diff --git a/app/components/image/imageController.js b/app/components/image/imageController.js
index 2eeb4aea6..a0eac1bc8 100644
--- a/app/components/image/imageController.js
+++ b/app/components/image/imageController.js
@@ -68,7 +68,11 @@ function ($scope, $stateParams, $state, Image, ImageHelper, Messages) {
       }
     }, function (e) {
       $('#loadingViewSpinner').hide();
-      Messages.error("Unable to remove image", e.data);
+      if (e.data.message) {
+        Messages.error("Failure", e.data.message);
+      } else {
+        Messages.error("Failure", 'Unable to remove image');
+      }
     });
   };
 
diff --git a/app/components/images/imagesController.js b/app/components/images/imagesController.js
index d31cbb01f..a33c5b523 100644
--- a/app/components/images/imagesController.js
+++ b/app/components/images/imagesController.js
@@ -81,7 +81,11 @@ function ($scope, $state, Config, Image, Messages) {
           }
           complete();
         }, function (e) {
-          Messages.error("Unable to remove image", e.data);
+          if (e.data.message) {
+            Messages.error("Failure", e.data.message);
+          } else {
+            Messages.error("Failure", 'Unable to remove image');
+          }
           complete();
         });
       }
@@ -104,5 +108,4 @@ function ($scope, $state, Config, Image, Messages) {
     $scope.availableRegistries = c.registries;
     fetchImages();
   });
-
 }]);
diff --git a/app/components/networks/networksController.js b/app/components/networks/networksController.js
index cb5a9bbe7..d42c2b949 100644
--- a/app/components/networks/networksController.js
+++ b/app/components/networks/networksController.js
@@ -54,7 +54,6 @@ function ($scope, $state, Network, Config, Messages, errorMsgFilter) {
           }
           complete();
         }, function (e) {
-          console.log(JSON.stringify(e, null, 4));
           if (e.data.message) {
             Messages.error("Failure", e.data.message);
           } else {
diff --git a/app/shared/responseHandlers.js b/app/shared/responseHandlers.js
index 30fd1f94e..efe4e13da 100644
--- a/app/shared/responseHandlers.js
+++ b/app/shared/responseHandlers.js
@@ -1,3 +1,7 @@
+function isJSONArray(jsonString) {
+    return Object.prototype.toString.call(jsonString) === '[object Array]';
+}
+
 function isJSON(jsonString) {
   try {
     var o = JSON.parse(jsonString);
@@ -17,30 +21,35 @@ function jsonObjectsToArrayHandler(data) {
   return angular.fromJson(str);
 }
 
-// Image delete API returns an array on success and a string on error.
-// This handler creates an array composed of a single object with a field 'message'
-// from a string in case of error.
+// Image delete API returns an array on success (Docker 1.9 -> Docker 1.12).
+// On error, it returns either an error message as a string (Docker < 1.12) or a JSON object with the field message
+// container the error (Docker = 1.12).
+// This handler returns the original array on success or a newly created array containing
+// only one JSON object with the field message filled with the error message on failure.
 function deleteImageHandler(data) {
-  var response;
+  var response = [];
+  // A string is returned on failure (Docker < 1.12)
   if (!isJSON(data)) {
-    var arr = [];
-    response = {};
-    response.message = data;
-    arr.push(response);
-    console.log(JSON.stringify(arr, null, 4));
-    return arr;
+    response.push({message: data});
+  }
+  // A JSON object is returned on failure (Docker = 1.12)
+  else if (!isJSONArray) {
+    var json = angular.fromJson(data);
+    response.push(json);
+  }
+  // An array is returned on success (Docker 1.9 -> 1.12)
+  else {
+    response = angular.fromJson(data);
   }
-  response = angular.fromJson(data);
   return response;
 }
 
-// Network delete API returns an empty string on success.
+// Network delete API returns an empty string on success (Docker 1.9 -> Docker 1.12).
 // On error, it returns either an error message as a string (Docker < 1.12) or a JSON object with the field message
 // container the error (Docker = 1.12).
-// This handler returns an empty object on success or a JSON object with the field message container the error message
-// on failure.
+// This handler returns an empty object on success or a newly created JSON object with
+// the field message containing the error message on failure.
 function deleteNetworkHandler(data) {
-  console.log(JSON.stringify(data, null, 4));
   var response = {};
   // No data is returned when deletion is successful (Docker 1.9 -> 1.12)
   if (!data) {