diff --git a/packages/commons/src/config/EnvironmentVariablesService.ts b/packages/commons/src/config/EnvironmentVariablesService.ts
deleted file mode 100644
index a4bfaa2bc4..0000000000
--- a/packages/commons/src/config/EnvironmentVariablesService.ts
+++ /dev/null
@@ -1,110 +0,0 @@
-import {
-  getServiceName,
-  getXRayTraceIdFromEnv,
-  isDevMode,
-  isRequestXRaySampled,
-} from '../envUtils.js';
-import type { ConfigServiceInterface } from '../types/ConfigServiceInterface.js';
-
-/**
- * This class is used to fetch environment variables that are available in the execution environment.
- *
- * These variables can be a mix of runtime environment variables set by AWS and
- * other environment variables that are set by the developer to configure Powertools for AWS Lambda.
- *
- * @example
- * ```typescript
- * import { EnvironmentVariablesService } from '@aws-lambda-powertools/commons/';
- *
- * const config = new EnvironmentVariablesService();
- * const serviceName = config.getServiceName();
- * ```
- *
- * @see https://docs.powertools.aws.dev/lambda/typescript/latest/#environment-variables
- *
- * @class
- */
-class EnvironmentVariablesService implements ConfigServiceInterface {
-  /**
-   * Increase JSON indentation for Logger to ease debugging when running functions locally or in a non-production environment
-   */
-  protected devModeVariable = 'POWERTOOLS_DEV';
-  /**
-   * Set service name used for tracing namespace, metrics dimension and structured logging
-   */
-  protected serviceNameVariable = 'POWERTOOLS_SERVICE_NAME';
-  /**
-   * AWS X-Ray Trace ID environment variable
-   * @private
-   */
-  private xRayTraceIdVariable = '_X_AMZN_TRACE_ID';
-
-  /**
-   * Get the value of an environment variable by name.
-   *
-   * @param {string} name The name of the environment variable to fetch.
-   */
-  public get(name: string): string {
-    return process.env[name]?.trim() || '';
-  }
-
-  /**
-   * Get the value of the `POWERTOOLS_SERVICE_NAME` environment variable.
-   */
-  public getServiceName(): string {
-    return getServiceName();
-  }
-
-  /**
-   * Get the value of the `_X_AMZN_TRACE_ID` environment variable.
-   *
-   * The AWS X-Ray Trace data available in the environment variable has this format:
-   * `Root=1-5759e988-bd862e3fe1be46a994272793;Parent=557abcec3ee5a047;Sampled=1`,
-   *
-   * The actual Trace ID is: `1-5759e988-bd862e3fe1be46a994272793`.
-   */
-  public getXrayTraceId(): string | undefined {
-    return getXRayTraceIdFromEnv();
-  }
-
-  /**
-   * Determine if the current invocation is part of a sampled X-Ray trace.
-   *
-   * The AWS X-Ray Trace data available in the environment variable has this format:
-   * `Root=1-5759e988-bd862e3fe1be46a994272793;Parent=557abcec3ee5a047;Sampled=1`,
-   */
-  public getXrayTraceSampled(): boolean {
-    return isRequestXRaySampled();
-  }
-
-  /**
-   * Determine if the current invocation is running in a development environment.
-   */
-  public isDevMode(): boolean {
-    return isDevMode();
-  }
-
-  /**
-   * Helper function to determine if a value is considered thruthy.
-   *
-   * @param value The value to check for truthiness.
-   */
-  public isValueTrue(value: string): boolean {
-    const truthyValues: string[] = ['1', 'y', 'yes', 't', 'true', 'on'];
-
-    return truthyValues.includes(value.toLowerCase());
-  }
-
-  /**
-   * Helper function to determine if a value is considered falsy.
-   *
-   * @param value The value to check for falsiness.
