diff --git a/tanabata/lib/database.c b/tanabata/lib/database.c
index 7b55d93..4ccea6a 100644
--- a/tanabata/lib/database.c
+++ b/tanabata/lib/database.c
@@ -40,10 +40,9 @@ int tanabata_weed(Tanabata *tanabata) {
     uint64_t hole_cnt = 0;
     uint64_t new_id;
     Kazari *current_kazari;
-    struct stat st;
     Sasa *current_sasa = tanabata->sasahyou.database;
     for (uint64_t i = 0; i < tanabata->sasahyou.size; i++) {
-        if (current_sasa->id != HOLE_ID && stat(current_sasa->path, &st) == 0) {
+        if (current_sasa->id != HOLE_ID) {
             if (hole_cnt > 0) {
                 new_id = current_sasa->id - hole_cnt;
                 for (current_kazari = tanabata->shoppyou.database + tanabata->shoppyou.size - 1;
diff --git a/tanabata/lib/sasa.c b/tanabata/lib/sasa.c
index afe3c8c..736991e 100644
--- a/tanabata/lib/sasa.c
+++ b/tanabata/lib/sasa.c
@@ -8,19 +8,14 @@ int tanabata_sasa_add(Tanabata *tanabata, const char *path) {
     if (path == NULL || tanabata->sasahyou.size == -1 && tanabata->sasahyou.hole_cnt == 0) {
         return 1;
     }
-    char *abspath = NULL;
-    abspath = realpath(path, abspath);
-    if (abspath == NULL) {
-        return 1;
-    }
     Sasa *current_sasa = tanabata->sasahyou.database;
     for (uint64_t i = 0; i < tanabata->sasahyou.size; i++) {
-        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, abspath) == 0) {
+        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, path) == 0) {
             return 1;
         }
         current_sasa++;
     }
-    return sasa_add(&tanabata->sasahyou, abspath);
+    return sasa_add(&tanabata->sasahyou, path);
 }
 
 int tanabata_sasa_rem_by_id(Tanabata *tanabata, uint64_t sasa_id) {
@@ -38,14 +33,9 @@ int tanabata_sasa_rem_by_path(Tanabata *tanabata, const char *path) {
     if (tanabata->sasahyou.size == 0 || path == NULL) {
         return 1;
     }
-    char *abspath = NULL;
-    abspath = realpath(path, abspath);
-    if (abspath == NULL) {
-        return 1;
-    }
     Sasa *current_sasa = tanabata->sasahyou.database;
     for (uint64_t i = 0; i < tanabata->sasahyou.size; i++) {
-        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, abspath) == 0) {
+        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, path) == 0) {
             if (sasa_rem(&tanabata->sasahyou, current_sasa->id) == 0 &&
                 kazari_rem_by_sasa(&tanabata->shoppyou, current_sasa->id) == 0) {
                 return 0;
@@ -58,18 +48,7 @@ int tanabata_sasa_rem_by_path(Tanabata *tanabata, const char *path) {
 }
 
 int tanabata_sasa_upd(Tanabata *tanabata, uint64_t sasa_id, const char *path) {
-    if (sasa_id == HOLE_ID || sasa_id >= tanabata->sasahyou.size) {
-        return 1;
-    }
-    if (path == NULL) {
-        return 0;
-    }
-    char *abspath = NULL;
-    abspath = realpath(path, abspath);
-    if (abspath == NULL) {
-        return 1;
-    }
-    return sasa_upd(&tanabata->sasahyou, sasa_id, abspath);
+    return sasa_upd(&tanabata->sasahyou, sasa_id, path);
 }
 
 Sasa tanabata_sasa_get_by_id(Tanabata *tanabata, uint64_t sasa_id) {
@@ -83,14 +62,9 @@ Sasa tanabata_sasa_get_by_path(Tanabata *tanabata, const char *path) {
     if (path == NULL) {
         return HOLE_SASA;
     }
-    char *abspath = NULL;
-    abspath = realpath(path, abspath);
-    if (abspath == NULL) {
-        return HOLE_SASA;
-    }
     Sasa *current_sasa = tanabata->sasahyou.database;
     for (uint64_t i = 0; i < tanabata->sasahyou.size; i++) {
-        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, abspath) == 0) {
+        if (current_sasa->id != HOLE_ID && strcmp(current_sasa->path, path) == 0) {
             return *current_sasa;
         }
         current_sasa++;