diff --git a/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFile.java b/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFile.java
index a5d8645..df07737 100644
--- a/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFile.java
+++ b/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFile.java
@@ -100,7 +100,7 @@ public class BufferedLinearRegionFile implements io.nanachiyo0721.shiroha.data.R
     private FileChannel swapFileChannel;
 
     private final byte compressionLevel;
-    private final LinearMasterFileParser masterFileParser = new LinearMasterFileParser();
+    private final MasterFileParser masterFileParser = new MasterFileParser();
     private final CompressingOps compressingOps = new CompressingOps();
 
     // managed by VarHandles following
@@ -944,7 +944,7 @@ public class BufferedLinearRegionFile implements io.nanachiyo0721.shiroha.data.R
         }
     }
 
-    private class LinearMasterFileParser {
+    private class MasterFileParser {
         // V3 bucketed format layout:
         //   [0,  14): header — superblock(8) + version(1) + compressionLevel(1) + xxHash32Seed(4)
         //   [14, 142): position table — BUCKET_COUNT(16) × long(8) each; 0 = no data for that bucket