diff --git a/frontend/src/Store/Actions/releaseActions.js b/frontend/src/Store/Actions/releaseActions.js
index 898b27eb9..024045657 100644
--- a/frontend/src/Store/Actions/releaseActions.js
+++ b/frontend/src/Store/Actions/releaseActions.js
@@ -243,6 +243,7 @@ export const actionHandlers = handleThunks({
       url: '/release',
       method: 'POST',
       contentType: 'application/json',
+      dataType: 'json',
       data: JSON.stringify(payload)
     }).request;
 
diff --git a/frontend/src/Store/Actions/searchActions.js b/frontend/src/Store/Actions/searchActions.js
index cd8a15d92..f27046354 100644
--- a/frontend/src/Store/Actions/searchActions.js
+++ b/frontend/src/Store/Actions/searchActions.js
@@ -115,6 +115,7 @@ export const actionHandlers = handleThunks({
     const promise = createAjaxRequest({
       url: '/author',
       method: 'POST',
+      dataType: 'json',
       contentType: 'application/json',
       data: JSON.stringify(newAuthor)
     }).request;
@@ -153,6 +154,7 @@ export const actionHandlers = handleThunks({
     const promise = createAjaxRequest({
       url: '/book',
       method: 'POST',
+      dataType: 'json',
       contentType: 'application/json',
       data: JSON.stringify(newBook)
     }).request;
diff --git a/frontend/src/Utilities/createAjaxRequest.js b/frontend/src/Utilities/createAjaxRequest.js
index b47b957f2..0f025d74c 100644
--- a/frontend/src/Utilities/createAjaxRequest.js
+++ b/frontend/src/Utilities/createAjaxRequest.js
@@ -7,18 +7,6 @@ function isRelative(ajaxOptions) {
   return !absUrlRegex.test(ajaxOptions.url);
 }
 
-function moveBodyToQuery(ajaxOptions) {
-  if (ajaxOptions.data && ajaxOptions.type === 'DELETE') {
-    if (ajaxOptions.url.contains('?')) {
-      ajaxOptions.url += '&';
-    } else {
-      ajaxOptions.url += '?';
-    }
-    ajaxOptions.url += $.param(ajaxOptions.data);
-    delete ajaxOptions.data;
-  }
-}
-
 function addRootUrl(ajaxOptions) {
   ajaxOptions.url = apiRoot + ajaxOptions.url;
 }
@@ -32,7 +20,7 @@ function addContentType(ajaxOptions) {
   if (
     ajaxOptions.contentType == null &&
     ajaxOptions.dataType === 'json' &&
-    (ajaxOptions.method === 'PUT' || ajaxOptions.method === 'POST')) {
+    (ajaxOptions.method === 'PUT' || ajaxOptions.method === 'POST' || ajaxOptions.method === 'DELETE')) {
     ajaxOptions.contentType = 'application/json';
   }
 }
@@ -52,7 +40,6 @@ export default function createAjaxRequest(originalAjaxOptions) {
   const ajaxOptions = { ...originalAjaxOptions };
 
   if (isRelative(ajaxOptions)) {
-    moveBodyToQuery(ajaxOptions);
     addRootUrl(ajaxOptions);
     addApiKey(ajaxOptions);
     addContentType(ajaxOptions);