diff --git a/bbs/delete.php b/bbs/delete.php
index 9d38fda5e..b2df50c36 100644
--- a/bbs/delete.php
+++ b/bbs/delete.php
@@ -79,8 +79,22 @@ while ($row = sql_fetch_array($result))
         // 업로드된 파일이 있다면 파일삭제
         $sql2 = " select * from {$g4['board_file_table']} where bo_table = '$bo_table' and wr_id = '{$row['wr_id']}' ";
         $result2 = sql_query($sql2);
-        while ($row2 = sql_fetch_array($result2))
+        while ($row2 = sql_fetch_array($result2)) {
             @unlink(G4_DATA_PATH.'/file/'.$bo_table.'/'.$row2['bf_file']);
+            // 썸네일삭제
+            $dir = G4_DATA_PATH.'/file/'.$bo_table;
+            if($dh = opendir($dir)) {
+                while(($file = readdir($dh)) !== false) {
+                    if($file == "." || $file == "..")
+                        continue;
+
+                    $filename = preg_replace("/\.[^\.]+$/i", "", $row2['bf_file']);
+                    if(strstr($file, $filename) && strpos($file, $filename) != 0) {
+                        @unlink($dir.'/'.$file);
+                    }
+                }
+            }
+        }
 
         // 파일테이블 행 삭제
         sql_query(" delete from {$g4['board_file_table']} where bo_table = '$bo_table' and wr_id = '{$row['wr_id']}' ");
@@ -121,7 +135,5 @@ if ($count_write > 0 || $count_comment > 0)
 
 @include_once($board_skin_path.'/delete.tail.skin.php');
 
-delete_cache_latest($bo_table);
-
 goto_url('./board.php?bo_table='.$bo_table.'&page='.$page.$qstr);
 ?>
diff --git a/bbs/delete_all.php b/bbs/delete_all.php
index 06ae7bfbf..de4d0905e 100644
--- a/bbs/delete_all.php
+++ b/bbs/delete_all.php
@@ -90,10 +90,25 @@ for ($i=count($tmp_array)-1; $i>=0; $i--)
             // 업로드된 파일이 있다면
             $sql2 = " select * from {$g4['board_file_table']} where bo_table = '$bo_table' and wr_id = '{$row['wr_id']}' ";
             $result2 = sql_query($sql2);
-            while ($row2 = sql_fetch_array($result2))
+            while ($row2 = sql_fetch_array($result2)) {
                 // 파일삭제
                 @unlink(G4_DATA_PATH.'/file/'.$bo_table.'/'.$row2['bf_file']);
 
+                // 썸네일삭제
+                $dir = G4_DATA_PATH.'/file/'.$bo_table;
+                if($dh = opendir($dir)) {
+                    while(($file = readdir($dh)) !== false) {
+                        if($file == "." || $file == "..")
+                            continue;
+
+                        $filename = preg_replace("/\.[^\.]+$/i", "", $row2['bf_file']);
+                        if(strstr($file, $filename) && strpos($file, $filename) != 0) {
+                            @unlink($dir.'/'.$file);
+                        }
+                    }
+                }
+            }
+
             // 파일테이블 행 삭제
             sql_query(" delete from {$g4['board_file_table']} where bo_table = '$bo_table' and wr_id = '{$row['wr_id']}' ");