diff --git a/contracts/ERC223/ERC223.sol b/contracts/ERC223/ERC223.sol
deleted file mode 100644
index 2be35dd..0000000
--- a/contracts/ERC223/ERC223.sol
+++ /dev/null
@@ -1,11 +0,0 @@
-pragma solidity ^0.4.19;
-
-/**
-* @title ERC223 interface
-* @dev see https://github.com/ethereum/eips/issues/223
-*/
-contract ERC223 {
-    function transfer(address _to, uint _value, bytes _data) public returns (bool success);
-    function transfer(address _to, uint _value, bytes _data, string _fallback) public returns (bool success);
-    event Transfer(address indexed from, address indexed to, uint value, bytes data);
-}
diff --git a/contracts/ERC223/ERC223Token.sol b/contracts/ERC223/ERC223Token.sol
deleted file mode 100644
index fb45b8d..0000000
--- a/contracts/ERC223/ERC223Token.sol
+++ /dev/null
@@ -1,169 +0,0 @@
-pragma solidity ^0.4.19;
-
-import "./ERC223.sol";
-import "./ERC223TokenReceiver.sol";
-import "zeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol";
-import "zeppelin-solidity/contracts/math/SafeMath.sol";
-
-
-/**
-* @title ERC223Token
-* @dev Generic implementation for the required functionality of the ERC223 standard.
-* @dev 
-*/
-contract ERC223Token is ERC223, ERC20Basic {
-  using SafeMath for uint256;
-  
-  string public name;
-  string public symbol;
-  uint8 public decimals;
-  uint256 public totalSupply;
-  mapping(address => uint256) public balances;
-
-  /**
-  * @dev Function to access name of token.
-  * @return _name string the name of the token.
-  */
-  function name() public view returns (string _name) {
-    return name;
-  }
-    
-  /**
-  * @dev Function to access symbol of token.
-  * @return _symbol string the symbol of the token.
-  */
-  function symbol() public view returns (string _symbol) {
-    return symbol;
-  }
-    
-  /**
-  * @dev Function to access decimals of token.
-  * @return _decimals uint8 decimal point of token fractions.
-  */
-  function decimals() public view returns (uint8 _decimals) {
-    return decimals;
-  }
-  
-  /**
-  * @dev Function to access total supply of tokens.
-  * @return _totalSupply uint256 total token supply.
-  */
-  function totalSupply() public view returns (uint256 _totalSupply) {
-    return totalSupply;
-  }
-
-  /**
-  * @dev Function to access the balance of a specific address.
-  * @param _owner address the target address to get the balance from.
-  * @return _balance uint256 the balance of the target address.
-  */
-  function balanceOf(address _owner) public view returns (uint256 _balance) {
-    return balances[_owner];
-  }
-
-  /**
-  * @dev Function that is called when a user or another contract wants to transfer funds using custom fallback.
-  * @param _to address to which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  * @param _data bytes data along token transaction.
-  * @param _fallback string name of the custom fallback function to be called after transaction.
-  */
-  function transfer(address _to, uint256 _value, bytes _data, string _fallback) public returns (bool _success) {
-    if (isContract(_to)) {
-      if (balanceOf(msg.sender) < _value)
-      revert();
-      balances[msg.sender] = balanceOf(msg.sender).sub(_value);
-      balances[_to] = balanceOf(_to).add(_value);
-      
-      // Calls the custom fallback function.
-      // Will fail if not implemented, reverting transaction.
-      assert(_to.call.value(0)(bytes4(keccak256(_fallback)), msg.sender, _value, _data));
-      
-      Transfer(msg.sender, _to, _value, _data);
-      return true;
-    } else {
-      return transferToAddress(_to, _value, _data);
-    }
-  }
-
-  /**
-  * @dev Function that is called when a user or another contract wants to transfer funds using default fallback.
-  * @param _to address to which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  * @param _data bytes data along token transaction.
-  */
-  function transfer(address _to, uint256 _value, bytes _data) public returns (bool _success) {
-    if (isContract(_to)) {
-      return transferToContract(_to, _value, _data);
-    } else {
-      return transferToAddress(_to, _value, _data);
-    }
-  }
-
-  /**
-  * @dev Standard function transfer similar to ERC20 transfer with no _data.
