diff --git a/src/conversion.rs b/src/conversion.rs
index ebf661bf..1f4bf4e4 100644
--- a/src/conversion.rs
+++ b/src/conversion.rs
@@ -1,4 +1,3 @@
-use libc::c_char;
 use std;
 use ffi;
 use python::{Python, PythonObject, PythonObjectWithCheckedDowncast, ToPythonPointer};
diff --git a/src/err.rs b/src/err.rs
index 6fa3a9a0..d1b5e275 100644
--- a/src/err.rs
+++ b/src/err.rs
@@ -239,16 +239,6 @@ pub unsafe fn result_cast_from_owned_ptr<'p, T>(py : Python<'p>, p : *mut ffi::P
     }
 }
 
-/// Returns Ok if the error code is 0.
-#[inline]
-pub fn error_on_nonzero(py : Python, result : libc::c_int) -> PyResult<()> {
-    if result == 0 {
-        Ok(())
-    } else {
-        Err(PyErr::fetch(py))
-    }
-}
-
 /// Returns Ok if the error code is not -1.
 #[inline]
 pub fn error_on_minusone(py : Python, result : libc::c_int) -> PyResult<()> {
diff --git a/src/lib.rs b/src/lib.rs
index 1002e3d2..0b0a5762 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 #![feature(optin_builtin_traits)] // for opting out of Sync/Send
 #![feature(slice_patterns)] // for tuple_conversion macros
 #![feature(utf8_error)] // for translating Utf8Error to python exception
-#![allow(unused_imports, dead_code, unused_variables)]
+#![allow(unused_imports, unused_variables)]
 
 //! Rust bindings to the python interpreter.
 //!
diff --git a/src/objectprotocol.rs b/src/objectprotocol.rs
index 92fdcd2f..06eaf851 100644
--- a/src/objectprotocol.rs
+++ b/src/objectprotocol.rs
@@ -9,12 +9,6 @@ use objects::{PyObject, PyTuple, PyDict};
 use conversion::ToPyObject;
 use err::{PyErr, PyResult, result_from_owned_ptr, error_on_minusone};
 
-// Workaround because .as_ptr() doesn't work for associated types
-#[inline]
-fn as_ptr<O>(obj: &O) -> *mut ffi::PyObject where O: ToPythonPointer {
-    obj.as_ptr()
-}
-
 pub trait ObjectProtocol<'p> : PythonObject<'p> {
     /// Determines whether this object has the given attribute.
     /// This is equivalent to the Python expression 'hasattr(self, attr_name)'.
diff --git a/src/objects/dict.rs b/src/objects/dict.rs
index 821be24d..84c8ae20 100644
--- a/src/objects/dict.rs
+++ b/src/objects/dict.rs
@@ -7,7 +7,7 @@ use err::{self, PyResult};
 pyobject_newtype!(PyDict, PyDict_Check, PyDict_Type);
 
 impl <'p> PyDict<'p> {
-    fn new(py: Python<'p>) -> PyDict<'p> {
+    pub fn new(py: Python<'p>) -> PyDict<'p> {
         unimplemented!()
     }
 }
diff --git a/src/objects/string.rs b/src/objects/string.rs
index 8db0c21d..4489a14c 100644
--- a/src/objects/string.rs
+++ b/src/objects/string.rs
@@ -104,19 +104,6 @@ impl <'p, 's> FromPyObject<'p, 's> for String {
     }
 }
 
-fn string_as_slice<'a, 'p>(s: &'a PyObject<'p>) -> PyResult<'p, &'a [u8]> {
-    unsafe {
-        let mut buffer : *mut c_char = std::mem::uninitialized();
-        let mut length : ffi::Py_ssize_t = std::mem::uninitialized();
-        if ffi::PyString_AsStringAndSize(s.as_ptr(), &mut buffer, &mut length) == 1 {
-            Err(PyErr::fetch(s.python()))
-        } else {
-            Ok(std::slice::from_raw_parts(buffer as *const u8, length as usize))
-        }
-    }
-}
-
-
 #[test]
 fn test_non_bmp() {
     let gil = Python::acquire_gil();
diff --git a/src/python.rs b/src/python.rs
index 258f8601..4e4186d8 100644
--- a/src/python.rs
+++ b/src/python.rs
@@ -1,11 +1,9 @@
 use std;
 use std::marker::PhantomData;
-use std::ptr;
 use ffi;
 use objects::{PyObject, PyType, PyBool, PyModule};
 use err::PyResult;
 use pythonrun::GILGuard;
-use std::ffi::CStr;
 
 // Dummy struct representing the global state in the python interpreter.
 struct PythonInterpreterState;
diff --git a/src/pythonrun.rs b/src/pythonrun.rs
index e8b2144e..bcc41f48 100644
--- a/src/pythonrun.rs
+++ b/src/pythonrun.rs
@@ -1,5 +1,4 @@
 use std::sync::{Once, ONCE_INIT};
-use std::thread::Thread;
 use ffi;
 use python::Python;