diff --git a/CHANGELOG b/CHANGELOG
index 78a996dc8b..5ca32cba4c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Limit readonly state for xxx2Many
 * Simplify login with single database 
 * Show records names in relate window title
 * Add support for count on Action Window Domains
diff --git a/src/model.js b/src/model.js
index dff0aa8079..bb92dd5ebe 100644
--- a/src/model.js
+++ b/src/model.js
@@ -2129,9 +2129,6 @@
             return this.get_domains(record, pre_validate)[0];
         },
         validate: function(record, softvalidation, pre_validate) {
-            if (this.description.readonly) {
-                return true;
-            }
             var invalid = false;
             var inversion = new Sao.common.DomainInversion();
             var ldomain = inversion.localize_domain(inversion.domain_inversion(
@@ -2166,8 +2163,6 @@
         set_state: function(record, states) {
             this._set_default_value(record);
             Sao.field.One2Many._super.set_state.call(this, record, states);
-            record._values[this.name].readonly = this.get_state_attrs(record)
-                .readonly;
         }
     });
 
diff --git a/src/view/form.js b/src/view/form.js
index 32b5b1458b..d6c71162c3 100644
--- a/src/view/form.js
+++ b/src/view/form.js
@@ -2211,7 +2211,6 @@
                 view_ids: (attributes.view_ids || '').split(','),
                 views_preload: attributes.views || {},
                 row_activate: this.activate.bind(this),
-                readonly: attributes.readonly || false,
                 exclude_field: attributes.relation_field || null,
                 pre_validate: attributes.pre_validate
             });
@@ -2293,18 +2292,15 @@
                         this.screen.set_current_record(null);
                     }
                 }
-                var readonly = false;
                 var domain = [];
                 var size_limit = null;
                 if (record) {
-                    readonly = field.get_state_attrs(record).readonly;
                     domain = field.get_domain(record);
                     size_limit = record.expr_eval(this.attributes.size);
                 }
                 if (!Sao.common.compare(this.screen.domain, domain)) {
                     this.screen.domain = domain;
                 }
-                this.screen.group.set_readonly(readonly);
                 this.screen.size_limit = size_limit;
                 this.screen.display();
             }.bind(this));
@@ -2731,7 +2727,6 @@
                 'view_ids': (this.attributes.view_ids || '').split(','),
                 'mode': ['form'],
                 'views_preload': this.attributes.views,
-                'readonly': this.attributes.readonly || false,
                 'context': context
             });
             screen.new_group([this.screen.current_record.id]);