diff --git a/fine-poi/src/main/java/com/fr/third/v2/org/apache/poi/openxml4j/opc/internal/PackagePropertiesPart.java b/fine-poi/src/main/java/com/fr/third/v2/org/apache/poi/openxml4j/opc/internal/PackagePropertiesPart.java
index 37f448678..28305a38f 100644
--- a/fine-poi/src/main/java/com/fr/third/v2/org/apache/poi/openxml4j/opc/internal/PackagePropertiesPart.java
+++ b/fine-poi/src/main/java/com/fr/third/v2/org/apache/poi/openxml4j/opc/internal/PackagePropertiesPart.java
@@ -36,7 +36,6 @@ import com.fr.third.v2.org.apache.poi.openxml4j.opc.PackagePart;
 import com.fr.third.v2.org.apache.poi.openxml4j.opc.PackagePartName;
 import com.fr.third.v2.org.apache.poi.openxml4j.opc.PackageProperties;
 import com.fr.third.v2.org.apache.poi.util.LocaleUtil;
-import com.sun.istack.internal.Nullable;
 
 /**
  * Represents the core properties part of a package.