diff --git a/Cargo.toml b/Cargo.toml
index a9bfa0a..ffdb380 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,6 @@ __test_data = []
 [dependencies]
 ahash = "0.6.1"
 smartstring = "0.2.5"
-thiserror = "1.0.22"
 
 [dev-dependencies]
 bencher = "0.1.5"
diff --git a/src/lib.rs b/src/lib.rs
index 584e1a2..b5df6bb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,11 +1,8 @@
-use std::io;
-use std::num::ParseIntError;
 use std::ops::{Index, Range};
 use std::str;
 
 use ahash::AHashMap as HashMap;
 use smartstring::alias::String;
-use thiserror::Error;
 
 #[cfg(feature = "__test_data")]
 pub mod test_data;
@@ -186,22 +183,6 @@ impl Index<Range<usize>> for Ascii {
     }
 }
 
-#[derive(Debug, Error)]
-pub enum ParseError {
-    #[error("I/O error: {0}")]
-    Io(#[from] io::Error),
-    #[error("integer parsing error: {0}")]
-    ParseInt(#[from] ParseIntError),
-    #[error("{0}")]
-    String(String),
-}
-
-impl From<std::string::String> for ParseError {
-    fn from(s: std::string::String) -> Self {
-        ParseError::String(s.into())
-    }
-}
-
 const DEFAULT_LIMIT: usize = 24;
 const DEFAULT_TOTAL: f64 = 1_024_908_267_229.0;
 const SEGMENT_SIZE: usize = 250;