diff --git a/crates/uv-auth/src/lib.rs b/crates/uv-auth/src/lib.rs
index 71cd6025a8bb..81fd0aeb85f4 100644
--- a/crates/uv-auth/src/lib.rs
+++ b/crates/uv-auth/src/lib.rs
@@ -10,7 +10,6 @@ pub use keyring::KeyringProvider;
 pub use middleware::AuthMiddleware;
 use netloc::NetLoc;
 use once_cell::sync::Lazy;
-use url::Url;
 
 // TODO(zanieb): Consider passing a cache explicitly throughout
 
@@ -18,10 +17,3 @@ use url::Url;
 ///
 /// This is used to share credentials across uv clients.
 pub(crate) static CREDENTIALS_CACHE: Lazy<CredentialsCache> = Lazy::new(CredentialsCache::default);
-
-/// Populate the global authentication store with credentials on a URL, if there are any.
-///
-/// Returns `true` if the store was updated.
-pub fn store_credentials_from_url(_url: &Url) -> bool {
-    true
-}
diff --git a/crates/uv/src/commands/pip_compile.rs b/crates/uv/src/commands/pip_compile.rs
index 6def5e78ac6d..8d3d5847df20 100644
--- a/crates/uv/src/commands/pip_compile.rs
+++ b/crates/uv/src/commands/pip_compile.rs
@@ -17,7 +17,6 @@ use tracing::debug;
 use distribution_types::{IndexLocations, LocalEditable, LocalEditables, Verbatim};
 use platform_tags::Tags;
 use requirements_txt::EditableRequirement;
-use uv_auth::store_credentials_from_url;
 use uv_cache::Cache;
 use uv_client::{BaseClientBuilder, Connectivity, FlatIndexClient, RegistryClientBuilder};
 use uv_configuration::KeyringProviderType;
@@ -211,11 +210,6 @@ pub(crate) async fn pip_compile(
     let index_locations =
         index_locations.combine(index_url, extra_index_urls, find_links, no_index);
 
-    // Add all authenticated sources to the store.
-    for url in index_locations.urls() {
-        store_credentials_from_url(url);
-    }
-
     // Initialize the registry client.
     let client = RegistryClientBuilder::new(cache.clone())
         .native_tls(native_tls)
diff --git a/crates/uv/src/commands/pip_install.rs b/crates/uv/src/commands/pip_install.rs
index acbc3efd1b6c..db24b28d1b10 100644
--- a/crates/uv/src/commands/pip_install.rs
+++ b/crates/uv/src/commands/pip_install.rs
@@ -19,7 +19,6 @@ use pep508_rs::{MarkerEnvironment, Requirement};
 use platform_tags::Tags;
 use pypi_types::{Metadata23, Yanked};
 use requirements_txt::EditableRequirement;
-use uv_auth::store_credentials_from_url;
 use uv_cache::Cache;
 use uv_client::{
     BaseClientBuilder, Connectivity, FlatIndexClient, RegistryClient, RegistryClientBuilder,
@@ -204,11 +203,6 @@ pub(crate) async fn pip_install(
     let index_locations =
         index_locations.combine(index_url, extra_index_urls, find_links, no_index);
 
-    // Add all authenticated sources to the store.
-    for url in index_locations.urls() {
-        store_credentials_from_url(url);
-    }
-
     // Initialize the registry client.
     let client = RegistryClientBuilder::new(cache.clone())
         .native_tls(native_tls)
diff --git a/crates/uv/src/commands/pip_sync.rs b/crates/uv/src/commands/pip_sync.rs
index aa01947825e0..e4d0d9ecf747 100644
--- a/crates/uv/src/commands/pip_sync.rs
+++ b/crates/uv/src/commands/pip_sync.rs
@@ -14,7 +14,6 @@ use install_wheel_rs::linker::LinkMode;
 use platform_tags::Tags;
 use pypi_types::Yanked;
 use requirements_txt::EditableRequirement;
-use uv_auth::store_credentials_from_url;
 use uv_cache::{ArchiveTarget, ArchiveTimestamp, Cache};
 use uv_client::{
     BaseClientBuilder, Connectivity, FlatIndexClient, RegistryClient, RegistryClientBuilder,
@@ -151,11 +150,6 @@ pub(crate) async fn pip_sync(
     let index_locations =
         index_locations.combine(index_url, extra_index_urls, find_links, no_index);
 
-    // Add all authenticated sources to the store.
-    for url in index_locations.urls() {
-        store_credentials_from_url(url);
-    }
-
     // Initialize the registry client.
     let client = RegistryClientBuilder::new(cache.clone())
         .native_tls(native_tls)
diff --git a/crates/uv/src/commands/venv.rs b/crates/uv/src/commands/venv.rs
index 6f2e6b15eaea..e228807cdbd1 100644
--- a/crates/uv/src/commands/venv.rs
+++ b/crates/uv/src/commands/venv.rs
@@ -13,7 +13,6 @@ use thiserror::Error;
 
 use distribution_types::{DistributionMetadata, IndexLocations, Name, ResolvedDist};
 use pep508_rs::Requirement;
-use uv_auth::store_credentials_from_url;
 use uv_cache::Cache;
 use uv_client::{Connectivity, FlatIndexClient, RegistryClientBuilder};
 use uv_configuration::KeyringProviderType;
@@ -144,11 +143,6 @@ async fn venv_impl(
         // Extract the interpreter.
         let interpreter = venv.interpreter();
 
-        // Add all authenticated sources to the store.
-        for url in index_locations.urls() {
-            store_credentials_from_url(url);
-        }
-
         // Instantiate a client.
         let client = RegistryClientBuilder::new(cache.clone())
             .native_tls(native_tls)