diff --git a/vm/src/builtins/int.rs b/vm/src/builtins/int.rs
index bb3bd62c80..e4fa788716 100644
--- a/vm/src/builtins/int.rs
+++ b/vm/src/builtins/int.rs
@@ -80,7 +80,7 @@ macro_rules! impl_into_pyobject_int {
 
 impl_into_pyobject_int!(isize i8 i16 i32 i64 usize u8 u16 u32 u64 BigInt);
 
-pub fn try_to_primitive<'a, I>(i: &'a BigInt, vm: &VirtualMachine) -> PyResult<I>
+pub(crate) fn try_to_primitive<'a, I>(i: &'a BigInt, vm: &VirtualMachine) -> PyResult<I>
 where
     I: PrimInt + TryFrom<&'a BigInt>,
 {
@@ -302,6 +302,13 @@ impl PyInt {
             })
     }
 
+    pub fn try_to_primitive<'a, I>(&'a self, vm: &VirtualMachine) -> PyResult<I>
+    where
+        I: PrimInt + TryFrom<&'a BigInt>,
+    {
+        try_to_primitive(self.as_bigint(), vm)
+    }
+
     #[inline]
     fn int_op<F>(&self, other: PyObjectRef, op: F, vm: &VirtualMachine) -> PyArithmaticValue<BigInt>
     where
diff --git a/vm/src/stdlib/io.rs b/vm/src/stdlib/io.rs
index e7c565f782..99b398f4c2 100644
--- a/vm/src/stdlib/io.rs
+++ b/vm/src/stdlib/io.rs
@@ -53,7 +53,7 @@ impl TryFromObject for Fildes {
                     .map_err(|_| vm.new_type_error("fileno() returned a non-integer".to_owned()))?
             }
         };
-        let fd = int::try_to_primitive(int.as_bigint(), vm)?;
+        let fd = int.try_to_primitive(vm)?;
         if fd < 0 {
             return Err(vm.new_value_error(format!(
                 "file descriptor cannot be a negative integer ({})",
@@ -2883,7 +2883,7 @@ mod _io {
                     ))
                 })?;
                 let flags = flags.payload::<int::PyInt>().ok_or_else(state_err)?;
-                let flags = int::try_to_primitive(flags.as_bigint(), vm)?;
+                let flags = flags.try_to_primitive(vm)?;
                 Ok((buf, flags))
             }
             _ => Err(state_err()),
@@ -3846,7 +3846,7 @@ mod fileio {
                 }
                 fd
             } else if let Some(i) = name.payload::<crate::builtins::PyInt>() {
-                crate::builtins::int::try_to_primitive(i.as_bigint(), vm)?
+                i.try_to_primitive(vm)?
             } else {
                 let path = os::PyPathLike::try_from_object(vm, name.clone())?;
                 if !args.closefd {
diff --git a/vm/src/stdlib/operator.rs b/vm/src/stdlib/operator.rs
index 0c815a0cea..3586c50022 100644
--- a/vm/src/stdlib/operator.rs
+++ b/vm/src/stdlib/operator.rs
@@ -11,7 +11,7 @@ pub(crate) use _operator::make_module;
 mod _operator {
     use crate::common::cmp;
     use crate::{
-        builtins::{int, PyInt, PyIntRef, PyStrRef, PyTypeRef},
+        builtins::{PyInt, PyIntRef, PyStrRef, PyTypeRef},
         byteslike::ArgBytesLike,
         function::{FuncArgs, KwArgs, OptionalArg},
         iterator,
@@ -283,7 +283,7 @@ mod _operator {
                         v.class().name()
                     )));
                 }
-                int::try_to_primitive(v.payload::<PyInt>().unwrap().as_bigint(), vm)
+                v.payload::<PyInt>().unwrap().try_to_primitive(vm)
             })
             .unwrap_or(Ok(0))?;
         iterator::length_hint(vm, obj).map(|v| vm.ctx.new_int(v.unwrap_or(default)))
diff --git a/vm/src/stdlib/os.rs b/vm/src/stdlib/os.rs
index e4f1435a8a..3d21b59fa9 100644
--- a/vm/src/stdlib/os.rs
+++ b/vm/src/stdlib/os.rs
@@ -1,7 +1,7 @@
 use super::errno::errors;
 use crate::crt_fd::Fd;
 use crate::{
-    builtins::{int, PyBytes, PyBytesRef, PySet, PyStr, PyStrRef},
+    builtins::{PyBytes, PyBytesRef, PyInt, PySet, PyStr, PyStrRef},
     exceptions::{IntoPyException, PyBaseExceptionRef},
     function::{ArgumentError, FromArgs, FuncArgs},
     protocol::PyBuffer,
@@ -208,8 +208,8 @@ pub(crate) enum PathOrFd {
 
