diff --git a/crypto/keccak/keccak.go b/crypto/keccak/keccak.go
index 79487509fb..4372790d07 100644
--- a/crypto/keccak/keccak.go
+++ b/crypto/keccak/keccak.go
@@ -17,4 +17,4 @@ var _ KeccakState = (*Hasher)(nil)
 
 func NewFastKeccak() *Hasher {
 	return &Hasher{}
-}
\ No newline at end of file
+}
diff --git a/crypto/keccak/keccak_asm.go b/crypto/keccak/keccak_asm.go
index 4cf52233e2..00c015f591 100644
--- a/crypto/keccak/keccak_asm.go
+++ b/crypto/keccak/keccak_asm.go
@@ -130,4 +130,4 @@ func xorIn(state *[200]byte, data []byte) {
 	for i := n << 3; i < len(data); i++ {
 		state[i] ^= data[i]
 	}
-}
\ No newline at end of file
+}
diff --git a/crypto/keccak/keccakf_amd64.go b/crypto/keccak/keccakf_amd64.go
index c34e3acd65..fee6f73aeb 100644
--- a/crypto/keccak/keccakf_amd64.go
+++ b/crypto/keccak/keccakf_amd64.go
@@ -16,4 +16,4 @@ type Hasher struct{ sponge }
 func xorAndPermute(state *[200]byte, buf *byte) {
 	xorIn(state, unsafe.Slice(buf, rate))
 	keccakF1600(state)
-}
\ No newline at end of file
+}