-   */
-  public isValueFalse(value: string): boolean {
-    const falsyValues: string[] = ['0', 'n', 'no', 'f', 'false', 'off'];
-
-    return falsyValues.includes(value.toLowerCase());
-  }
-}
-
-export { EnvironmentVariablesService };
diff --git a/packages/commons/src/index.ts b/packages/commons/src/index.ts
index 4c559c40bb..be11255615 100644
--- a/packages/commons/src/index.ts
+++ b/packages/commons/src/index.ts
@@ -5,7 +5,6 @@ if (!process.env.AWS_SDK_UA_APP_ID) {
 }
 
 export { addUserAgentMiddleware, isSdkClient } from './awsSdkUtils.js';
-export { EnvironmentVariablesService } from './config/EnvironmentVariablesService.js';
 export { cleanupMiddlewares } from './middleware/cleanupMiddlewares.js';
 export {
   IDEMPOTENCY_KEY,
diff --git a/packages/commons/tests/unit/EnvironmentVariablesService.test.ts b/packages/commons/tests/unit/EnvironmentVariablesService.test.ts
deleted file mode 100644
index 6f0c50dca0..0000000000
--- a/packages/commons/tests/unit/EnvironmentVariablesService.test.ts
+++ /dev/null
@@ -1,193 +0,0 @@
-import { afterAll, beforeEach, describe, expect, it, vi } from 'vitest';
-import { EnvironmentVariablesService } from '../../src/index.js';
-
-describe('Class: EnvironmentVariablesService', () => {
-  const ENVIRONMENT_VARIABLES = process.env;
-
-  beforeEach(() => {
-    vi.resetModules();
-    process.env = { ...ENVIRONMENT_VARIABLES };
-  });
-
-  afterAll(() => {
-    process.env = ENVIRONMENT_VARIABLES;
-  });
-
-  describe('Method: get', () => {
-    it('returns the value of a runtime variable', () => {
-      // Prepare
-      process.env.CUSTOM_VARIABLE = 'my custom value';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.get('CUSTOM_VARIABLE');
-
-      // Assess
-      expect(value).toEqual('my custom value');
-    });
-
-    it('returns an empty string when the env variable is not present', () => {
-      // Prepare
-      process.env.CUSTOM_VARIABLE = undefined;
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.get('CUSTOM_VARIABLE');
-
-      // Assess
-      expect(value).toEqual('');
-    });
-  });
-
-  describe('Method: getServiceName', () => {
-    it('returns the value of the environment variable POWERTOOLS_SERVICE_NAME', () => {
-      // Prepare
-      process.env.POWERTOOLS_SERVICE_NAME = 'shopping-cart-api';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.getServiceName();
-
-      // Assess
-      expect(value).toEqual('shopping-cart-api');
-    });
-  });
-
-  describe('Method: getXrayTraceId', () => {
-    it('returns the value of the environment variable _X_AMZN_TRACE_ID', () => {
-      // Prepare
-      process.env._X_AMZN_TRACE_ID = 'abcd123456789';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.getXrayTraceId();
-
-      // Assess
-      expect(value).toEqual('abcd123456789');
-    });
-  });
-
-  describe('Method: getXrayTraceSampled', () => {
-    it('returns true if the Sampled flag is set in the _X_AMZN_TRACE_ID environment variable', () => {
-      // Prepare
-      process.env._X_AMZN_TRACE_ID =
-        'Root=1-5759e988-bd862e3fe1be46a994272793;Parent=557abcec3ee5a047;Sampled=1';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.getXrayTraceSampled();
-
-      // Assess
-      expect(value).toEqual(true);
-    });
-  });
-
-  describe('Method: isValueTrue', () => {
-    const valuesToTest: Array<Array<string | boolean>> = [
-      ['1', true],
-      ['y', true],
-      ['yes', true],
-      ['t', true],
-      ['TRUE', true],
-      ['on', true],
-      ['', false],
-      ['false', false],
-      ['fasle', false],
-      ['somethingsilly', false],
-      ['0', false],
-    ];
-
-    it.each(valuesToTest)(
-      'takes string "%s" and returns %s',
-      (input, output) => {
-        // Prepare
-        const service = new EnvironmentVariablesService();
-        // Act
-        const value = service.isValueTrue(input as string);
-        // Assess
-        expect(value).toBe(output);
-      }
-    );
-  });
-
-  describe('Method: isValueFalse', () => {
-    const valuesToTest: Array<Array<string | boolean>> = [
-      ['0', true],
-      ['n', true],
-      ['no', true],
-      ['f', true],
-      ['FALSE', true],
-      ['off', true],
-      ['1', false],
-      ['y', false],
-      ['yes', false],
-      ['t', false],
-      ['TRUE', false],
-      ['on', false],
-      ['', false],
-      ['somethingsilly', false],
-    ];
-
-    it.each(valuesToTest)(
-      'takes string "%s" and returns %s',
-      (input, output) => {
-        // Prepare
-        const service = new EnvironmentVariablesService();
-        // Act
-        const value = service.isValueFalse(input as string);
