6 @@ clap = { version = "=4.4.17", features = ["env", "string"] }
 clap_complete = "=4.4.7"
 clap_complete_fig = "=4.4.2"
 color-print = "0.3.5"
-constcat.workspace = true
 console_static_text.workspace = true
 dashmap = "5.5.3"
 data-encoding.workspace = true
diff --git a/cli/js/40_bench.js b/cli/js/40_bench.js
index aafd0cab831a18..2f03341775ca65 100644
--- a/cli/js/40_bench.js
+++ b/cli/js/40_bench.js
@@ -2,7 +2,11 @@
 // deno-lint-ignore-file
 
 import { core, primordials } from "ext:core/mod.js";
-import { escapeName, pledgePermissions, restorePermissions } from "ext:cli/40_test_common.js";
+import {
+  escapeName,
+  pledgePermissions,
+  restorePermissions,
+} from "ext:cli/40_test_common.js";
 import { Console } from "ext:deno_console/01_console.js";
 import { setExitHandler } from "ext:runtime/30_os.js";
 const ops = core.ops;
diff --git a/cli/js/40_test.js b/cli/js/40_test.js
index 4f84a1335b2c8e..3f4880ca8cc87c 100644
--- a/cli/js/40_test.js
+++ b/cli/js/40_test.js
@@ -28,59 +28,59 @@ import { setTimeout } from "ext:deno_web/02_timers.js";
 
 /**
  * @typedef {{
-*   id: number,
-*   name: string,
-*   fn: TestFunction
-*   origin: string,
-*   location: TestLocation,
-*   ignore: boolean,
-*   only: boolean.
-*   sanitizeOps: boolean,
-*   sanitizeResources: boolean,
-*   sanitizeExit: boolean,
-*   permissions: PermissionOptions,
-* }} TestDescription
-*
-* @typedef {{
-*   id: number,
-*   name: string,
-*   fn: TestFunction
-*   origin: string,
-*   location: TestLocation,
-*   ignore: boolean,
-*   level: number,
-*   parent: TestDescription | TestStepDescription,
-*   rootId: number,
-*   rootName: String,
-*   sanitizeOps: boolean,
-*   sanitizeResources: boolean,
-*   sanitizeExit: boolean,
-* }} TestStepDescription
-*
-* @typedef {{
-*   context: TestContext,
-*   children: TestStepDescription[],
-*   completed: boolean,
-* }} TestState
-*
-* @typedef {{
-*   context: TestContext,
-*   children: TestStepDescription[],
-*   completed: boolean,
-*   failed: boolean,
-* }} TestStepState
-*
-* @typedef {{
-*   id: number,
-*   name: string,
-*   fn: BenchFunction
-*   origin: string,
-*   ignore: boolean,
-*   only: boolean.
-*   sanitizeExit: boolean,
-*   permissions: PermissionOptions,
-* }} BenchDescription
-*/
+ *   id: number,
+ *   name: string,
+ *   fn: TestFunction
+ *   origin: string,
+ *   location: TestLocation,
+ *   ignore: boolean,
+ *   only: boolean.
+ *   sanitizeOps: boolean,
+ *   sanitizeResources: boolean,
+ *   sanitizeExit: boolean,
+ *   permissions: PermissionOptions,
+ * }} TestDescription
+ *
+ * @typedef {{
+ *   id: number,
+ *   name: string,
+ *   fn: TestFunction
+ *   origin: string,
+ *   location: TestLocation,
+ *   ignore: boolean,
+ *   level: number,
+ *   parent: TestDescription | TestStepDescription,
+ *   rootId: number,
+ *   rootName: String,
+ *   sanitizeOps: boolean,
+ *   sanitizeResources: boolean,
+ *   sanitizeExit: boolean,
+ * }} TestStepDescription
+ *
+ * @typedef {{
+ *   context: TestContext,
+ *   children: TestStepDescription[],
+ *   completed: boolean,
+ * }} TestState
+ *
+ * @typedef {{
+ *   context: TestContext,
+ *   children: TestStepDescription[],
+ *   completed: boolean,
+ *   failed: boolean,
+ * }} TestStepState
+ *
+ * @typedef {{
+ *   id: number,
+ *   name: string,
+ *   fn: BenchFunction
+ *   origin: string,
+ *   ignore: boolean,
+ *   only: boolean.
+ *   sanitizeExit: boolean,
+ *   permissions: PermissionOptions,
+ * }} BenchDescription
+ */
 
 /** @type {Map<number, TestState | TestStepState>} */
 const testStates = new Map();