diff --git a/compiler/src/pre_define.ts b/compiler/src/pre_define.ts
index 005cd4e..81eb06d 100644
--- a/compiler/src/pre_define.ts
+++ b/compiler/src/pre_define.ts
@@ -278,9 +278,6 @@ export const _GENERATE_ID = '__generate__Id';
 
 export const COMPONENT_CONSTRUCTOR_INITIAL_PARAMS: string = 'setInitiallyProvidedValue';
 export const COMPONENT_RERENDER_FUNCTION: string = 'rerender';
-export const SETONEWAYSYNCPROPERTIESUNCHANGED: string = 'setOneWaySyncPropertiesUnchanged';
-export const SETTWOWAYSYNCPROPERTIESUNCHANGED: string = 'setTwoWaySyncPropertiesUnchanged';
-export const COMPONENT_CONSTRUCTOR_SET_STATE_UNCHANGED: string = 'setStateSourcePropertiesUnchanged';
 export const COMPONENT_CONSTRUCTOR_PURGE_VARIABLE_DEP: string = 'purgeVariableDependenciesOnElmtId';
 export const MARKDEPENDENTELEMENTSDIRTY: string = 'markDependentElementsDirty';
 export const ABOUT_TO_BE_DELETE_FUNCTION_ID__: string = 'id__';
diff --git a/compiler/src/process_component_class.ts b/compiler/src/process_component_class.ts
index 332c475..fd6c048 100644
--- a/compiler/src/process_component_class.ts
+++ b/compiler/src/process_component_class.ts
@@ -34,7 +34,6 @@ import {
   CREATE_CONSTRUCTOR_PARAMS,
   COMPONENT_CONSTRUCTOR_UPDATE_PARAMS,
   COMPONENT_CONSTRUCTOR_INITIAL_PARAMS,
-  COMPONENT_CONSTRUCTOR_SET_STATE_UNCHANGED,
   COMPONENT_CONSTRUCTOR_PURGE_VARIABLE_DEP,
   COMPONENT_CONSTRUCTOR_DELETE_PARAMS,
   COMPONENT_DECORATOR_PREVIEW,
@@ -64,8 +63,6 @@ import {
   COMPONENT_IF_UNDEFINED,
   INNER_COMPONENT_MEMBER_DECORATORS,
   COMPONENT_RERENDER_FUNCTION,
-  SETONEWAYSYNCPROPERTIESUNCHANGED,
-  SETTWOWAYSYNCPROPERTIESUNCHANGED,
   RMELMTID,
   ABOUTTOBEDELETEDINTERNAL,
   UPDATEDIRTYELEMENTS,
@@ -143,9 +140,6 @@ function processMembers(members: ts.NodeArray<ts.ClassElement>, parentComponentN
   const newMembers: ts.ClassElement[] = [];
   const watchMap: Map<string, ts.Node> = new Map();
   const updateParamsStatements: ts.Statement[] = [];
-  const setStateUnchangedStatements: ts.Statement[] = [];
-  const setOneWayUnchangedStatements: ts.Statement[] = [];
-  const setTwoWayUnchangedStatements: ts.Statement[] = [];
   const purgeVariableDepStatements: ts.Statement[] = [];
   const rerenderStatements: ts.Statement[] = [];
   const deleteParamsStatements: ts.PropertyDeclaration[] = [];
@@ -186,8 +180,7 @@ function processMembers(members: ts.NodeArray<ts.ClassElement>, parentComponentN
         if (result.getControllerSet()) {
           newMembers.push(result.getControllerSet());
         }
-        processPropertyUnchanged(result, setStateUnchangedStatements, setOneWayUnchangedStatements,
-          setTwoWayUnchangedStatements, purgeVariableDepStatements, rerenderStatements);
+        processPropertyUnchanged(result, purgeVariableDepStatements, rerenderStatements);
       }
     }
     if (ts.isMethodDeclaration(item) && item.name) {
@@ -202,8 +195,8 @@ function processMembers(members: ts.NodeArray<ts.ClassElement>, parentComponentN
   validateBuildMethodCount(buildCount, parentComponentName, log);
   validateHasController(parentComponentName, checkController, log);
   newMembers.unshift(addDeleteParamsFunc(deleteParamsStatements));
-  addIntoNewMembers(newMembers, parentComponentName, updateParamsStatements, setStateUnchangedStatements,
-    setOneWayUnchangedStatements, setTwoWayUnchangedStatements, purgeVariableDepStatements, rerenderStatements);
+  addIntoNewMembers(newMembers, parentComponentName, updateParamsStatements,
+    purgeVariableDepStatements, rerenderStatements);
   newMembers.unshift(addConstructor(ctorNode, watchMap, parentComponentName));
   return newMembers;
 }
@@ -225,23 +218,10 @@ function validateDecorators(item: ts.ClassElement, log: LogInfo[]): void {
 
 function processPropertyUnchanged(
   result: UpdateResult,
-  setStateUnchangedStatements: ts.Statement[],
-  setOneWayUnchangedStatements: ts.Statement[],
-  setTwoWayUnchangedStatements: ts.Statement[],
   purgeVariableDepStatements: ts.Statement[],
   rerenderStatements: ts.Statement[]
 ): void {
   if (sdkVersion.compatibleSdkVersion === 9) {
-    if(result.getPropertyUnchanged()) {
-      const propertyUnchanged: ts.Statement = result.getPropertyUnchanged();
