diff --git a/bindings.h b/bindings.h
index 2a285e0..279a363 100644
--- a/bindings.h
+++ b/bindings.h
@@ -94,23 +94,18 @@ typedef struct GoApi_vtable {
   int32_t (*remove_storage)(const struct api_t*, struct U8SliceView, uint64_t*);
   int32_t (*block_number)(const struct api_t*, uint64_t*, uint64_t*);
   int32_t (*block_timestamp)(const struct api_t*, uint64_t*, int64_t*);
-  int32_t (*send)(const struct api_t*, struct U8SliceView, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
   int32_t (*min_fee_per_gas)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
   int32_t (*balance)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
   int32_t (*block_seed)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
   int32_t (*network_size)(const struct api_t*, uint64_t*, uint64_t*);
   int32_t (*burn)(const struct api_t*, struct U8SliceView, uint64_t*);
   int32_t (*epoch)(const struct api_t*, uint64_t*, uint16_t*);
-  int32_t (*contract_stake)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
-  int32_t (*move_to_stake)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
-  int32_t (*delegatee)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
   int32_t (*identity)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
   int32_t (*caller)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
   int32_t (*original_caller)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
   int32_t (*deduct_balance)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
   int32_t (*add_balance)(const struct api_t*, struct U8SliceView, struct U8SliceView, uint64_t*);
   int32_t (*contract)(const struct api_t*, uint64_t*, struct UnmanagedVector*);
-  int32_t (*contract_code)(const struct api_t*, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
   int32_t (*call)(const struct api_t*, struct U8SliceView, struct U8SliceView, struct U8SliceView, struct U8SliceView, struct U8SliceView, uint64_t, uint64_t*, struct UnmanagedVector*);
   int32_t (*deploy)(const struct api_t*, struct U8SliceView, struct U8SliceView, struct U8SliceView, struct U8SliceView, uint64_t, uint64_t*, struct UnmanagedVector*);
   int32_t (*contract_addr)(const struct api_t*, struct U8SliceView, struct U8SliceView, struct U8SliceView, uint64_t*, struct UnmanagedVector*);
diff --git a/src/backend.rs b/src/backend.rs
index 7bcea5a..f8cae64 100644
--- a/src/backend.rs
+++ b/src/backend.rs
@@ -55,7 +55,6 @@ pub trait Backend: Copy + Clone + Send {
     fn deduct_balance(&self, amount: IDNA) -> BackendResult<()>;
     fn add_balance(&self, to: Address, amount: IDNA) ->u64;
     fn own_addr(&self) -> BackendResult<Address>;
-    fn contract_code(&self, contract: Address) -> BackendResult<Vec<u8>>;
     fn contract_addr(&self, code:  &[u8], args: &[u8], nonce: &[u8]) -> BackendResult<Address>;
     fn deploy(&self, code : &[u8], args: &[u8], nonce: &[u8], amount: &[u8], gas_limit: u64) -> BackendResult<ActionResult>;
     fn contract_addr_by_hash(&self, hash:  &[u8], args: &[u8], nonce: &[u8]) -> BackendResult<Address>;
@@ -162,10 +161,6 @@ impl Backend for MockBackend {
         todo!()
     }
 
-    fn contract_code(&self, contract: Address) -> BackendResult<Vec<u8>> {
-        todo!()
-    }
-
     fn contract_addr(&self, code: &[u8], args: &[u8], nonce: &[u8]) -> BackendResult<Address> {
         todo!()
     }
diff --git a/src/exports.rs b/src/exports.rs
index c8ea773..d690a46 100644
--- a/src/exports.rs
+++ b/src/exports.rs
@@ -54,13 +54,6 @@ pub struct GoApi_vtable {
         *mut u64,
         *mut i64, // result output
     ) -> i32,
-    pub send: extern "C" fn(
-        *const api_t,
-        U8SliceView, // to
-        U8SliceView, // amount
-        *mut u64,
-        *mut UnmanagedVector, // error
-    ) -> i32,
     pub min_fee_per_gas: extern "C" fn(
         *const api_t,
         *mut u64,
@@ -91,24 +84,6 @@ pub struct GoApi_vtable {
         *mut u64,
         *mut u16,
     ) -> i32,
-    pub contract_stake: extern "C" fn(
-        *const api_t,
-        U8SliceView, // addr
-        *mut u64,
-        *mut UnmanagedVector, // result
-    ) -> i32,
-    pub move_to_stake: extern "C" fn(
-        *const api_t,
-        U8SliceView, // amount
-        *mut u64,
-        *mut UnmanagedVector, // output error
-    ) -> i32,
-    pub delegatee: extern "C" fn(
-        *const api_t,
-        U8SliceView, // addr
-        *mut u64,
-        *mut UnmanagedVector, // result
-    ) -> i32,
     pub identity: extern "C" fn(
         *const api_t,
         U8SliceView, // addr
@@ -142,12 +117,6 @@ pub struct GoApi_vtable {
         *mut u64,
         *mut UnmanagedVector, // result
     ) -> i32,
-    pub contract_code: extern "C" fn(
-        *const api_t,
-        U8SliceView, // addr
-        *mut u64,
-        *mut UnmanagedVector, // result
-    ) -> i32,
     pub call: extern "C" fn(
         *const api_t,
         U8SliceView, // addr
@@ -578,18 +547,6 @@ impl Backend for apiWrapper {
         (Ok(d), used_gas)
     }
 
-    fn contract_code(&self, contract: Address) -> BackendResult<Vec<u8>> {
-        let mut used_gas = 0_u64;
-        let mut data = UnmanagedVector::default();
-        let go_result = (self.api.vtable.contract_code)(self.api.state, U8SliceView::new(Some(&contract)), &mut used_gas as *mut u64, &mut data as *mut UnmanagedVector);
-        check_go_result!(go_result, used_gas, "contract_code");
-        let d = match data.consume() {
-            Some(v) => v,
-            None => Vec::new()
-        };
-        (Ok(d), used_gas)
-    }
-
     fn contract_addr(&self, code: &[u8], args: &[u8], nonce: &[u8]) -> BackendResult<Address> {
         let mut used_gas = 0_u64;
         let mut data = UnmanagedVector::default();