diff --git a/sk1/compressor.h b/sk1/compressor.h
index 754fd88..2c5fa15 100644
--- a/sk1/compressor.h
+++ b/sk1/compressor.h
@@ -1,25 +1,18 @@
+#ifndef COMPRESSOR_H
+#define COMPRESSOR_H
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef COMPRESSOR_H
-#define COMPRESSOR_H
-
-
-
 int compress_1(const char* input_file_name, const char* output_file_name);
-
 int decompress_1(const char* input_file_name, const char* output_file_name);
-
 int compress_2(const char* input_file_name, const char* output_file_name);
-
 int decompress_2(const char* input_file_name, const char* output_file_name);
 
 unsigned char* read_file(const char* file_name, size_t* size);
-
 int write_file(const char* file_name, const unsigned char* buffer, size_t size);
 
-
 typedef struct HuffmanNode {
     unsigned char symbol;
     size_t frequency;
@@ -28,11 +21,9 @@ typedef struct HuffmanNode {
 } HuffmanNode;
 
 HuffmanNode* build_huffman_tree(const unsigned char* data, size_t size);
-
 void generate_huffman_codes(HuffmanNode* root, char** codes, char* buffer, int depth);
-
 void free_huffman_tree(HuffmanNode* root);
-
+void serialize_tree(HuffmanNode* root, FILE* file);
 HuffmanNode* deserialize_tree(FILE* file);
 
-#endif
\ No newline at end of file
+#endif