diff --git a/incoming/yasuoka/testfile b/incoming/yasuoka/testfile
deleted file mode 100644
index 491549dfd3c38ed98a56e7d466ada0b13df61208..0000000000000000000000000000000000000000
--- a/incoming/yasuoka/testfile
+++ /dev/null
@@ -1 +0,0 @@
-This is test.
diff --git a/incoming/yasuoka/testfile2 b/incoming/yasuoka/testfile2
deleted file mode 100644
index 491549dfd3c38ed98a56e7d466ada0b13df61208..0000000000000000000000000000000000000000
--- a/incoming/yasuoka/testfile2
+++ /dev/null
@@ -1 +0,0 @@
-This is test.
diff --git a/incoming/yasuoka/testfile3 b/incoming/yasuoka/testfile3
deleted file mode 100644
index 491549dfd3c38ed98a56e7d466ada0b13df61208..0000000000000000000000000000000000000000
--- a/incoming/yasuoka/testfile3
+++ /dev/null
@@ -1 +0,0 @@
-This is test.