diff --git a/src/iceberg-structs/namespace.rs b/src/iceberg-structs/namespace.rs
deleted file mode 100644
index 012849f..0000000
--- a/src/iceberg-structs/namespace.rs
+++ /dev/null
@@ -1,95 +0,0 @@
-
-
-use async_trait::async_trait;
-use serde_derive::{Deserialize, Serialize};
-use std::collections::HashMap;
-use std::fmt::Debug;
-use std::mem::take;
-use std::ops::Deref;
-use typed_builder::TypedBuilder;
-use urlencoding::encode;
-use uuid::Uuid;
-
-/// NamespaceIdent represents the identifier of a namespace in the catalog.
-///
-/// The namespace identifier is a list of strings, where each string is a
-/// component of the namespace. It's catalog implementer's responsibility to
-/// handle the namespace identifier correctly.
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
-pub struct NamespaceIdent(Vec<String>);
-
-impl NamespaceIdent {
-    /// Create a new namespace identifier with only one level.
-    pub fn new(name: String) -> Self {
-        Self(vec![name])
-    }
-
-    /// Create a multi-level namespace identifier from vector.
-    pub fn from_vec(names: Vec<String>) -> Result<Self> {
-        if names.is_empty() {
-            return Err(Error::new(
-                ErrorKind::DataInvalid,
-                "Namespace identifier can't be empty!",
-            ));
-        }
-        Ok(Self(names))
-    }
-
-    /// Try to create namespace identifier from an iterator of string.
-    pub fn from_strs(iter: impl IntoIterator<Item = impl ToString>) -> Result<Self> {
-        Self::from_vec(iter.into_iter().map(|s| s.to_string()).collect())
-    }
-
-    /// Returns url encoded format.
-    pub fn encode_in_url(&self) -> String {
-        encode(&self.as_ref().join("\u{1F}")).to_string()
-    }
-
-    /// Returns inner strings.
-    pub fn inner(self) -> Vec<String> {
-        self.0
-    }
-}
-
-impl AsRef<Vec<String>> for NamespaceIdent {
-    fn as_ref(&self) -> &Vec<String> {
-        &self.0
-    }
-}
-
-impl Deref for NamespaceIdent {
-    type Target = [String];
-
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-/// Namespace represents a namespace in the catalog.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct Namespace {
-    name: NamespaceIdent,
-    properties: HashMap<String, String>,
-}
-
-impl Namespace {
-    /// Create a new namespace.
-    pub fn new(name: NamespaceIdent) -> Self {
-        Self::with_properties(name, HashMap::default())
-    }
-
-    /// Create a new namespace with properties.
-    pub fn with_properties(name: NamespaceIdent, properties: HashMap<String, String>) -> Self {
-        Self { name, properties }
-    }
-
-    /// Get the name of the namespace.
-    pub fn name(&self) -> &NamespaceIdent {
-        &self.name
-    }
-
-    /// Get the properties of the namespace.
-    pub fn properties(&self) -> &HashMap<String, String> {
-        &self.properties
-    }
-}
\ No newline at end of file