diff --git a/binding_work.gyp b/binding_work.gyp
deleted file mode 100644
index d5c71b20..00000000
--- a/binding_work.gyp
+++ /dev/null
@@ -1,91 +0,0 @@
-{
-  'targets': [{
-    'target_name': 'bitcoindjs',
-    'include_dirs' : [
-      # standard include:
-      # '/usr/include',
-      '<!(node -e "require(\'nan\')")',
-      '/usr/include/boost',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/leveldb/include',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src',
-    ],
-    # 'includes': [
-    #   './include.gypi',
-    # ],
-    # 'variables': {
-    #   'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-    #   'BOOST_HAS_NANOSLEEP': '0',
-    # },
-    'conditions': [
-      ['OS=="linux"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/linux.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['OS=="darwin"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/macos.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['OS!="linux" && OS!="darwin"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '0',
-        },
-      }],
-      ['BOOST_VERSION>=105000 && (BOOST_HAS_NANOSLEEP==0 || BOOST_VERSION>=105200)', {
-        'variables': {
-          'BOOST_SLEEP': 'HAVE_WORKING_BOOST_SLEEP_FOR',
-        },
-        #'defines': [
-        #  'HAVE_WORKING_BOOST_SLEEP_FOR',
-        #  # Assume libbitcoind.so is always
-        #  # compiled with wallet support.
-        #  'ENABLE_WALLET',
-        #],
-      }, { # !(BOOST_VERSION>=105000) ...
-        'variables': {
-          'BOOST_SLEEP': 'HAVE_WORKING_BOOST_SLEEP',
-        },
-        #'defines': [
-        #  'HAVE_WORKING_BOOST_SLEEP',
-        #  # Assume libbitcoind.so is always
-        #  # compiled with wallet support.
-        #  'ENABLE_WALLET',
-        #],
-      }],
-    ],
-    'sources': [
-      './src/bitcoindjs.cc',
-    ],
-    'defines': [
-      # TODO: Figure out how to detect BOOST_SLEEP in gyp.
-      # 'HAVE_WORKING_BOOST_SLEEP',
-      '<(BOOST_SLEEP)',
-      # Assume libbitcoind.so is always
-      # compiled with wallet support.
-      'ENABLE_WALLET',
-    ],
-    'conditions': [
-    ],
-    'cflags_cc': [
-      '-fexceptions',
-      '-frtti',
-    ],
-    'libraries': [
-      # standard libs:
-      # '-L/usr/lib',
-      # '-L/usr/local/lib',
-      # boost:
-      '-lboost_system',
-      '-lboost_filesystem',
-      '-lboost_program_options',
-      '-lboost_thread',
-      '-lboost_chrono',
-      # bitcoind:
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/libbitcoind.so',
-    ]
-  }]
-}
diff --git a/binding_work2.gyp b/binding_work2.gyp
deleted file mode 100644
index 8c6a012e..00000000
--- a/binding_work2.gyp
+++ /dev/null
@@ -1,66 +0,0 @@
-{
-  'targets': [{
-    'target_name': 'bitcoindjs',
-    'include_dirs' : [
-      # standard include:
-      # '/usr/include',
-      '<!(node -e "require(\'nan\')")',
-      '/usr/include/boost',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/leveldb/include',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src',
-    ],
-    'variables': {
-      'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-      'BOOST_HAS_NANOSLEEP': '0',
-    },
-    'conditions': [
-      ['OS=="linux"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/linux.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['OS=="darwin"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/macos.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['BOOST_VERSION >= 105000 && (BOOST_HAS_NANOSLEEP == 0 || BOOST_VERSION >= 105200)', {
-        'defines': [
-          'HAVE_WORKING_BOOST_SLEEP_FOR',
-        ],
-      }, { # !(BOOST_VERSION>=105000) ...
-        'defines': [
-          'HAVE_WORKING_BOOST_SLEEP',
-        ],
-      }],
-    ],
-    'sources': [
-      './src/bitcoindjs.cc',
-    ],
-    'defines': [
-      # Assume libbitcoind.so is always
-      # compiled with wallet support.
-      '<!(test $(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }") -gt 105200 && echo HAVE_WORKING_BOOST_SLEEP_FOR || echo HAVE_WORKING_BOOST_SLEEP)',
-      'ENABLE_WALLET',
-    ],
-    'cflags_cc': [
-      '-fexceptions',
-      '-frtti',
-    ],
-    'libraries': [
-      # standard libs:
-      # '-L/usr/lib',
-      # '-L/usr/local/lib',
-      # boost:
-      '-lboost_system',
-      '-lboost_filesystem',
-      '-lboost_program_options',
-      '-lboost_thread',
-      '-lboost_chrono',
-      # bitcoind:
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/libbitcoind.so',
-    ]
-  }]
-}
diff --git a/binding_work3.gyp b/binding_work3.gyp
deleted file mode 100644
index e2fada69..00000000
--- a/binding_work3.gyp
+++ /dev/null
@@ -1,66 +0,0 @@
-{
-  'targets': [{
-    'target_name': 'bitcoindjs',
-    'include_dirs' : [
-      # standard include:
-      # '/usr/include',
-      '<!(node -e "require(\'nan\')")',
-      '/usr/include/boost',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/leveldb/include',
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src',
-    ],
-    'variables': {
-      'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-      'BOOST_HAS_NANOSLEEP': '0',
-    },
-    'conditions': [
-      ['OS=="linux"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/linux.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['OS=="darwin"', {
-        'variables': {
-          'BOOST_VERSION': '<!(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }")',
-          'BOOST_HAS_NANOSLEEP': '<!(grep -q "#define \+BOOST_HAS_NANOSLEEP" /usr/include/boost/config/platform/macos.hpp && echo 1 || echo 0)',
-        },
-      }],
-      ['BOOST_VERSION >= 105000 && (BOOST_HAS_NANOSLEEP == 0 || BOOST_VERSION >= 105200)', {
-        'defines': [
-          'HAVE_WORKING_BOOST_SLEEP_FOR',
-        ],
-      }, { # !(BOOST_VERSION>=105000) ...
-        'defines': [
-          'HAVE_WORKING_BOOST_SLEEP',
-        ],
-      }],
-    ],
-    'sources': [
-      './src/bitcoindjs.cc',
-    ],
-    'defines': [
-      '<!(test $(grep "#define BOOST_VERSION " /usr/include/boost/version.hpp | awk "{ print \$3 }") -gt 105200 && echo HAVE_WORKING_BOOST_SLEEP_FOR || echo HAVE_WORKING_BOOST_SLEEP)',
-      # Assume libbitcoind.so is always
-      # compiled with wallet support.
-      'ENABLE_WALLET',
-    ],
-    'cflags_cc': [
-      '-fexceptions',
-      '-frtti',
-    ],
-    'libraries': [
-      # standard libs:
-      # '-L/usr/lib',
-      # '-L/usr/local/lib',
-      # boost:
-      '-lboost_system',
-      '-lboost_filesystem',
-      '-lboost_program_options',
-      '-lboost_thread',
-      '-lboost_chrono',
-      # bitcoind:
-      '<!(test -n "$BITCOIN_DIR" && echo "$BITCOIN_DIR" || echo "${HOME}/bitcoin")/src/libbitcoind.so',
-    ]
-  }]
-}