-      if (result.getDecoratorName() === COMPONENT_STATE_DECORATOR) {
-        setStateUnchangedStatements.push(propertyUnchanged);
-      } else if (result.getDecoratorName() === COMPONENT_PROP_DECORATOR) {
-        setOneWayUnchangedStatements.push(propertyUnchanged);
-      } else if(LINKS_DECORATORS.has(result.getDecoratorName())) {
-        setTwoWayUnchangedStatements.push(propertyUnchanged);
-      }
-    }
     if(result.getPurgeVariableDepStatement()) {
       purgeVariableDepStatements.push(result.getPurgeVariableDepStatement());
     }
@@ -255,18 +235,12 @@ function addIntoNewMembers(
   newMembers: ts.ClassElement[],
   parentComponentName: ts.Identifier,
   updateParamsStatements: ts.Statement[],
-  setStateUnchangedStatements: ts.Statement[],
-  setOneWayUnchangedStatements: ts.Statement[],
-  setTwoWayUnchangedStatements: ts.Statement[],
   purgeVariableDepStatements: ts.Statement[],
   rerenderStatements: ts.Statement[]
 ): void {
   if (sdkVersion.compatibleSdkVersion === 9) {
     newMembers.unshift(
       addInitialParamsFunc(updateParamsStatements, parentComponentName),
-      createStateUnchangedFunc(setStateUnchangedStatements),
-      createOneWaySyncUnchangedFunc(setOneWayUnchangedStatements),
-      createTwoWaySyncUnchangedFunc(setTwoWayUnchangedStatements),
       addPurgeVariableDepFunc(purgeVariableDepStatements)
     );  
     newMembers.push(addRerenderFunc(rerenderStatements));
@@ -620,26 +594,6 @@ function addInitialParamsFunc(statements: ts.Statement[], parentComponentName: t
   return createParamsInitBlock(COMPONENT_CONSTRUCTOR_INITIAL_PARAMS, statements, parentComponentName);
 }
 
-function createStateUnchangedFunc(statements: ts.Statement[]): ts.MethodDeclaration {
-  return ts.factory.createMethodDeclaration(undefined, undefined, undefined,
-    ts.factory.createIdentifier(COMPONENT_CONSTRUCTOR_SET_STATE_UNCHANGED), undefined, undefined, [], undefined,
-    ts.factory.createBlock(statements, true));
-}
-
-// @Prop
-function createOneWaySyncUnchangedFunc(statements: ts.Statement[]): ts.MethodDeclaration {
-  return ts.factory.createMethodDeclaration(undefined, undefined, undefined,
-    ts.factory.createIdentifier(SETONEWAYSYNCPROPERTIESUNCHANGED), undefined, undefined, [],
-    undefined, ts.factory.createBlock(statements, true));
-}
-
-// @Link
-function createTwoWaySyncUnchangedFunc(statements: ts.Statement[]): ts.MethodDeclaration {
-  return ts.factory.createMethodDeclaration(
-    undefined, undefined, undefined, ts.factory.createIdentifier(SETTWOWAYSYNCPROPERTIESUNCHANGED),
-    undefined, undefined, [], undefined, ts.factory.createBlock(statements, true));
-}
-
 function addPurgeVariableDepFunc(statements: ts.Statement[]): ts.MethodDeclaration {
   return ts.factory.createMethodDeclaration(
     undefined, undefined, undefined,
diff --git a/compiler/src/process_component_member.ts b/compiler/src/process_component_member.ts
index 2c0cfe8..2b429dd 100644
--- a/compiler/src/process_component_member.ts
+++ b/compiler/src/process_component_member.ts
@@ -136,7 +136,6 @@ export class UpdateResult {
   private updateParams: ts.Statement;
   private deleteParams: boolean = false;
   private controllerSet: ts.MethodDeclaration;
-  private propertyUnchanged: ts.Statement;
   private purgeVariableDepStatement: ts.Statement;
   private rerenderStatement: ts.Statement;
   private decoratorName: string;
@@ -175,10 +174,6 @@ export class UpdateResult {
     this.deleteParams = deleteParams;
   }
 
-  public setPropertyUnchanged(propertyUnchanged: ts.Statement) {
-    this.propertyUnchanged = propertyUnchanged;
-  }
-
   public setPurgeVariableDepStatement(purgeVariableDepStatement: ts.Statement) {
     this.purgeVariableDepStatement = purgeVariableDepStatement;
   }
@@ -211,10 +206,6 @@ export class UpdateResult {
     return this.updateParams;
   }
 
-  public getPropertyUnchanged(): ts.Statement {
-    return this.propertyUnchanged;
-  }
-
   public getPurgeVariableDepStatement(): ts.Statement {
     return this.purgeVariableDepStatement;
   }
@@ -365,29 +356,12 @@ function processStateDecorators(node: ts.PropertyDeclaration, decorator: string,
