diff --git a/src/platforms/web/runtime/modules/dom-props.js b/src/platforms/web/runtime/modules/dom-props.js
index ceec663ac33..da8143bf81e 100644
--- a/src/platforms/web/runtime/modules/dom-props.js
+++ b/src/platforms/web/runtime/modules/dom-props.js
@@ -86,10 +86,6 @@ function isDirtyWithModifiers (elm: any, newVal: string): boolean {
   const value = elm.value
   const modifiers = elm._vModifiers // injected by v-model runtime
   if (isDef(modifiers)) {
-    if (modifiers.lazy) {
-      // inputs with lazy should only be updated when not in focus
-      return false
-    }
     if (modifiers.number) {
       return toNumber(value) !== toNumber(newVal)
     }