 impl TryFromObject for PathOrFd {
     fn try_from_object(vm: &VirtualMachine, obj: PyObjectRef) -> PyResult<Self> {
-        match obj.downcast::<int::PyInt>() {
-            Ok(int) => int::try_to_primitive(int.as_bigint(), vm).map(Self::Fd),
+        match obj.downcast::<PyInt>() {
+            Ok(int) => int.try_to_primitive(vm).map(Self::Fd),
             Err(obj) => PyPathLike::try_from_object(vm, obj).map(Self::Path),
         }
     }
@@ -334,7 +334,7 @@ impl<const AVAILABLE: usize> FromArgs for DirFd<AVAILABLE> {
                         o.class().name()
                     )))
                 })?;
-                let fd = int::try_to_primitive(fd.as_bigint(), vm)?;
+                let fd = fd.try_to_primitive(vm)?;
                 Fd(fd)
             }
         };
@@ -368,10 +368,10 @@ pub(super) mod _os {
         errno_err, DirFd, FollowSymlinks, FsPath, OutputMode, PathOrFd, PyPathLike, SupportFunc,
     };
     use crate::common::lock::{OnceCell, PyRwLock};
-    use crate::crt_fd::{Fd, Offset};
     use crate::{
-        builtins::{int, PyBytesRef, PyStrRef, PyTuple, PyTupleRef, PyTypeRef},
+        builtins::{PyBytesRef, PyStrRef, PyTuple, PyTupleRef, PyTypeRef},
         byteslike::ArgBytesLike,
+        crt_fd::{Fd, Offset},
         exceptions::IntoPyException,
         function::{FuncArgs, OptionalArg},
         slots::{IteratorIterable, PyIter},
@@ -1302,8 +1302,8 @@ pub(super) mod _os {
                                     divmod.class().name()
                                 ))
                             })?;
-                    let secs = int::try_to_primitive(vm.to_index(&div)?.as_bigint(), vm)?;
-                    let ns = int::try_to_primitive(vm.to_index(&rem)?.as_bigint(), vm)?;
+                    let secs = vm.to_index(&div)?.try_to_primitive(vm)?;
+                    let ns = vm.to_index(&rem)?.try_to_primitive(vm)?;
                     Ok(Duration::new(secs, ns))
                 };
                 // TODO: do validation to make sure this doesn't.. underflow?
diff --git a/vm/src/stdlib/posix.rs b/vm/src/stdlib/posix.rs
index 94d218a2d6..b1927c7228 100644
--- a/vm/src/stdlib/posix.rs
+++ b/vm/src/stdlib/posix.rs
@@ -30,7 +30,7 @@ pub(crate) fn make_module(vm: &VirtualMachine) -> PyObjectRef {
 #[pymodule(name = "posix")]
 pub mod module {
     use crate::{
-        builtins::{int, PyDictRef, PyInt, PyListRef, PyStrRef, PyTupleRef, PyTypeRef},
+        builtins::{PyDictRef, PyInt, PyListRef, PyStrRef, PyTupleRef, PyTypeRef},
         exceptions::IntoPyException,
         function::OptionalArg,
         slots::SlotConstructor,
@@ -483,13 +483,13 @@ pub mod module {
             use crate::TypeProtocol;
             let priority = self.sched_priority.clone();
             let priority_type = priority.class().name();
-            let value = priority.downcast::<int::PyInt>().map_err(|_| {
+            let value = priority.downcast::<PyInt>().map_err(|_| {
                 vm.new_type_error(format!(
                     "an integer is required (got type {})",
                     priority_type
                 ))
             })?;
-            let sched_priority = int::try_to_primitive(value.as_bigint(), vm)?;
+            let sched_priority = value.try_to_primitive(vm)?;
             Ok(libc::sched_param { sched_priority })
         }
     }
@@ -1472,7 +1472,7 @@ pub mod module {
     impl TryFromObject for ConfName {
         fn try_from_object(vm: &VirtualMachine, obj: PyObjectRef) -> PyResult<Self> {
             let i = match obj.downcast::<PyInt>() {
-                Ok(int) => int::try_to_primitive(int.as_bigint(), vm)?,
+                Ok(int) => int.try_to_primitive(vm)?,
                 Err(obj) => {
                     let s = PyStrRef::try_from_object(vm, obj)?;
                     s.as_str().parse::<PathconfVar>().map_err(|_| {
diff --git a/vm/src/stdlib/pystruct.rs b/vm/src/stdlib/pystruct.rs
index 2c023ea17e..2a512b398b 100644
--- a/vm/src/stdlib/pystruct.rs
+++ b/vm/src/stdlib/pystruct.rs
@@ -13,8 +13,8 @@
 pub(crate) mod _struct {
     use crate::{
         builtins::{
-            bytes::PyBytesRef, float, int::try_to_primitive, pybool::IntoPyBool, pystr::PyStr,
-            pystr::PyStrRef, pytype::PyTypeRef, tuple::PyTupleRef,
+            bytes::PyBytesRef, float, pybool::IntoPyBool, pystr::PyStr, pystr::PyStrRef,
+            pytype::PyTypeRef, tuple::PyTupleRef,
         },
         byteslike::{ArgBytesLike, ArgMemoryBuffer},
         common::str::wchar_t,
@@ -461,7 +461,7 @@ pub(crate) mod _struct {
         T: PrimInt + for<'a> std::convert::TryFrom<&'a BigInt>,
     {
         match vm.to_index_opt(arg) {
-            Some(index) => try_to_primitive(index?.as_bigint(), vm),
+            Some(index) => index?.try_to_primitive(vm),
             None => Err(new_struct_error(
                 vm,
                 "required argument is not an integer".to_owned(),
diff --git a/vm/src/stdlib/socket.rs b/vm/src/stdlib/socket.rs
index 0a79468cc0..49be291cd6 100644
--- a/vm/src/stdlib/socket.rs
+++ b/vm/src/stdlib/socket.rs
@@ -1,6 +1,6 @@
 use crate::common::lock::{PyMappedRwLockReadGuard, PyRwLock, PyRwLockReadGuard};
 use crate::{
-    builtins::{int, PyStrRef, PyTupleRef, PyTypeRef},
+    builtins::{PyStrRef, PyTupleRef, PyTypeRef},
     byteslike::{ArgBytesLike, ArgMemoryBuffer},
     exceptions::{IntoPyException, PyBaseExceptionRef},
     function::{FuncArgs, OptionalArg, OptionalOption},
@@ -67,7 +67,8 @@ fn get_raw_sock(obj: PyObjectRef, vm: &VirtualMachine) -> PyResult<RawSocket> {
     let int = vm
         .to_index_opt(obj)
         .unwrap_or_else(|| Err(vm.new_type_error("an integer is required".to_owned())))?;
-    int::try_to_primitive::<CastFrom>(int.as_bigint(), vm).map(|sock| sock as RawSocket)
+    int.try_to_primitive::<CastFrom>(vm)
+        .map(|sock| sock as RawSocket)
 }
 