-  * Added due to backwards compatibility reasons.
-  * @param _to address to which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  */
-  function transfer(address _to, uint256 _value) public returns (bool _success) {
-    // Adds empty bytes to fill _data param in functions
-    bytes memory empty;
-    if (isContract(_to)) {
-      return transferToContract(_to, _value, empty);
-    } else {
-      return transferToAddress(_to, _value, empty);
-    }
-  }
-
-  /**
-  * @dev Function to test whether target address is a contract.
-  * @param _addr address to be tested as a contract address or something else.
-  * @return _isContract bool true if target address is a contract false otherwise.
-  */
-  function isContract(address _addr) private view returns (bool _isContract) {
-    uint length;
-    assembly {
-      length := extcodesize(_addr)
-    }
-    return (length > 0);
-  }
-    
-  /**
-  * @dev Function that is called when transaction target is an address.
-  * @param _to address to which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  * @param _data bytes data along token transaction.
-  */
-  function transferToAddress(address _to, uint256 _value, bytes _data) private returns (bool _success) {
-    if (balanceOf(msg.sender) < _value)
-    revert();
-    balances[msg.sender] = balanceOf(msg.sender).sub(_value);
-    balances[_to] = balanceOf(_to).add(_value);
-
-    Transfer(msg.sender, _to, _value, _data);
-    return true;
-  }
-
-  /**
-  * @dev Function that is called when transaction target is a contract.
-  * @param _to address to which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  * @param _data bytes data along token transaction.
-  */
-  function transferToContract(address _to, uint256 _value, bytes _data) private returns (bool _success) {
-    if (balanceOf(msg.sender) < _value) {
-        revert();
-    }
-    balances[msg.sender] = balanceOf(msg.sender).sub(_value);
-    balances[_to] = balanceOf(_to).add(_value);
-
-    // Calls the default fallback function.
-    // Will fail if not implemented, reverting transaction.
-    ERC223TokenReceiver receiver = ERC223TokenReceiver(_to);
-    receiver.tokenFallback(msg.sender, _value, _data);
-
-    Transfer(msg.sender, _to, _value, _data);
-    return true;
-  }
-}
diff --git a/contracts/ERC223/ERC223TokenReceiver.sol b/contracts/ERC223/ERC223TokenReceiver.sol
deleted file mode 100644
index c8465f0..0000000
--- a/contracts/ERC223/ERC223TokenReceiver.sol
+++ /dev/null
@@ -1,42 +0,0 @@
-pragma solidity ^0.4.19;
-
-
-/**
- * @title ERC223 token handler
- * @dev see https://github.com/ethereum/eips/issues/223
- */
-contract ERC223TokenReceiver {
-
-  struct TKN {
-    address sender;
-    //address origin;
-    uint256 value;
-    bytes data;
-    bytes4 sig;
-  }
-
-  /**
-  * @dev Fallback function. Transaction will fail if not implemented in receiver contract.
-  * @param _from address from which the tokens are transfered.
-  * @param _value uint256 amount of tokens to be transfered.
-  * @param _data bytes data along token transaction.
