3 files changed, 4 insertions, 7 deletions
diff --git a/addons/web/static/src/js/fields/abstract_field.js b/addons/web/static/src/js/fields/abstract_field.js
index 8bb9afca065..2534f8ae90a 100644
--- a/addons/web/static/src/js/fields/abstract_field.js
+++ b/addons/web/static/src/js/fields/abstract_field.js
@@ -45,11 +45,6 @@ var AbstractField = Widget.extend({
     },
 
     /**
-     * fields can extend the context, e.g. binary fields add {bin_size: true}
-     */
-    context: null,
-
-    /**
     * An object representing fields to be fetched by the model eventhough not present in the view
     * This object contains "field name" as key and an object as value.
     * That value object must contain the key "type"
diff --git a/addons/web/static/src/js/fields/basic_fields.js b/addons/web/static/src/js/fields/basic_fields.js
index f3e66cee421..94facd80ceb 100644
--- a/addons/web/static/src/js/fields/basic_fields.js
+++ b/addons/web/static/src/js/fields/basic_fields.js
@@ -1094,7 +1094,6 @@ var AbstractFieldBinary = AbstractField.extend({
         },
         'click .o_clear_file_button': 'on_clear',
     }),
-    context: { bin_size: true },
     init: function (parent, name, record) {
         this._super.apply(this, arguments);
         this.fields = record.fields;
diff --git a/addons/web/static/src/js/fields/field_utils.js b/addons/web/static/src/js/fields/field_utils.js
index 5ac180b1de1..5a11f1b0ba8 100644
--- a/addons/web/static/src/js/fields/field_utils.js
+++ b/addons/web/static/src/js/fields/field_utils.js
@@ -30,7 +30,7 @@ var _t = core._t;
 /**
  * Convert binary to bin_size
  * 
- * @param {string} value base64 representation of the binary (might be already a bin_size!)
+ * @param {string} [value] base64 representation of the binary (might be already a bin_size!)
  * @param {Object} [field]
  *        a description of the field (note: this parameter is ignored) 
  * @param {Object} [options] additional options (note: this parameter is ignored)
@@ -38,6 +38,9 @@ var _t = core._t;
  * @returns {string} bin_size (which is human-readable)
  */
 function formatBinary(value, field, options) {
+    if (!value) {
+        return '';
+    }
     return utils.binaryToBinsize(value);
 }