 #[cfg(unix)]
@@ -707,7 +708,7 @@ impl PySocket {
                 let int = vm.to_index_opt(arg2).unwrap_or_else(|| {
                     Err(vm.new_type_error("an integer is required".to_owned()))
                 })?;
-                let flags = int::try_to_primitive::<i32>(int.as_bigint(), vm)?;
+                let flags = int.try_to_primitive::<i32>(vm)?;
                 (flags, arg3)
             }
             OptionalArg::Missing => (0, arg2),
diff --git a/vm/src/stdlib/termios.rs b/vm/src/stdlib/termios.rs
index e889cc492f..2e28922459 100644
--- a/vm/src/stdlib/termios.rs
+++ b/vm/src/stdlib/termios.rs
@@ -3,7 +3,7 @@ pub(crate) use self::termios::make_module;
 #[pymodule]
 mod termios {
     use crate::{
-        builtins::{int, PyBytes, PyInt, PyListRef, PyTypeRef},
+        builtins::{PyBytes, PyInt, PyListRef, PyTypeRef},
         exceptions::PyBaseExceptionRef,
         IntoPyObject, PyObjectRef, PyResult, TryFromObject, VirtualMachine,
     };
@@ -79,7 +79,7 @@ mod termios {
                 *cc = if let Some(c) = x.payload::<PyBytes>().filter(|b| b.as_bytes().len() == 1) {
                     c.as_bytes()[0] as _
                 } else if let Some(i) = x.payload::<PyInt>() {
-                    int::try_to_primitive(i.as_bigint(), vm)?
+                    i.try_to_primitive(vm)?
                 } else {
                     return Err(vm.new_type_error(
                         "tcsetattr: elements of attributes must be characters or integers"