diff --git a/nfq2/helpers.c b/nfq2/helpers.c
index 5da62da..2b7adb7 100644
--- a/nfq2/helpers.c
+++ b/nfq2/helpers.c
@@ -427,11 +427,6 @@ bool file_size(const char *filename, off_t *size)
 	if (size) *size = st.st_size;
 	return true;
 }
-time_t file_mod_time(const char *filename)
-{
-	struct stat st;
-	return stat(filename, &st) == -1 ? 0 : st.st_mtime;
-}
 bool file_mod_signature(const char *filename, file_mod_sig *ms)
 {
 	struct stat st;
diff --git a/nfq2/helpers.h b/nfq2/helpers.h
index 05d9cc8..725ab49 100644
--- a/nfq2/helpers.h
+++ b/nfq2/helpers.h
@@ -88,7 +88,6 @@ typedef struct
 #define FILE_MOD_COMPARE(ms1,ms2) (((ms1)->mod_time==(ms2)->mod_time) && ((ms1)->size==(ms2)->size))
 #define FILE_MOD_RESET(ms) memset(ms,0,sizeof(file_mod_sig))
 bool file_mod_signature(const char *filename, file_mod_sig *ms);
-time_t file_mod_time(const char *filename);
 bool file_size(const char *filename, off_t *size);
 bool file_open_test(const char *filename, int flags);