diff --git a/src/tiff/tiffread.c b/src/tiff/tiffread.c
index c9b2ed8..5a31722 100644
--- a/src/tiff/tiffread.c
+++ b/src/tiff/tiffread.c
@@ -18,17 +18,7 @@
 #define IS_TIFF_EXTENSION(EXT)                                                 \
   (strncmp(EXT, ".tif", 4) == 0 || strncmp(EXT, ".tiff", 5) == 0)
 
-#define NULL_TIFF_HEADER ((TiffHdr){0})
-#define IS_NULL_HEADER(HDR) (HDR.order == 0)
-
-#define NULL_TIFF_IFD ((TiffIFD){0})
-#define IS_NULL_IFD(IFD) (IFD.count == 0)
-
-#define NULL_TIFF_IMAGE ((TiffImage){0})
-#define IS_NULL_IMAGE(IMG) (IMG.type == TIFF_IMAGE_TYPE_INVALID)
-
 #define NULL_TIFF_ALPHA ((TiffAlpha){0})
-#define IS_NULL_ALPHA(ALPHA) (ALPHA.type == ALPHA_TYPE_UNDEFINED)
 
 #define INVALID_SAMPLE_COUNT 0
 #define INVALID_ROWS_PER_STRIP 0
@@ -134,7 +124,6 @@ READ_BASELINE_RETURN_IMG:
 }
 
 internal bool read_tiff_header(TiffReader *reader) {
-  reader->header = NULL_TIFF_HEADER;
   fread_with_offset(reader->fp, &(reader->header), sizeof(TiffHdr), 0);
 
   switch (reader->header.order) {
@@ -164,7 +153,6 @@ internal bool read_tiff_header(TiffReader *reader) {
 }
 
 internal bool read_ifd(TiffReader *reader, Arena *arena) {
-  reader->ifd = NULL_TIFF_IFD;
   fread_with_offset(reader->fp, &(reader->ifd.count), sizeof(reader->ifd.count),
                     reader->header.first_ifd_offset);
 
@@ -197,7 +185,6 @@ internal bool read_ifd(TiffReader *reader, Arena *arena) {
 }
 
 internal bool read_ifd_fields(TiffReader *reader) {
-  reader->img = NULL_TIFF_IMAGE;
   reader->img.type = TIFF_IMAGE_TYPE_BILEVEL;
 
   for (u64 i = 0; i < reader->ifd.count; ++i) {