-  */
-  function tokenFallback(address _from, uint256 _value, bytes _data) public pure {
-    TKN memory tkn;
-    tkn.sender = _from;
-    //tkn.origin = _from;
-    tkn.value = _value;
-    tkn.data = _data;
-    uint32 u = uint32(_data[3]) + (uint32(_data[2]) << 8) + (uint32(_data[1]) << 16) + (uint32(_data[0]) << 24);
-    tkn.sig = bytes4(u);
-    
-    /**
-    * tkn variable is analogue of msg variable of Ether transaction
-    * tkn.sender is person who initiated this token transaction   (analogue of msg.sender)
-    * tkn.value the number of tokens that were sent   (analogue of msg.value)
-    * tkn.data is data of token transaction   (analogue of msg.data)
-    * tkn.sig is 4 bytes signature of function
-    * if data of token transaction is a function execution
-    */
-  }
-}
diff --git a/contracts/FrameworkToken.sol b/contracts/FrameworkToken.sol
index fe19412..12b1fdd 100644
--- a/contracts/FrameworkToken.sol
+++ b/contracts/FrameworkToken.sol
@@ -4,9 +4,8 @@ import 'zeppelin-solidity/contracts/ownership/Contactable.sol';
 
 import 'zeppelin-solidity/contracts/token/ERC20/CappedToken.sol';
 import 'zeppelin-solidity/contracts/token/ERC20/PausableToken.sol';
-import './ERC223/ERC223Token.sol';
 
-contract FrameworkToken is CappedToken, ERC223Token, PausableToken, Contactable {
+contract FrameworkToken is CappedToken, PausableToken, Contactable {
   string public name = "Framework";
   string public symbol = "FRWK";
   uint8 public decimals = 18;
diff --git a/contracts/MembershipAccessControl.sol b/contracts/MembershipAccessControl.sol
deleted file mode 100644
index a97da30..0000000
--- a/contracts/MembershipAccessControl.sol
+++ /dev/null
@@ -1,93 +0,0 @@
-pragma solidity ^0.4.19;
-
-import 'zeppelin-solidity/contracts/ownership/rbac/Roles.sol';
-
-contract MembershipAccessControl {
-    
-    using Roles for Roles.Role;
-
-    // Memberships of each account
-    enum MembershipType {ADMIN, OWNER, MANAGER, FOUNDER, INVESTOR}
-        
-    mapping (uint => Roles.Role) private memberships;
-    
-    event MembershipAdded(address addr, MembershipType memberType);
-    event MembershipRemoved(address addr,  MembershipType memberType);
-    
-    function MembershipAccessControl() public {
-        addMembership(msg.sender, MembershipType.OWNER);
-        addMembership(msg.sender, MembershipType.ADMIN);
-    }
-    
-    /**
-      * @dev reverts if addr does not have membership
-      * @param addr address
-      * @param memberType the name of the membership
-    */
-    function checkMembership(address addr, MembershipType memberType) public canAdmin(msg.sender) {
-        memberships[uint(memberType)].check(addr);
-    }
-    
-    /**
-      * @dev determine if addr has membership
-      * @param addr address
-      * @param memberType the name of the membership
-      * @return bool
-    */
-    function hasMembership(address addr, MembershipType memberType) public canAdmin(msg.sender) returns (bool) {
-        return memberships[uint(memberType)].has(addr);
-    }
-
-    /**
-      * @dev add a membership to an address
-      * @param addr address
-      * @param memberType the name of the membership
-    */
-    function addMembership(address addr, MembershipType memberType) canAdmin(msg.sender) public {
-        addMembershipInternal(addr, memberType);
-    }
-
-    /**
-      * @dev remove a membership from an address
-      * @param addr address
-      * @param memberType the name of the membership
-    */
-    function removeMembership(address addr, MembershipType memberType) canAdmin(msg.sender) public {
-        removeMembershipInternal(addr, memberType);
-    }
-
-    /**
-      * @dev add a membership to an address
-      * @param addr address
-      * @param memberType the name of the membership
-    */
-    function addMembershipInternal(address addr, MembershipType memberType) internal {
-        memberships[uint(memberType)].add(addr);
-        MembershipAdded(addr, memberType);
-    }
-
-    /**
-      * @dev remove a membership from an address
-      * @param addr address
-      * @param memberType the name of the membership
-    */
-    function removeMembershipInternal(address addr, MembershipType memberType) internal {
-        memberships[uint(memberType)].remove(addr);
-        MembershipRemoved(addr, memberType);
-    }
-
-    /**
-      * @dev modifier to scope access to a single membership (uses msg.sender as addr)
-      * @param memberType the name of the membership
-      * // reverts
-    */
-    modifier onlyMembership(MembershipType memberType) {
-        checkMembership(msg.sender, memberType);
-        _;
-    }
-    
-    modifier canAdmin(address _address) {
-        require(hasMembership(_address, MembershipType.ADMIN));
-        _;
-    }
-}