diff --git a/src/sawyercoding.h b/src/sawyercoding.h
index f62bf82301..38916cf1c3 100644
--- a/src/sawyercoding.h
+++ b/src/sawyercoding.h
@@ -38,6 +38,5 @@ enum {
 
 int sawyercoding_validate_checksum(FILE *file);
 int sawyercoding_read_chunk(FILE *file, uint8 *buffer);
-int sawyercoding_read_chunk_variable(FILE *file, uint8 **buffer);
 
 #endif