diff --git a/win32/file.c b/win32/file.c
index 5c34bd42b4..d92cec6a44 100644
--- a/win32/file.c
+++ b/win32/file.c
@@ -37,8 +37,6 @@ IS_ABSOLUTE_PATH_P(const WCHAR *path, size_t len)
 #define INVALID_CODE_PAGE 51932
 #define PATH_BUFFER_SIZE MAX_PATH * 2
 
-#define insecure_obj_p(obj, level) ((level) > 0 && OBJ_TAINTED(obj))
-
 /* defined in win32/win32.c */
 #define system_code_page rb_w32_filecp
 #define mbstr_to_wstr rb_w32_mbstr_to_wstr
@@ -288,10 +286,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     wchar_t path_drive = L'\0', dir_drive = L'\0';
     int ignore_dir = 0;
     rb_encoding *path_encoding;
-    int tainted = 0;
-
-    /* tainted if path is tainted */
-    tainted = OBJ_TAINTED(path);
 
     /* get path encoding */
     if (NIL_P(dir)) {
@@ -328,9 +322,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     /* expand '~' only if NOT rb_file_absolute_path() where `abs_mode` is 1 */
     if (abs_mode == 0 && wpath_len > 0 && wpath_pos[0] == L'~' &&
 	(wpath_len == 1 || IS_DIR_SEPARATOR_P(wpath_pos[1]))) {
-	/* tainted if expanding '~' */
-	tainted = 1;
-
 	whome = rb_w32_home_dir();
 	if (whome == NULL) {
 	    free(wpath);
@@ -409,9 +400,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
 
 	if (abs_mode == 0 && wdir_len > 0 && wdir_pos[0] == L'~' &&
 	    (wdir_len == 1 || IS_DIR_SEPARATOR_P(wdir_pos[1]))) {
-	    /* tainted if expanding '~' */
-	    tainted = 1;
-
 	    whome = rb_w32_home_dir();
 	    if (whome == NULL) {
 		free(wpath);
@@ -516,10 +504,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     }
 
     if (wdir_len) {
-	/* tainted if dir is used and dir is tainted */
-	if (!tainted && OBJ_TAINTED(dir))
-	    tainted = 1;
-
 	wcsncpy(buffer_pos, wdir_pos, wdir_len);
 	buffer_pos += wdir_len;
     }
@@ -545,10 +529,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     /* Ensure buffer is NULL terminated */
     buffer_pos[0] = L'\0';
 
-    /* tainted if path is relative */
-    if (!tainted && !IS_ABSOLUTE_PATH_P(buffer, buffer_len))
-	tainted = 1;
-
     /* FIXME: Make this more robust */
     /* Determine require buffer size */
     size = GetFullPathNameW(buffer, PATH_BUFFER_SIZE, wfullpath_buffer, NULL);
@@ -591,10 +571,6 @@ rb_file_expand_path_internal(VALUE fname, VALUE dname, int abs_mode, int long_na
     rb_str_set_len(result, 0);
     result = append_wstr(result, wfullpath, size, path_cp, path_encoding);
 
-    /* makes the result object tainted if expanding tainted strings or returning modified path */
-    if (tainted)
-	OBJ_TAINT(result);
-
     /* TODO: better cleanup */
     if (buffer)
 	xfree(buffer);