diff --git a/secconf/chain.go b/secconf/chain.go
deleted file mode 100644
index 720cfa5..0000000
--- a/secconf/chain.go
+++ /dev/null
@@ -1,19 +0,0 @@
-package secconf
-
-// gip => encrypt => base64
-func StandardChainEncode(encrypt CodecFunc) Codec {
-	return CodecFuncChain([]CodecFunc{
-		EncoderGZip,
-		encrypt,
-		EncoderBase64,
-	})
-}
-
-// base64 => decrypt => gzip
-func StandardChainDecode(decrypt CodecFunc) Codec {
-	return CodecFuncChain([]CodecFunc{
-		DecoderBase64,
-		decrypt,
-		DecoderGZip,
-	})
-}
diff --git a/secconf/codec.go b/secconf/codec.go
index 64df8d8..9a7877d 100644
--- a/secconf/codec.go
+++ b/secconf/codec.go
@@ -20,3 +20,21 @@ func (c CodecFuncChain) Apply(data []byte) (out []byte, err error) {
 type CodecFunc func(data []byte) ([]byte, error)
 
 func (f CodecFunc) Apply(data []byte) ([]byte, error) { return f(data) }
+
+// gip => encrypt => base64
+func StandardChainEncode(encrypt CodecFunc) Codec {
+	return CodecFuncChain([]CodecFunc{
+		EncoderGZip,
+		encrypt,
+		EncoderBase64,
+	})
+}
+
+// base64 => decrypt => gzip
+func StandardChainDecode(decrypt CodecFunc) Codec {
+	return CodecFuncChain([]CodecFunc{
+		DecoderBase64,
+		decrypt,
+		DecoderGZip,
+	})
+}