diff --git a/eslint.config.mts b/eslint.config.mts
index 494d492e..6f9e521c 100644
--- a/eslint.config.mts
+++ b/eslint.config.mts
@@ -94,7 +94,7 @@ export default typescriptEslint.config(
       'unicorn/no-null': 'off',
       'unicorn/no-useless-undefined': 'off', // conflicts with consistent-return
       'unicorn/prevent-abbreviations': [
-        'warn',
+        'error',
         {
           replacements: {
             prop: false,
diff --git a/src/prop-types/any.ts b/src/prop-types/any.ts
index f356a7a3..8adef992 100644
--- a/src/prop-types/any.ts
+++ b/src/prop-types/any.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/array.ts b/src/prop-types/array.ts
index 7ee6a7c9..73403887 100644
--- a/src/prop-types/array.ts
+++ b/src/prop-types/array.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/boolean.ts b/src/prop-types/boolean.ts
index bec7807b..85e80a3a 100644
--- a/src/prop-types/boolean.ts
+++ b/src/prop-types/boolean.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/date.ts b/src/prop-types/date.ts
index f69e7ad2..886708dd 100644
--- a/src/prop-types/date.ts
+++ b/src/prop-types/date.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator, PropType } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/instanceOf.ts b/src/prop-types/instanceOf.ts
index dba870d6..32e0aeed 100644
--- a/src/prop-types/instanceOf.ts
+++ b/src/prop-types/instanceOf.ts
@@ -1,5 +1,5 @@
 import type { Constructor, PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 import { isInstanceOf } from '../validators';
 
diff --git a/src/prop-types/integer.ts b/src/prop-types/integer.ts
index d2a5aecd..fdefcb77 100644
--- a/src/prop-types/integer.ts
+++ b/src/prop-types/integer.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 import { isInteger } from '../validators';
 
diff --git a/src/prop-types/number.ts b/src/prop-types/number.ts
index b3e137d3..81f00415 100644
--- a/src/prop-types/number.ts
+++ b/src/prop-types/number.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator, PropType } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/object.ts b/src/prop-types/object.ts
index ae839bbf..8004b1f1 100644
--- a/src/prop-types/object.ts
+++ b/src/prop-types/object.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/oneOf.ts b/src/prop-types/oneOf.ts
index 8998d06b..9ff39dc8 100644
--- a/src/prop-types/oneOf.ts
+++ b/src/prop-types/oneOf.ts
@@ -1,5 +1,5 @@
 import type { PropConstructor, PropOptionsGenerator, PropType } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 import { isOneOf } from '../validators';
 
diff --git a/src/prop-types/oneOfTypes.ts b/src/prop-types/oneOfTypes.ts
index ee17b07c..541a0476 100644
--- a/src/prop-types/oneOfTypes.ts
+++ b/src/prop-types/oneOfTypes.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator, PropType } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/string.ts b/src/prop-types/string.ts
index 636b0793..dcdbb63c 100644
--- a/src/prop-types/string.ts
+++ b/src/prop-types/string.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator, PropType } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /**
diff --git a/src/prop-types/symbol.ts b/src/prop-types/symbol.ts
index e696c2bf..ffa4c86f 100644
--- a/src/prop-types/symbol.ts
+++ b/src/prop-types/symbol.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 import { isSymbol } from '../validators';
 
diff --git a/src/prop-types/vueComponent.ts b/src/prop-types/vueComponent.ts
index de80ea39..34f6ad49 100644
--- a/src/prop-types/vueComponent.ts
+++ b/src/prop-types/vueComponent.ts
@@ -1,5 +1,5 @@
 import type { PropOptionsGenerator } from '../types';
-import { propOptionsGenerator } from '../util';
+import { propOptionsGenerator } from '../utilities';
 import type { Validator } from '../validators';
 
 /** Has to be so broad to allow Vue 2 and Vue 3 component options or instances. */
diff --git a/src/util.ts b/src/utilities.ts
similarity index 100%
rename from src/util.ts
rename to src/utilities.ts
diff --git a/type-tests/prop-types/any.type.spec.ts b/type-tests/prop-types/any.type.spec.ts
index 24a6da8b..65d86c8a 100644
--- a/type-tests/prop-types/any.type.spec.ts
+++ b/type-tests/prop-types/any.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { anyProp } from '../../src/prop-types/any';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('anyProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/array.type.spec.ts b/type-tests/prop-types/array.type.spec.ts
index eabb95da..2f080bfe 100644
--- a/type-tests/prop-types/array.type.spec.ts
+++ b/type-tests/prop-types/array.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { arrayProp } from '../../src/prop-types/array';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('arrayProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/boolean.type.spec.ts b/type-tests/prop-types/boolean.type.spec.ts
index 72d03539..1f02fc0d 100644
--- a/type-tests/prop-types/boolean.type.spec.ts
+++ b/type-tests/prop-types/boolean.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { booleanProp } from '../../src/prop-types/boolean';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('booleanProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/date.type.spec.ts b/type-tests/prop-types/date.type.spec.ts
index a2f18cf5..5bfa887e 100644
--- a/type-tests/prop-types/date.type.spec.ts
+++ b/type-tests/prop-types/date.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { dateProp } from '../../src/prop-types/date';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('dateProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/function.type.spec.ts b/type-tests/prop-types/function.type.spec.ts
index 2016f6ea..35ea7191 100644
--- a/type-tests/prop-types/function.type.spec.ts
+++ b/type-tests/prop-types/function.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { functionProp } from '../../src/prop-types/function';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 /* eslint-disable @typescript-eslint/no-unsafe-function-type */
 
