diff --git a/src/ffi/pyframe.rs b/src/ffi/pyframe.rs
index 007cbf759bf..e3c72268c62 100644
--- a/src/ffi/pyframe.rs
+++ b/src/ffi/pyframe.rs
@@ -8,5 +8,4 @@ opaque_struct!(PyFrameObject);
 extern "C" {
     pub fn PyFrame_GetLineNumber(f: *mut PyFrameObject) -> c_int;
 }
-// skipped PyFrame_GetLineNumber
 // skipped PyFrame_GetCode
diff --git a/src/ffi/pyhash.rs b/src/ffi/pyhash.rs
index d233c326799..4e015c371f4 100644
--- a/src/ffi/pyhash.rs
+++ b/src/ffi/pyhash.rs
@@ -1,6 +1,18 @@
 use crate::ffi::pyport::{Py_hash_t, Py_ssize_t};
-use std::os::raw::{c_char, c_int, c_void};
+use std::os::raw::{c_char, c_int, c_ulong, c_void};
 
+// skipped non-limited _Py_HashDouble
+// skipped non-limited _Py_HashPointer
+// skipped non-limited _Py_HashPointerRaw
+// skipped non-limited _Py_HashBytes
+
+pub const _PyHASH_MULTIPLIER: c_ulong = 1000003;
+
+// skipped _PyHASH_BITS
+
+// skipped non-limited _Py_HashSecret_t
+
+#[cfg(not(Py_LIMITED_API))]
 #[repr(C)]
 #[derive(Copy, Clone)]
 pub struct PyHash_FuncDef {
@@ -22,3 +34,11 @@ extern "C" {
     #[cfg(not(PyPy))]
     pub fn _Py_HashBytes(src: *const c_void, len: Py_ssize_t) -> Py_hash_t;
 }
+
+// skipped Py_HASH_CUTOFF
+
+pub const Py_HASH_EXTERNAL: c_int = 0;
+pub const Py_HASH_SIPHASH24: c_int = 1;
+pub const Py_HASH_FNV: c_int = 2;
+
+// skipped Py_HASH_ALGORITHM