-        // Assess
-        expect(value).toBe(output);
-      }
-    );
-  });
-
-  describe('Method: isDevMode', () => {
-    it('returns true if the environment variable POWERTOOLS_DEV is "true"', () => {
-      // Prepare
-      process.env.POWERTOOLS_DEV = 'true';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.isDevMode();
-
-      // Assess
-      expect(value).toEqual(true);
-    });
-
-    it('returns false if the environment variable POWERTOOLS_DEV is "false"', () => {
-      // Prepare
-      process.env.POWERTOOLS_DEV = 'false';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.isDevMode();
-
-      // Assess
-      expect(value).toEqual(false);
-    });
-
-    it('returns false if the environment variable POWERTOOLS_DEV is NOT set', () => {
-      // Prepare
-      process.env.POWERTOOLS_DEV = 'somethingsilly';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.isDevMode();
-
-      // Assess
-      expect(value).toEqual(false);
-    });
-
-    it('returns false if the environment variable POWERTOOLS_DEV is "somethingsilly"', () => {
-      // Prepare
-      process.env.POWERTOOLS_DEV = 'somethingsilly';
-      const service = new EnvironmentVariablesService();
-
-      // Act
-      const value = service.isDevMode();
-
-      // Assess
-      expect(value).toEqual(false);
-    });
-  });
-});
diff --git a/packages/idempotency/src/IdempotencyConfig.ts b/packages/idempotency/src/IdempotencyConfig.ts
index b93a14e5be..c26318aa60 100644
--- a/packages/idempotency/src/IdempotencyConfig.ts
+++ b/packages/idempotency/src/IdempotencyConfig.ts
@@ -1,7 +1,7 @@
+import { getBooleanFromEnv } from '@aws-lambda-powertools/commons/utils/env';
 import { PowertoolsFunctions } from '@aws-lambda-powertools/jmespath/functions';
 import type { JMESPathParsingOptions } from '@aws-lambda-powertools/jmespath/types';
 import type { Context } from 'aws-lambda';
-import { EnvironmentVariablesService } from './config/EnvironmentVariablesService.js';
 import type {
   IdempotencyConfigOptions,
   ResponseHook,
@@ -64,7 +64,6 @@ class IdempotencyConfig {
    * Use the local cache to store idempotency keys.
    */
   public useLocalCache: boolean;
-  readonly #envVarsService: EnvironmentVariablesService;
   readonly #enabled: boolean = true;
 
   public constructor(config: IdempotencyConfigOptions) {
@@ -80,8 +79,11 @@ class IdempotencyConfig {
     this.hashFunction = config.hashFunction ?? 'md5';
     this.lambdaContext = config.lambdaContext;
     this.responseHook = config.responseHook;
-    this.#envVarsService = new EnvironmentVariablesService();
-    this.#enabled = this.#envVarsService.getIdempotencyEnabled();
+    this.#enabled = !getBooleanFromEnv({
+      key: 'POWERTOOLS_IDEMPOTENCY_DISABLED',
+      defaultValue: false,
+      extendedParsing: true,
+    });
   }
 
   /**
diff --git a/packages/idempotency/src/config/EnvironmentVariablesService.ts b/packages/idempotency/src/config/EnvironmentVariablesService.ts
deleted file mode 100644
index 36af2c4b4a..0000000000
--- a/packages/idempotency/src/config/EnvironmentVariablesService.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import { EnvironmentVariablesService as CommonEnvironmentVariablesService } from '@aws-lambda-powertools/commons';
-import type { ConfigServiceInterface } from '../types/ConfigServiceInterface.js';
-
-/**
- * Class EnvironmentVariablesService
- *
- * This class is used to return environment variables that are available in the runtime of
- * the current Lambda invocation.
- * These variables can be a mix of runtime environment variables set by AWS and
- * variables that can be set by the developer additionally.
- *
- * @class
- * @extends {CommonEnvironmentVariablesService}
- * @see https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars.html#configuration-envvars-runtime
- * @see https://docs.powertools.aws.dev/lambda/typescript/latest/#environment-variables
- */
-class EnvironmentVariablesService
-  extends CommonEnvironmentVariablesService
-  implements ConfigServiceInterface
-{
-  // Reserved environment variables
-  private readonly functionNameVariable = 'AWS_LAMBDA_FUNCTION_NAME';
-  private readonly idempotencyDisabledVariable =
-    'POWERTOOLS_IDEMPOTENCY_DISABLED';
-
-  /**
-   * It returns the value of the AWS_LAMBDA_FUNCTION_NAME environment variable.
-   *
-   * @returns {string}
-   */
-  public getFunctionName(): string {
-    return this.get(this.functionNameVariable);
-  }
-
-  /**
-   * It returns whether the idempotency feature is enabled or not.
-   *
-   * Reads the value of the POWERTOOLS_IDEMPOTENCY_DISABLED environment variable.