   }
   if (sdkVersion.compatibleSdkVersion === 9 && BASICDECORATORS.has(decorator)) {
     const variableWithUnderLink: string = '__' + name.escapedText.toString();
-    updateResult.setPropertyUnchanged(createPropertyUnchangedStatement(variableWithUnderLink));
     updateResult.setDecoratorName(decorator);
     updateResult.setPurgeVariableDepStatement(createPurgeVariableDepStatement(variableWithUnderLink));
     updateResult.setRerenderStatement(createRerenderStatement(variableWithUnderLink));
   }
 }
 
-function createPropertyUnchangedStatement(variableWithUnderLink: string): ts.Statement {
-  return ts.factory.createExpressionStatement(
-    ts.factory.createCallExpression(
-      ts.factory.createPropertyAccessExpression(
-        ts.factory.createPropertyAccessExpression(
-          ts.factory.createThis(),
-          ts.factory.createIdentifier(variableWithUnderLink)
-        ),
-        ts.factory.createIdentifier(SETPROPERTYUNCHANGED)
-      ),
-      undefined,
-      []
-    )
-  );
-}
-
 function createPurgeVariableDepStatement(variableWithUnderLink: string): ts.Statement {
   return ts.factory.createExpressionStatement(
     ts.factory.createCallExpression(
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/custom_component/custom_component.ts b/compiler/test/utForPartialUpdate/inner_component_transform/custom_component/custom_component.ts
index a5a4f6f..d054ce3 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/custom_component/custom_component.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/custom_component/custom_component.ts
@@ -53,12 +53,6 @@ exports.expectResult =
     }
     setInitiallyProvidedValue(params) {
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
@@ -141,12 +135,6 @@ class Banner extends View {
             this.value = params.value;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/foreach/foreach.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/foreach/foreach.ts
index d5c6d6e..3ae74ae 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/foreach/foreach.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/foreach/foreach.ts
@@ -42,13 +42,6 @@ exports.expectResult =
             this.arr = params.arr;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__arr.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__arr.purgeDependencyOnElmtId(rmElmtId);
     }
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/if/if.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/if/if.ts
index 4a33c5c..806010b 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/if/if.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/if/if.ts
@@ -56,15 +56,6 @@ exports.expectResult =
             this.toggle3 = params.toggle3;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__toggle1.SetPropertyUnchanged();
-        this.__toggle2.SetPropertyUnchanged();
-        this.__toggle3.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__toggle1.purgeDependencyOnElmtId(rmElmtId);
         this.__toggle2.purgeDependencyOnElmtId(rmElmtId);
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/GridItem.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/GridItem.ts
index 4ad66e0..399594e 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/GridItem.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/GridItem.ts
@@ -34,12 +34,6 @@ exports.expectResult =
     }
     setInitiallyProvidedValue(params) {
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/ListItem.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/ListItem.ts
index 4e334ea..d815324 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/ListItem.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/item/ListItem.ts
@@ -32,12 +32,6 @@ exports.expectResult =
     }
     setInitiallyProvidedValue(params) {
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/lazyforeach/lazyforeach.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/lazyforeach/lazyforeach.ts
index 6ad1094..2e4960d 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/lazyforeach/lazyforeach.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/lazyforeach/lazyforeach.ts
@@ -183,12 +183,6 @@ class Test extends View {
