diff --git a/js/app/dataAccess.js b/js/app/dataAccess.js
index db1d552..fa45357 100644
--- a/js/app/dataAccess.js
+++ b/js/app/dataAccess.js
@@ -123,8 +123,7 @@ define(['diag'], function (diag) {
             deferred = $.Deferred();
 
             url = dataAccess.featureServiceUrl + "query?where=" + (condition || dataAccess.validCandidateCondition)
-                    + "&objectIds=&returnIdsOnly=false&returnCountOnly=true&outFields=" + dataAccess.fixedQueryParams
-                    + "&callback=?";
+                    + "&objectIds=&returnIdsOnly=false&returnCountOnly=true&outFields=" + dataAccess.fixedQueryParams;
             $.getJSON(url, function handleObjectCountClosure(results) {
                 dataAccess.handleObjectCount(results, deferred, condition);
             });
@@ -166,8 +165,7 @@ define(['diag'], function (diag) {
 
             // Get the ids of available unsurveyed candidates
             url = dataAccess.featureServiceUrl + "query?where=" + dataAccess.validCandidateCondition
-                    + "&objectIds=&returnIdsOnly=true&returnCountOnly=false&outFields=" + dataAccess.fixedQueryParams
-                    + "&callback=?";
+                    + "&objectIds=&returnIdsOnly=true&returnCountOnly=false&outFields=" + dataAccess.fixedQueryParams;
             $.post(url, function handleCandidatesClosure(results) {
                 dataAccess.handleCandidates(results, randomizeSelection, deferred);
             },'json');
@@ -210,15 +208,14 @@ define(['diag'], function (diag) {
             // Get the candidate's attributes
             attributesDeferred = $.Deferred();
             objectAttrsUrl = dataAccess.featureServiceUrl + "query?objectIds=" + objectId
-                    + "&returnIdsOnly=false&returnCountOnly=false&outFields=*" + dataAccess.fixedQueryParams
-                    + "&callback=?";
+                    + "&returnIdsOnly=false&returnCountOnly=false&outFields=*" + dataAccess.fixedQueryParams;
             $.getJSON(objectAttrsUrl, function handleCandidateAttrsClosure(results) {
                 dataAccess.handleCandidateAttrs(results, attributesDeferred);
             });
 
             // Get the candidate's attachments
             attachmentsDeferred = $.Deferred();
-            objectAttachmentsUrl = dataAccess.featureServiceUrl + objectId + "/attachments?f=json&callback=?";
+            objectAttachmentsUrl = dataAccess.featureServiceUrl + objectId + "/attachments?f=json";
             $.getJSON(objectAttachmentsUrl, function handleCandidateAttachmentsClosure(results) {
                 dataAccess.handleCandidateAttachments(objectId, results, attributesDeferred, attachmentsDeferred);
             });
diff --git a/js/app/fetchConfigInfo.js b/js/app/fetchConfigInfo.js
index a4812fa..cf625e1 100644
--- a/js/app/fetchConfigInfo.js
+++ b/js/app/fetchConfigInfo.js
@@ -72,7 +72,7 @@ define(['parseConfigInfo'], function (parseConfigInfo) {
             }
 
             if (parseConfigInfo.isUsableString(appId)) {
-                $.getJSON(arcgisUrl + appId + "/data?f=json&callback=?", function (data) {
+                $.getJSON(arcgisUrl + appId + "/data?f=json", function (data) {
                     deferred.resolve((data && data.values) || {});
                 });
             } else {
@@ -103,7 +103,7 @@ define(['parseConfigInfo'], function (parseConfigInfo) {
             deferreds.origImageUrl = origImageUrlDeferred || $.Deferred();
 
             if (parseConfigInfo.isUsableString(webmapId)) {
-                $.getJSON(arcgisUrl + webmapId + "?f=json&callback=?", function (data) {
+                $.getJSON(arcgisUrl + webmapId + "?f=json", function (data) {
                     var normalizedData = {}, imageUrl, iExt;
                     if (!data || data.error) {
                         deferreds.params.reject();
@@ -161,7 +161,7 @@ define(['parseConfigInfo'], function (parseConfigInfo) {
             }
 
             if (parseConfigInfo.isUsableString(webmapId)) {
-                $.getJSON(arcgisUrl + webmapId + "/data?f=json&callback=?", function (data) {
+                $.getJSON(arcgisUrl + webmapId + "/data?f=json", function (data) {
                     var featureSvcData = {};
 
                     if (data && data.operationalLayers && data.operationalLayers.length > 0 && data.tables && data.tables.length > 0) {
@@ -207,7 +207,7 @@ define(['parseConfigInfo'], function (parseConfigInfo) {
                 deferred = $.Deferred();
             }
             if (parseConfigInfo.isUsableString(featureSvcUrl)) {
-                $.getJSON(featureSvcUrl + "?f=json&callback=?", function (data) {
+                $.getJSON(featureSvcUrl + "?f=json", function (data) {
                     data.canBeUpdated = data.capabilities && data.capabilities.indexOf("Update") >= 0;
                     deferred.resolve(data);
                 });