diff --git a/core/serialization/blocks.js b/core/serialization/blocks.js
index 04f175bc1..49dcde835 100644
--- a/core/serialization/blocks.js
+++ b/core/serialization/blocks.js
@@ -51,9 +51,6 @@ exports.ConnectionState = ConnectionState;
  *     y: (number|undefined),
  *     collapsed: (boolean|undefined),
  *     disabled: (boolean|undefined),
- *     editable: (boolean|undefined),
- *     deletable: (boolean|undefined),
- *     movable: (boolean|undefined),
  *     inline: (boolean|undefined),
  *     data: (string|undefined),
  *     extra-state: *,
@@ -118,7 +115,7 @@ exports.save = save;
 
 /**
  * Adds attributes to the given state object based on the state of the block.
- * Eg collapsed, disabled, editable, etc.
+ * Eg collapsed, disabled, inline, etc.
  * @param {!Block} block The block to base the attributes on.
  * @param {!State} state The state object to append to.
  */
@@ -129,21 +126,10 @@ const saveAttributes = function(block, state) {
   if (!block.isEnabled()) {
     state['enabled'] = false;
   }
-  if (!block.isEditable()) {
-    state['editable'] = false;
-  }
-  if (!block.isDeletable() && !block.isShadow()) {
-    state['deletable'] = false;
-  }
-  if (!block.isMovable() && !block.isShadow()) {
-    state['movable'] = false;
-  }
-
   if (block.inputsInline !== undefined &&
       block.inputsInline !== block.inputsInlineDefault) {
     state['inline'] = block.inputsInline;
   }
-
   // Data is a nullable string, so we don't need to worry about falsy values.
   if (block.data) {
     state['data'] = block.data;
@@ -383,15 +369,6 @@ const loadAttributes = function(block, state) {
   if (state['enabled'] === false) {
     block.setEnabled(false);
   }
-  if (state['editable'] === false) {
-    block.setEditable(false);
-  }
-  if (state['deletable'] === false) {
-    block.setDeletable(false);
-  }
-  if (state['movable'] === false) {
-    block.setMovable(false);
-  }
   if (state['inline'] !== undefined) {
     block.setInputsInline(state['inline']);
   }
diff --git a/tests/mocha/jso_serialization_test.js b/tests/mocha/jso_serialization_test.js
index 836089320..9e05482c1 100644
--- a/tests/mocha/jso_serialization_test.js
+++ b/tests/mocha/jso_serialization_test.js
@@ -83,70 +83,6 @@ suite('JSO Serialization', function() {
         });
       });
 
-      suite('Deletable', function() {
-        test('False', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setDeletable(false);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertProperty(jso, 'deletable', false);
-        });
-
-        test('True', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setDeletable(true);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertNoProperty(jso, 'deletable');
-        });
-
-        test('False and Shadow', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setDeletable(false);
-          block.setShadow(true);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertNoProperty(jso, 'deletable');
-        });
-      });
-
-      suite('Movable', function() {
-        test('False', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setMovable(false);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertProperty(jso, 'movable', false);
-        });
-
-        test('True', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setMovable(true);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertNoProperty(jso, 'movable');
-        });
-
-        test('False and Shadow', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setMovable(false);
-          block.setShadow(true);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertNoProperty(jso, 'movable');
-        });
-      });
-
-      suite('Editable', function() {
-        test('False', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setEditable(false);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertProperty(jso, 'editable', false);
-        });
-
-        test('True', function() {
-          const block = this.workspace.newBlock('row_block');
-          block.setEditable(true);
-          const jso = Blockly.serialization.blocks.save(block);
-          assertNoProperty(jso, 'editable');
-        });
-      });
-
       suite('Inline', function() {
         test('True', function() {
           const block = this.workspace.newBlock('statement_block');
diff --git a/tests/mocha/serializer_test.js b/tests/mocha/serializer_test.js
index 4fd20f901..bc8980697 100644
--- a/tests/mocha/serializer_test.js
+++ b/tests/mocha/serializer_test.js
@@ -49,7 +49,7 @@ Serializer.Empty = new SerializerTestCase('Empty',
 );
 Serializer.Data = new SerializerTestCase('Data',
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="logic_negate" id="id******************" editable="false" x="42" y="42">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
     '<data>test data</data>' +
     '</block>' +
     '</xml>');
@@ -71,25 +71,10 @@ Serializer.Attributes.Disabled = new SerializerTestCase('Disabled',
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
     '<block type="logic_negate" id="id******************" disabled="true" x="42" y="42"></block>' +
     '</xml>');
-Serializer.Attributes.Deletable = new SerializerTestCase('Deletable',
-    '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="logic_negate" id="id******************" deletable="false" x="42" y="42"></block>' +
-    '</xml>');
-Serializer.Attributes.Movable = new SerializerTestCase('Movable',
-    '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="logic_negate" id="id******************" movable="false" x="42" y="42"></block>' +
-    '</xml>');
-Serializer.Attributes.Editable = new SerializerTestCase('Editable',
-    '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="logic_negate" id="id******************" editable="false" x="42" y="42"></block>' +
-    '</xml>');
 Serializer.Attributes.testCases = [
   Serializer.Attributes.Basic,
   Serializer.Attributes.Collapsed,
   Serializer.Attributes.Disabled,
-  Serializer.Attributes.Deletable,
-  Serializer.Attributes.Movable,
-  Serializer.Attributes.Editable,
 ];
 
 Serializer.Attributes.Inline = new SerializerTestSuite('Inline');