diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
deleted file mode 100644
index dee73277..00000000
--- a/.idea/deploymentTargetDropDown.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <runningDeviceTargetSelectedWithDropDown>
-      <Target>
-        <type value="RUNNING_DEVICE_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="SERIAL_NUMBER" />
-            <value value="ZY227DCBHN" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </runningDeviceTargetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2024-01-17T02:08:31.103838700Z" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentAdapter.java b/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentAdapter.java
index 592fa3d7..975802f1 100644
--- a/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentAdapter.java
+++ b/feature/library/src/main/java/one/nem/lacerta/feature/library/DocumentAdapter.java
@@ -22,7 +22,7 @@ public class DocumentAdapter extends RecyclerView.Adapter<DocumentAdapter.Docume
 
     //documentMetas アダプターが表示するデータ
     public DocumentAdapter(ArrayList<ListItem> documentMetas) {
-        // nullの場合でも例外を発生させないよう修正
+        // nullの場合でも例外を発生させない
         this.documentMetas = documentMetas != null ? documentMetas : new ArrayList<>();
     }