-   *
-   * @returns {boolean}
-   */
-  public getIdempotencyEnabled(): boolean {
-    return !this.isValueTrue(this.get(this.idempotencyDisabledVariable));
-  }
-}
-
-export { EnvironmentVariablesService };
diff --git a/packages/idempotency/src/persistence/BasePersistenceLayer.ts b/packages/idempotency/src/persistence/BasePersistenceLayer.ts
index 2ca6690336..55c9e34418 100644
--- a/packages/idempotency/src/persistence/BasePersistenceLayer.ts
+++ b/packages/idempotency/src/persistence/BasePersistenceLayer.ts
@@ -1,9 +1,9 @@
 import { createHash, type Hash } from 'node:crypto';
 import type { JSONValue } from '@aws-lambda-powertools/commons/types';
 import { LRUCache } from '@aws-lambda-powertools/commons/utils/lru-cache';
+import { getStringFromEnv } from '@aws-lambda-powertools/commons/utils/env';
 import { search } from '@aws-lambda-powertools/jmespath';
 import type { JMESPathParsingOptions } from '@aws-lambda-powertools/jmespath/types';
-import { EnvironmentVariablesService } from '../config/EnvironmentVariablesService.js';
 import { IdempotencyRecordStatus } from '../constants.js';
 import { deepSort } from '../deepSort.js';
 import {
@@ -27,8 +27,6 @@ abstract class BasePersistenceLayer implements BasePersistenceLayerInterface {
   public idempotencyKeyPrefix: string;
   private cache?: LRUCache<string, IdempotencyRecord>;
   private configured = false;
-  // envVarsService is always initialized in the constructor
-  private readonly envVarsService!: EnvironmentVariablesService;
   private eventKeyJmesPath?: string;
   protected expiresAfterSeconds: number = 60 * 60; // 1 hour default
   private hashFunction = 'md5';
@@ -39,8 +37,10 @@ abstract class BasePersistenceLayer implements BasePersistenceLayerInterface {
   #jmesPathOptions?: JMESPathParsingOptions;
 
   public constructor() {
-    this.envVarsService = new EnvironmentVariablesService();
-    this.idempotencyKeyPrefix = this.getEnvVarsService().getFunctionName();
+    this.idempotencyKeyPrefix = getStringFromEnv({
+      key: 'AWS_LAMBDA_FUNCTION_NAME',
+      errorMessage: 'AWS_LAMBDA_FUNCTION_NAME environment variable is required',
+    });
   }
 
   /**
@@ -244,14 +244,6 @@ abstract class BasePersistenceLayer implements BasePersistenceLayerInterface {
     return hash.digest('base64');
   }
 
-  /**
-   * Getter for `envVarsService`.
-   * Used internally during initialization.
-   */
-  private getEnvVarsService(): EnvironmentVariablesService {
-    return this.envVarsService;
-  }
-
   /**
    * Creates the expiry timestamp for the idempotency record
    *
diff --git a/packages/idempotency/tests/unit/EnvironmentVariableService.test.ts b/packages/idempotency/tests/unit/EnvironmentVariableService.test.ts
deleted file mode 100644
index 86ac2cc68a..0000000000
--- a/packages/idempotency/tests/unit/EnvironmentVariableService.test.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-import { afterEach, beforeEach, describe, expect, it } from 'vitest';
-import { EnvironmentVariablesService } from '../../src/config/EnvironmentVariablesService.js';
-
-describe('Class: EnvironmentVariableService', () => {
-  const ENVIRONMENT_VARIABLES = process.env;
-
-  beforeEach(() => {
-    process.env = { ...ENVIRONMENT_VARIABLES };
-  });
-
-  afterEach(() => {
-    process.env = ENVIRONMENT_VARIABLES;
-  });
-
-  describe('Method: getFunctionName', () => {
-    it('gets the Lambda function name from the environment variable', () => {
-      // Prepare
-      const expectedName = 'test-function';
-      process.env.AWS_LAMBDA_FUNCTION_NAME = expectedName;
-
-      // Act
-      const lambdaName = new EnvironmentVariablesService().getFunctionName();
-
-      // Assess
-      expect(lambdaName).toEqual(expectedName);
-    });
-
-    it('it returns an empty string when the Lambda function name is not set', () => {
-      // Prepare
-      process.env.AWS_LAMBDA_FUNCTION_NAME = undefined;
-
-      // Act
-      const lambdaName = new EnvironmentVariablesService().getFunctionName();
-
-      // Assess
-      expect(lambdaName).toEqual('');
-    });
-  });
-});