diff --git a/src/Compression/CompressionCodecGCD.cpp b/src/Compression/CompressionCodecGCD.cpp
index bc4ef818862..b299c0eb945 100644
--- a/src/Compression/CompressionCodecGCD.cpp
+++ b/src/Compression/CompressionCodecGCD.cpp
@@ -75,7 +75,6 @@ namespace ErrorCodes
 {
     extern const int CANNOT_COMPRESS;
     extern const int CANNOT_DECOMPRESS;
-    extern const int ILLEGAL_CODEC_PARAMETER;
     extern const int BAD_ARGUMENTS;
     extern const int ILLEGAL_SYNTAX_FOR_CODEC_TYPE;
 }