diff --git a/ext/exif/exif.c b/ext/exif/exif.c
index a44e4232507..e89d74d9e92 100644
--- a/ext/exif/exif.c
+++ b/ext/exif/exif.c
@@ -2085,10 +2085,12 @@ static inline zend_bool exif_offset_info_contains(
 	return start >= info->valid_start && end <= info->valid_end;
 }
 
+#ifdef EXIF_DEBUG 
 static inline int exif_offset_info_length(const exif_offset_info *info)
 {
 	return info->valid_end - info->valid_start;
 }
+#endif
 
 /* {{{ exif_file_sections_add
  Add a file_section to image_info