diff --git a/addons/mass_mailing/static/src/js/mass_mailing_snippets.js b/addons/mass_mailing/static/src/js/mass_mailing_snippets.js
index 28ac0bd177b..1ce86fda384 100644
--- a/addons/mass_mailing/static/src/js/mass_mailing_snippets.js
+++ b/addons/mass_mailing/static/src/js/mass_mailing_snippets.js
@@ -17,82 +17,6 @@ const {
 // Options
 //--------------------------------------------------------------------------
 
-// Snippet option for resizing  image and column width inline like excel
-options.registry.mass_mailing_sizing_x = options.Class.extend({
-    /**
-     * @override
-     */
-    start: function () {
-        var def = this._super.apply(this, arguments);
-
-        this.containerWidth = this.$target.parent().closest("td, table, div").width();
-
-        var self = this;
-        var offset, sib_offset, target_width, sib_width;
-
-        this.$overlay.find(".o_handle.e, .o_handle.w").removeClass("readonly");
-        this.isIMG = this.$target.is("img");
-        if (this.isIMG) {
-            this.$overlay.find(".o_handle.w").addClass("readonly");
-        }
-
-        var $body = $(this.ownerDocument.body);
-        this.$overlay.find(".o_handle").on('mousedown', function (event) {
-            event.preventDefault();
-            var $handle = $(this);
-            var compass = false;
-
-            _.each(['n', 's', 'e', 'w'], function (handler) {
-                if ($handle.hasClass(handler)) { compass = handler; }
-            });
-            if (self.isIMG) { compass = "image"; }
-
-            $body.on("mousemove.mass_mailing_width_x", function (event) {
-                event.preventDefault();
-                offset = self.$target.offset().left;
-                target_width = self.get_max_width(self.$target);
-                if (compass === 'e' && self.$target.next().offset()) {
-                    sib_width = self.get_max_width(self.$target.next());
-                    sib_offset = self.$target.next().offset().left;
-                    self.change_width(event, self.$target, target_width, offset, true);
-                    self.change_width(event, self.$target.next(), sib_width, sib_offset, false);
-                }
-                if (compass === 'w' && self.$target.prev().offset()) {
-                    sib_width = self.get_max_width(self.$target.prev());
-                    sib_offset = self.$target.prev().offset().left;
-                    self.change_width(event, self.$target, target_width, offset, false);
-                    self.change_width(event, self.$target.prev(), sib_width, sib_offset, true);
-                }
-                if (compass === 'image') {
-                    self.change_width(event, self.$target, target_width, offset, true);
-                }
-            });
-            $body.one("mouseup", function () {
-                $body.off('.mass_mailing_width_x');
-            });
-        });
-
-        return def;
-    },
-    change_width: function (event, target, target_width, offset, grow) {
-        target.css("width", Math.round(grow ? (event.pageX - offset) : (offset + target_width - event.pageX)));
-        this.trigger_up('cover_update');
-    },
-    get_int_width: function (el) {
-        return parseInt($(el).css("width"), 10);
-    },
-    get_max_width: function ($el) {
-        return this.containerWidth - _.reduce(_.map($el.siblings(), this.get_int_width), function (memo, w) { return memo + w; });
-    },
-    onFocus: function () {
-        this._super.apply(this, arguments);
-
-        if (this.$target.is("td, th")) {
-            this.$overlay.find(".o_handle.e, .o_handle.w").toggleClass("readonly", this.$target.siblings().length === 0);
-        }
-    },
-});
-
 // Adding compatibility for the outlook compliance of mailings.
 // Commit of such compatibility : a14f89c8663c9cafecb1cc26918055e023ecbe42
 options.registry.MassMailingBackgroundImage = options.registry.BackgroundImage.extend({
diff --git a/addons/mass_mailing/views/snippets_themes.xml b/addons/mass_mailing/views/snippets_themes.xml
index 80cf89ebc21..1f42dbb17d9 100644
--- a/addons/mass_mailing/views/snippets_themes.xml
+++ b/addons/mass_mailing/views/snippets_themes.xml
@@ -430,9 +430,6 @@
             <we-button data-select-class="o_height_800" title="800px">100%</we-button>
         </we-button-group>
     </div>
-    <div data-js="mass_mailing_sizing_x"
-        data-selector="img, .mv, .col_mv, td, th"
-        data-exclude=".o_mail_no_resize, .o_mail_no_options"/>
 
     <div data-js="table_row"
         data-selector="tr:has(> .row), tr:has(> .col_mv)"