diff --git a/plugins/groovy/src/META-INF/plugin.xml b/plugins/groovy/src/META-INF/plugin.xml
index a8ff40a651ba..b9345ac8ca0d 100644
--- a/plugins/groovy/src/META-INF/plugin.xml
+++ b/plugins/groovy/src/META-INF/plugin.xml
@@ -828,7 +828,7 @@
                      groupName="Style" enabledByDefault="false" level="WARNING"
                      implementationClass="org.jetbrains.plugins.groovy.codeInspection.style.JavaStylePropertiesInvocationInspection"/>
     <localInspection language="Groovy" groupPath="Groovy" groupName="Style"
-                     displayName="Unnecessary 'def'" cleanupTool="true"
+                     displayName="Unnecessary 'def'" cleanupTool="true" enabledByDefault="true"
                      implementationClass="org.jetbrains.plugins.groovy.codeInspection.style.GrUnnecessaryDefModifierInspection"/>
     <localInspection language="Groovy" groupPath="Groovy" groupName="Style"
                      displayName="Unnecessary 'public'" cleanupTool="true"