diff --git a/__tests__/lhisp-oauth-client.test.ts b/__tests__/lhisp-oauth-client.test.ts
index c4e26bd..a47af5b 100644
--- a/__tests__/lhisp-oauth-client.test.ts
+++ b/__tests__/lhisp-oauth-client.test.ts
@@ -105,24 +105,6 @@ describe("Get Access Token", () => {
       })
     );
   });
-
-  it("Shoud Get with Credentials without ContentType", async () => {
-    const cli = getOauthClient({
-      ...baseClientParams,
-      disableAuthContentType: true,
-    });
-    await accessTokenValidator(cli);
-    expect(mockedAxios.request).toBeCalledWith(
-      expect.objectContaining({
-        url: authUrl,
-        method: "POST",
-        headers: {
-          Authorization: basicAuth,
-        },
-        data: `grant_type=${defaultGrantValue}`,
-      })
-    );
-  });
 });
 
 describe("Request", () => {
diff --git a/package-lock.json b/package-lock.json
index 9069b7a..16b3654 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "lhisp-oauth-client",
-  "version": "1.0.14",
+  "version": "1.0.15",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "lhisp-oauth-client",
-      "version": "1.0.14",
+      "version": "1.0.15",
       "license": "MIT",
       "dependencies": {
         "axios": "^1.4.0",
diff --git a/package.json b/package.json
index abcd646..5058bd5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lhisp-oauth-client",
-  "version": "1.0.14",
+  "version": "1.0.15",
   "main": "src/index",
   "types": "src/index.d.ts",
   "repository": "git@bitbucket.org:leandro_costa/lhisp-oauth-client.git",
diff --git a/src/lhisp-oauth-client.t.ts b/src/lhisp-oauth-client.t.ts
index 954b77c..cacb4f8 100644
--- a/src/lhisp-oauth-client.t.ts
+++ b/src/lhisp-oauth-client.t.ts
@@ -18,7 +18,6 @@ export interface LhispOauthClientConstructorParams {
   grantType?: string;
   authContentType?: ContentType;
   sendAuthCredentialsOnRequestBody?: boolean;
-  disableAuthContentType?: boolean;
   debug?: boolean;
 }
 
diff --git a/src/lhisp-oauth-client.ts b/src/lhisp-oauth-client.ts
index e51f7a5..8c63e33 100644
--- a/src/lhisp-oauth-client.ts
+++ b/src/lhisp-oauth-client.ts
@@ -21,7 +21,6 @@ export class LhispOauthClient<iAccessToken extends AccessToken = AccessToken> {
   protected authHeaderName: string;
   protected tokenHeaderName: string;
   protected authContentType: ContentType;
-  protected disableAuthContentType = false;
   protected certificado?: string;
   protected senhaCertificado?: string;
   protected authScope?: string;
@@ -54,7 +53,6 @@ export class LhispOauthClient<iAccessToken extends AccessToken = AccessToken> {
     this.authScope = params.authScope;
     this.grantType = params.grantType || defaultGrantType;
     this.authContentType = params.authContentType || defaultAuthContentType;
-    this.disableAuthContentType = Boolean(params.disableAuthContentType);
     this.clientId = params.clientId;
     this.clientSecret = params.clientSecret;
     this.authHeaderName = params.authHeaderName || defaultAuthHeaderName;
@@ -100,7 +98,7 @@ export class LhispOauthClient<iAccessToken extends AccessToken = AccessToken> {
         httpsAgent: this.agent,
         headers: {
           [this.authHeaderName]: this.getAuthHeaderValue(),
-          ...(this.disableAuthContentType ? {} : { "Content-Type": this.authContentType }),
+          "Content-Type": this.authContentType,
         },
         data: {},
       };
@@ -113,7 +111,10 @@ export class LhispOauthClient<iAccessToken extends AccessToken = AccessToken> {
         if (this.clientSecret) authRequestOpt.data.client_secret = this.clientSecret;
       }
 
-      authRequestOpt.data = this.parseData({ data: authRequestOpt.data, contentType: this.authContentType });
+      authRequestOpt.data = this.parseData({
+        data: authRequestOpt.data,
+        contentType: this.authContentType,
+      });
       const resp = await axios.request(authRequestOpt);
       this.accessToken = this.buildAccessToken(resp.data);
       this.tokenCreatedAt = new Date().getTime();