diff --git a/src/libfileis.c b/src/libfileis.c
deleted file mode 100644
index fe68730..0000000
--- a/src/libfileis.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2023 DTB <trinity@trinity.moe>
- * SPDX-License-Identifier: AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Affero General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option) any
- * later version.
- * 
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
- * details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see https://www.gnu.org/licenses/.
- */
-
-#include "libfileis.h"
-
-#include <unistd.h> /* access(3), F_OK, R_OK, W_OK, X_OK */
-
-int f_executable(char *path){	return access(path, X_OK) == 0; } /* test -x */
-int f_exists(char *path){	return access(path, F_OK) == 0; } /* test -e */
-int f_readable(char *path){	return access(path, R_OK) == 0; } /* test -r */
-int f_writeable(char *path){	return access(path, W_OK) == 0; } /* test -w */
-
-#include <sys/stat.h> /* lstat(3), struct stat, S_ISBLK, S_ISCHR, S_ISDIR,
-                       * S_ISFIFO, S_ISGID, S_ISREG, S_ISLNK, S_ISSOCK,
-                       * S_ISUID, S_ISVTX */
-
-static struct stat buf;
-
-int f_blockspecial(char *path){ /* test -b */
-	return lstat(path, &buf) != -1 && S_ISBLK(buf.st_mode);
-}
-int f_charspecial(char *path){ /* test -c */
-	return lstat(path, &buf) != -1 && S_ISCHR(buf.st_mode);
-}
-int f_directory(char *path){ /* test -d */
-	return lstat(path, &buf) != -1 && S_ISDIR(buf.st_mode);
-}
-int f_fifospecial(char *path){ /* test -p */
-	return lstat(path, &buf) != -1 && S_ISFIFO(buf.st_mode);
-}
-int f_gid(char *path){ /* test -g */
-	return lstat(path, &buf) != -1 && (buf.st_mode & S_ISGID);
-}
-int f_regular(char *path){ /* test -f */
-	return lstat(path, &buf) != -1 && S_ISREG(buf.st_mode);
-}
-int f_socket(char *path){ /* test -S */
-	return lstat(path, &buf) != -1 && S_ISSOCK(buf.st_mode);
-}
-int f_sticky(char *path){ /* test -k */
-	return lstat(path, &buf) != -1 && (buf.st_mode & S_ISVTX);
-}
-int f_symlink(char *path){ /* test -h; test -L */
-	return lstat(path, &buf) != -1 && S_ISLNK(buf.st_mode);
-}
-int f_uid(char *path){ /* test -u */
-	return lstat(path, &buf) != -1 && (buf.st_mode & S_ISUID);
-}
diff --git a/src/libfileis.h b/src/libfileis.h
deleted file mode 100644
index 0b77cc7..0000000
--- a/src/libfileis.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2023 DTB <trinity@trinity.moe>
- * SPDX-License-Identifier: AGPL-3.0-or-later
- *
- * This program is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Affero General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option) any
- * later version.
- * 
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
- * details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see https://www.gnu.org/licenses/.
- */
-
-/* libfileis functions return true if the condition is true and false if the
- * condition is false. Returned values are 0 or 1 only. */
-
-/* True if file exists and is a block special file. */
-	int f_blockspecial(char *path);
-
-/* True if file exists and is a character special file. */
-	int f_charspecial(char *path);
-
-/* True if file exists and is a directory. */
-	int f_directory(char *path);
-
-/* True if file exists and is executable. */
-	int f_executable(char *path);
-
-/* True if file exists (regardless of type). */
-	int f_exists(char *path);
-
-/* True if file exists and is a named pipe (FIFO). */
-	int f_fifospecial(char *path);
-
-/* True if file exists and its set group ID flag is set. */
-	int f_gid(char *path);
-
-/* True if file exists and is readable. */
-	int f_readable(char *path);
-
-/* True if file exists and is a regular file. */
-	int f_regular(char *path);
-
-/* True if file exists and is a socket. */
-	int f_socket(char *path);
-
-/* True if file exists and its sticky bit is set. */
-	int f_sticky(char *path);
-
-/* True if file exists and is a symbolic link. */
-	int f_symlink(char *path);
-
-/* True if file exists and its set user ID flag is set. */
-	int f_uid(char *path);
-
-/* True if file exists and is writeable. */
-	int f_writeable(char *path);