diff --git a/x/did/types/coins.go b/x/did/types/coins.go
deleted file mode 100644
index f5e03ab09..000000000
--- a/x/did/types/coins.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package types
-
-// Coin represents a cryptocurrency
-type Coin interface {
-	// FormatAddress formats a public key into an address
-	FormatAddress(pubKey []byte) (string, error)
-
-	// GetIndex returns the coin type index
-	GetIndex() int64
-
-	// GetPath returns the coin component path
-	GetPath() uint32
-
-	// GetSymbol returns the coin symbol
-	GetSymbol() string
-
-	// GetMethod returns the coin DID method
-	GetMethod() string
-
-	// GetName returns the coin name
-	GetName() string
-}
-
-// CoinBTCType is the coin type for BTC
-const CoinBTCType = int64(0)
-
-// CoinETHType is the coin type for ETH
-const CoinETHType = int64(60)
-
-// CoinSNRType is the coin type for SNR
-const CoinSNRType = int64(703)