diff --git a/Cargo.lock b/Cargo.lock
index d64377809c..33a2e1b7d0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,10 +29,10 @@ dependencies = [
  "bitflags 2.2.1",
  "cexpr",
  "clang-sys",
+ "itertools",
  "lazy_static",
  "lazycell",
  "log",
- "peeking_take_while",
  "prettyplease",
  "proc-macro2",
  "quote",
@@ -299,6 +299,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -406,12 +415,6 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
 
-[[package]]
-name = "peeking_take_while"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
-
 [[package]]
 name = "prettyplease"
 version = "0.2.7"
diff --git a/bindgen/Cargo.toml b/bindgen/Cargo.toml
index 733679a603..eafa2ce35d 100644
--- a/bindgen/Cargo.toml
+++ b/bindgen/Cargo.toml
@@ -29,10 +29,10 @@ annotate-snippets = { version = "0.9.1", features = ["color"], optional = true }
 bitflags = "2.2.1"
 cexpr = "0.6"
 clang-sys = { version = "1", features = ["clang_6_0"] }
+itertools = { version = "0.12.0", default-features = false }
 lazy_static = "1"
 lazycell = "1"
 log = { version = "0.4", optional = true }
-peeking_take_while = "0.1.2"
 prettyplease = { version = "0.2.7", optional = true, features = ["verbatim"] }
 proc-macro2 = { version = "1", default-features = false }
 quote = { version = "1", default-features = false }
diff --git a/bindgen/ir/comp.rs b/bindgen/ir/comp.rs
index 89e77e160f..a5d06fa556 100644
--- a/bindgen/ir/comp.rs
+++ b/bindgen/ir/comp.rs
@@ -1,5 +1,7 @@
 //! Compound types (unions and structs) in our intermediate representation.
 
+use itertools::Itertools;
+
 use super::analysis::Sizedness;
 use super::annotations::Annotations;
 use super::context::{BindgenContext, FunctionId, ItemId, TypeId, VarId};
@@ -15,7 +17,6 @@ use crate::ir::derive::CanDeriveCopy;
 use crate::parse::ParseError;
 use crate::HashMap;
 use crate::NonCopyUnionStyle;
-use peeking_take_while::PeekableExt;
 use std::cmp;
 use std::io;
 use std::mem;