diff --git a/src/mixins/bind-event.ts b/src/mixins/bind-event.ts
deleted file mode 100644
index d727ac160..000000000
--- a/src/mixins/bind-event.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * Bind event when mounted or activated
- */
-import { on, off } from '../utils/dom/event';
-
-type BindEventMixinThis = {
-  binded: boolean;
-};
-
-type BindEventHandler = (bind: typeof on | typeof off, isBind: boolean) => void;
-
-export function BindEventMixin(handler: BindEventHandler) {
-  function bind(this: BindEventMixinThis) {
-    if (!this.binded) {
-      handler.call(this, on, true);
-      this.binded = true;
-    }
-  }
-
-  function unbind(this: BindEventMixinThis) {
-    if (this.binded) {
-      handler.call(this, off, false);
-      this.binded = false;
-    }
-  }
-
-  return {
-    mounted: bind,
-    activated: bind,
-    deactivated: unbind,
-    beforeUnmount: unbind,
-  };
-}
diff --git a/src/mixins/field.js b/src/mixins/field.js
deleted file mode 100644
index 0933adbf7..000000000
--- a/src/mixins/field.js
+++ /dev/null
@@ -1,29 +0,0 @@
-import { FIELD_KEY } from '../field';
-
-export const FieldMixin = {
-  inject: {
-    vanField: {
-      from: FIELD_KEY,
-      default: null,
-    },
-  },
-
-  watch: {
-    modelValue() {
-      const field = this.vanField;
-
-      if (field) {
-        field.resetValidation();
-        field.validateWithTrigger('onChange');
-      }
-    },
-  },
-
-  created() {
-    const field = this.vanField;
-
-    if (field && !field.childFieldValue.value) {
-      field.childFieldValue.value = () => this.modelValue;
-    }
-  },
-};
diff --git a/src/mixins/relation.js b/src/mixins/relation.js
deleted file mode 100644
index c0bae840c..000000000
--- a/src/mixins/relation.js
+++ /dev/null
@@ -1,67 +0,0 @@
-export function ChildrenMixin(parent, options = {}) {
-  const indexKey = options.indexKey || 'index';
-
-  return {
-    inject: {
-      // TODO: disableBindRelation
-      parent: {
-        from: parent,
-        default: null,
-      },
-    },
-
-    computed: {
-      [indexKey]() {
-        this.bindRelation();
-
-        if (this.parent) {
-          return this.parent.children.indexOf(this);
-        }
-
-        return null;
-      },
-    },
-
-    mounted() {
-      this.bindRelation();
-    },
-
-    beforeUnmount() {
-      if (this.parent) {
-        this.parent.children = this.parent.children.filter(
-          (item) => item !== this
-        );
-      }
-    },
-
-    methods: {
-      bindRelation() {
-        if (!this.parent || this.parent.children.indexOf(this) !== -1) {
-          return;
-        }
-
-        const children = [...this.parent.children, this];
-
-        // TODO sortChildren
-
-        this.parent.children = children;
-      },
-    },
-  };
-}
-
-export function ParentMixin(parent) {
-  return {
-    provide() {
-      return {
-        [parent]: this,
-      };
-    },
-
-    data() {
-      return {
-        children: [],
-      };
-    },
-  };
-}