diff --git a/Makefile b/Makefile
index adbbb15069..6154a0cfd7 100644
--- a/Makefile
+++ b/Makefile
@@ -2,16 +2,16 @@
 # with Go source code. If you know what GOPATH is then you probably
 # don't need to bother with make.
 
-.PHONY: geth android ios evm all test clean
+.PHONY: geth android ios evm all test clean mina
 
 GOBIN = ./build/bin
 GO ?= latest
 GORUN = env GO111MODULE=on go run
 
-mina_lib:
+mina:
 	cd mina && cargo build --release
 
-geth: mina_lib
+geth: mina
 	$(GORUN) build/ci.go install ./cmd/geth
 	@echo "Done building."
 	@echo "Run \"$(GOBIN)/geth\" to launch geth."
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index 46dd813d03..9c17e64379 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -114,7 +114,7 @@ var (
 	PrecompiledAddressesIstanbul  []common.Address
 	PrecompiledAddressesByzantium []common.Address
 	PrecompiledAddressesHomestead []common.Address
-	PrecompiledAddressesMina	  []common.Address
+	PrecompiledAddressesMina      []common.Address
 )
 
 func init() {
diff --git a/core/vm/mina_contracts.go b/core/vm/mina_contracts.go
index 80225be77e..1e5123afaf 100644
--- a/core/vm/mina_contracts.go
+++ b/core/vm/mina_contracts.go
@@ -34,8 +34,8 @@ func (c *MinaPoseidon) Run(input []byte) ([]byte, error) {
 	calldata := input[4:]
 
 	unpacked, err := (abi.Arguments{{
-		Type: sol_uint8},		// networkId
-		{Type: sol_bytes32Arr},	// fields
+		Type: sol_uint8}, // networkId
+		{Type: sol_bytes32Arr}, // fields
 	}).Unpack(calldata)
 
 	if err != nil {
@@ -51,7 +51,7 @@ func (c *MinaPoseidon) Run(input []byte) ([]byte, error) {
 
 	output_buffer := [32]byte{}
 
-	if !C.poseidon_hash(
+	if !C.poseidon(
 		C.uint8_t(networkId),
 		(*C.uint8_t)(&fields[0][0]),
 		C.uintptr_t(len(fields)),
@@ -80,12 +80,12 @@ func (c *MinaSigner) Run(input []byte) ([]byte, error) {
 	calldata := input[4:]
 
 	unpacked, err := (abi.Arguments{
-		{Type: sol_uint8},		// networkId
-		{Type: sol_bytes32},	// pubKeyX
-		{Type: sol_bytes32},	// pubKeyY
-		{Type: sol_bytes32},	// signatureRX
-		{Type: sol_bytes32},	// signatureS
-		{Type: sol_bytes32Arr},	// fields
+		{Type: sol_uint8},      // networkId
+		{Type: sol_bytes32},    // pubKeyX
+		{Type: sol_bytes32},    // pubKeyY
+		{Type: sol_bytes32},    // signatureRX
+		{Type: sol_bytes32},    // signatureS
+		{Type: sol_bytes32Arr}, // fields
 	}).Unpack(calldata)
 
 	if err != nil {
diff --git a/mina/src/lib.rs b/mina/src/lib.rs
index 41e38d1f29..ac60efa1d7 100644
--- a/mina/src/lib.rs
+++ b/mina/src/lib.rs
@@ -3,14 +3,13 @@ mod mina;
 use std::array::TryFromSliceError;
 
 use mina::{Message, NetworkId};
-use mina_hasher::Hashable;
 use mina_signer::{BaseField, CurvePoint, PubKey, ScalarField, Signature};
 use o1_utils::FieldHelpers;
 
 pub const FIELD_SIZE: usize = 32;
 
 #[no_mangle]
-pub extern "C" fn poseidon_hash(
+pub extern "C" fn poseidon(
     network_id: u8,
     field_ptr: *const u8,
     field_len: usize,
@@ -99,8 +98,6 @@ pub extern "C" fn verify(
         Err(_) => return false,
     };
 
-    println!("{:?}", msg.to_roinput().to_fields()[0].to_biguint());
-
     let result = mina::verify(&signature, &pubkey, &msg, network_id);
 
     unsafe { *output_ptr = result };