             this.data = params.data;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
diff --git a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/tab/tab.ts b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/tab/tab.ts
index 1ba43d6..f530986 100644
--- a/compiler/test/utForPartialUpdate/inner_component_transform/render_component/tab/tab.ts
+++ b/compiler/test/utForPartialUpdate/inner_component_transform/render_component/tab/tab.ts
@@ -63,12 +63,6 @@ exports.expectResult =
             this.controller = params.controller;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
     }
     aboutToBeDeleted() {
diff --git a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@link/@link.ts b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@link/@link.ts
index ad22cd4..e7dedf2 100644
--- a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@link/@link.ts
+++ b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@link/@link.ts
@@ -42,13 +42,6 @@ exports.expectResult =
     }
     setInitiallyProvidedValue(params) {
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-        this.__counter.SetPropertyUnchanged();
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__counter.purgeDependencyOnElmtId(rmElmtId);
     }
@@ -90,13 +83,6 @@ class ParentComponent extends View {
             this.value = params.value;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__value.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__value.purgeDependencyOnElmtId(rmElmtId);
     }
diff --git a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@objectLink/@objectLink.ts b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@objectLink/@objectLink.ts
index e89e261..7144bfa 100644
--- a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@objectLink/@objectLink.ts
+++ b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@objectLink/@objectLink.ts
@@ -79,13 +79,6 @@ class CustomText extends View {
     setInitiallyProvidedValue(params) {
         this.__model.set(params.model);
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-        this.__model.SetPropertyUnchanged();
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__model.purgeDependencyOnElmtId(rmElmtId);
     }
@@ -137,13 +130,6 @@ class Parent extends View {
             this.models = params.models;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__models.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__models.purgeDependencyOnElmtId(rmElmtId);
     }
diff --git a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@prop/@prop.ts b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@prop/@prop.ts
index df78558..27d59a3 100644
--- a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@prop/@prop.ts
+++ b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@prop/@prop.ts
@@ -42,13 +42,6 @@ exports.expectResult =
     }
     setInitiallyProvidedValue(params) {
     }
-    setStateSourcePropertiesUnchanged() {
-    }
-    setOneWaySyncPropertiesUnchanged() {
-        this.__counter.SetPropertyUnchanged();
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__counter.purgeDependencyOnElmtId(rmElmtId);
     }
@@ -90,13 +83,6 @@ class ParentComponent extends View {
             this.value = params.value;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__value.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__value.purgeDependencyOnElmtId(rmElmtId);
     }
diff --git a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@state/@state.ts b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@state/@state.ts
index d282fa2..52ba157 100644
--- a/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@state/@state.ts
+++ b/compiler/test/utForPartialUpdate/ui_state_management/inner_struct_state_management/@state/@state.ts
@@ -37,13 +37,6 @@ exports.expectResult =
             this.counter = params.counter;
         }
     }
-    setStateSourcePropertiesUnchanged() {
-        this.__counter.SetPropertyUnchanged();
-    }
-    setOneWaySyncPropertiesUnchanged() {
-    }
-    setTwoWaySyncPropertiesUnchanged() {
-    }
     purgeVariableDependenciesOnElmtId(rmElmtId) {
         this.__counter.purgeDependencyOnElmtId(rmElmtId);
     }