diff --git a/type-tests/prop-types/instanceOf.type.spec.ts b/type-tests/prop-types/instanceOf.type.spec.ts
index 1b88fb63..71290758 100644
--- a/type-tests/prop-types/instanceOf.type.spec.ts
+++ b/type-tests/prop-types/instanceOf.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { instanceOfProp } from '../../src/prop-types/instanceOf';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 class User {
   name = '';
diff --git a/type-tests/prop-types/integer.type.spec.ts b/type-tests/prop-types/integer.type.spec.ts
index 34cd321e..8ea0e171 100644
--- a/type-tests/prop-types/integer.type.spec.ts
+++ b/type-tests/prop-types/integer.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { integerProp } from '../../src/prop-types/integer';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('integerProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/number.type.spec.ts b/type-tests/prop-types/number.type.spec.ts
index e8ec4a45..453b03fa 100644
--- a/type-tests/prop-types/number.type.spec.ts
+++ b/type-tests/prop-types/number.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { numberProp } from '../../src/prop-types/number';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 type Foo = 1 | 2 | 3;
 
diff --git a/type-tests/prop-types/object.type.spec.ts b/type-tests/prop-types/object.type.spec.ts
index a5f8736e..f1276062 100644
--- a/type-tests/prop-types/object.type.spec.ts
+++ b/type-tests/prop-types/object.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { objectProp } from '../../src/prop-types/object';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 interface User {
   name: string;
diff --git a/type-tests/prop-types/oneOf.type.spec.ts b/type-tests/prop-types/oneOf.type.spec.ts
index cde75409..5dc7f633 100644
--- a/type-tests/prop-types/oneOf.type.spec.ts
+++ b/type-tests/prop-types/oneOf.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { oneOfProp } from '../../src/prop-types/oneOf';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 const options = ['a', 'b', 'c'] as const;
 type Options = 'a' | 'b' | 'c';
diff --git a/type-tests/prop-types/oneOfObjectKeys.type.spec.ts b/type-tests/prop-types/oneOfObjectKeys.type.spec.ts
index d9185730..a659e5ac 100644
--- a/type-tests/prop-types/oneOfObjectKeys.type.spec.ts
+++ b/type-tests/prop-types/oneOfObjectKeys.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { oneOfObjectKeysProp } from '../../src/prop-types/oneOfObjectKeys';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 const options = { a: 'a', b: 'b', c: 'c' };
 type Options = 'a' | 'b' | 'c';
diff --git a/type-tests/prop-types/oneOfTypes.type.spec.ts b/type-tests/prop-types/oneOfTypes.type.spec.ts
index edf97882..4ab376b0 100644
--- a/type-tests/prop-types/oneOfTypes.type.spec.ts
+++ b/type-tests/prop-types/oneOfTypes.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { oneOfTypesProp } from '../../src/prop-types/oneOfTypes';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 const options = [Number, String];
 type Options = number | string;
diff --git a/type-tests/prop-types/string.type.spec.ts b/type-tests/prop-types/string.type.spec.ts
index 7ceaa3c9..23f03eee 100644
--- a/type-tests/prop-types/string.type.spec.ts
+++ b/type-tests/prop-types/string.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { stringProp } from '../../src/prop-types/string';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 type Foo = 'a' | 'b' | 'c';
 
diff --git a/type-tests/prop-types/symbol.type.spec.ts b/type-tests/prop-types/symbol.type.spec.ts
index 6b1b11a8..ce2e5b97 100644
--- a/type-tests/prop-types/symbol.type.spec.ts
+++ b/type-tests/prop-types/symbol.type.spec.ts
@@ -3,8 +3,8 @@ import type * as Vue2_6 from 'vue2-6/types/options';
 import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { symbolProp } from '../../src/prop-types/symbol';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('symbolProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/prop-types/vueComponent.type.spec.ts b/type-tests/prop-types/vueComponent.type.spec.ts
index f2c0f92c..6b415f48 100644
--- a/type-tests/prop-types/vueComponent.type.spec.ts
+++ b/type-tests/prop-types/vueComponent.type.spec.ts
@@ -4,8 +4,8 @@ import type * as Vue2_7 from 'vue2-7/types/options';
 import type * as Vue3 from '@vue/runtime-core';
 import { vueComponentProp } from '../../src/prop-types/vueComponent';
 import type { VueComponent } from '../../src/prop-types/vueComponent';
-import { createVue2Component } from '../utils';
-import type { Vue2ComponentWithProp } from '../utils';
+import { createVue2Component } from '../utilities';
+import type { Vue2ComponentWithProp } from '../utilities';
 
 describe('vueComponentProp().optional', () => {
   test('Vue 2.6', () => {
diff --git a/type-tests/utils.ts b/type-tests/utilities.ts
similarity index 100%
rename from type-tests/utils.ts
rename to type-tests/utilities.ts