diff --git a/crates/extension_host/src/anthropic_migration.rs b/crates/extension_host/src/anthropic_migration.rs
deleted file mode 100644
index 71d8cc07ac7c672eb84958b8a067c57233aae3e0..0000000000000000000000000000000000000000
--- a/crates/extension_host/src/anthropic_migration.rs
+++ /dev/null
@@ -1,124 +0,0 @@
-use credentials_provider::CredentialsProvider;
-use gpui::App;
-
-const ANTHROPIC_EXTENSION_ID: &str = "anthropic";
-const ANTHROPIC_PROVIDER_ID: &str = "anthropic";
-const ANTHROPIC_DEFAULT_API_URL: &str = "https://api.anthropic.com";
-
-/// Migrates Anthropic API credentials from the old built-in provider location
-/// to the new extension-based location.
-///
-/// This should only be called during auto-install of the extension.
-pub fn migrate_anthropic_credentials_if_needed(extension_id: &str, cx: &mut App) {
-    if extension_id != ANTHROPIC_EXTENSION_ID {
-        return;
-    }
-
-    let extension_credential_key = format!(
-        "extension-llm-{}:{}",
-        ANTHROPIC_EXTENSION_ID, ANTHROPIC_PROVIDER_ID
-    );
-
-    let credentials_provider = <dyn CredentialsProvider>::global(cx);
-
-    cx.spawn(async move |cx| {
-        // Read from old location
-        let old_credential = credentials_provider
-            .read_credentials(ANTHROPIC_DEFAULT_API_URL, &cx)
-            .await
-            .ok()
-            .flatten();
-
-        let api_key = match old_credential {
-            Some((_, key_bytes)) => match String::from_utf8(key_bytes) {
-                Ok(key) if !key.is_empty() => key,
-                Ok(_) => {
-                    log::debug!("Existing Anthropic API key is empty, nothing to migrate");
-                    return;
-                }
-                Err(_) => {
-                    log::error!("Failed to decode Anthropic API key as UTF-8");
-                    return;
-                }
-            },
-            None => {
-                log::debug!("No existing Anthropic API key found to migrate");
-                return;
-            }
-        };
-
-        log::info!("Migrating existing Anthropic API key to Anthropic extension");
-
-        match credentials_provider
-            .write_credentials(&extension_credential_key, "Bearer", api_key.as_bytes(), &cx)
-            .await
-        {
-            Ok(()) => {
-                log::info!("Successfully migrated Anthropic API key to extension");
-            }
-            Err(err) => {
-                log::error!("Failed to migrate Anthropic API key: {}", err);
-            }
-        }
-    })
-    .detach();
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use gpui::TestAppContext;
-
-    #[gpui::test]
-    async fn test_migrates_credentials_from_old_location(cx: &mut TestAppContext) {
-        let api_key = "sk-ant-test-key-12345";
-
-        cx.write_credentials(ANTHROPIC_DEFAULT_API_URL, "Bearer", api_key.as_bytes());
-
-        cx.update(|cx| {
-            migrate_anthropic_credentials_if_needed(ANTHROPIC_EXTENSION_ID, cx);
-        });
-
-        cx.run_until_parked();
-
-        let migrated = cx.read_credentials("extension-llm-anthropic:anthropic");
-        assert!(migrated.is_some(), "Credentials should have been migrated");
-        let (username, password) = migrated.unwrap();
-        assert_eq!(username, "Bearer");
-        assert_eq!(String::from_utf8(password).unwrap(), api_key);
-    }
-
-    #[gpui::test]
-    async fn test_no_migration_if_no_old_credentials(cx: &mut TestAppContext) {
-        cx.update(|cx| {
-            migrate_anthropic_credentials_if_needed(ANTHROPIC_EXTENSION_ID, cx);
-        });
-
-        cx.run_until_parked();
-
-        let credentials = cx.read_credentials("extension-llm-anthropic:anthropic");
-        assert!(
-            credentials.is_none(),
-            "Should not create credentials if none existed"
-        );
-    }
-
-    #[gpui::test]
-    async fn test_skips_migration_for_other_extensions(cx: &mut TestAppContext) {
-        let api_key = "sk-ant-test-key";
-
-        cx.write_credentials(ANTHROPIC_DEFAULT_API_URL, "Bearer", api_key.as_bytes());
-
-        cx.update(|cx| {
-            migrate_anthropic_credentials_if_needed("some-other-extension", cx);
-        });
-
-        cx.run_until_parked();
-
-        let credentials = cx.read_credentials("extension-llm-anthropic:anthropic");
-        assert!(
-            credentials.is_none(),
-            "Should not migrate for other extensions"
-        );
-    }
-}
diff --git a/crates/extension_host/src/google_ai_migration.rs b/crates/extension_host/src/google_ai_migration.rs
deleted file mode 100644
index 80f930ea91359b4d852c60f8f0b3d5d30ab6e372..0000000000000000000000000000000000000000
--- a/crates/extension_host/src/google_ai_migration.rs
+++ /dev/null
@@ -1,124 +0,0 @@
-use credentials_provider::CredentialsProvider;
-use gpui::App;
-
-const GOOGLE_AI_EXTENSION_ID: &str = "google-ai";
-const GOOGLE_AI_PROVIDER_ID: &str = "google-ai";
-const GOOGLE_AI_DEFAULT_API_URL: &str = "https://generativelanguage.googleapis.com";
-
-/// Migrates Google AI API credentials from the old built-in provider location
-/// to the new extension-based location.
-///
-/// This should only be called during auto-install of the extension.
-pub fn migrate_google_ai_credentials_if_needed(extension_id: &str, cx: &mut App) {
-    if extension_id != GOOGLE_AI_EXTENSION_ID {
-        return;
-    }
-
-    let extension_credential_key = format!(
-        "extension-llm-{}:{}",
-        GOOGLE_AI_EXTENSION_ID, GOOGLE_AI_PROVIDER_ID
-    );
-
-    let credentials_provider = <dyn CredentialsProvider>::global(cx);
-
-    cx.spawn(async move |cx| {
-        // Read from old location
-        let old_credential = credentials_provider
-            .read_credentials(GOOGLE_AI_DEFAULT_API_URL, &cx)
-            .await
-            .ok()
-            .flatten();
-
-        let api_key = match old_credential {
-            Some((_, key_bytes)) => match String::from_utf8(key_bytes) {
-                Ok(key) if !key.is_empty() => key,
-                Ok(_) => {
-                    log::debug!("Existing Google AI API key is empty, nothing to migrate");
-                    return;
-                }
-                Err(_) => {
-                    log::error!("Failed to decode Google AI API key as UTF-8");
-                    return;
-                }
-            },
-            None => {
-                log::debug!("No existing Google AI API key found to migrate");
-                return;
-            }
-        };
-
-        log::info!("Migrating existing Google AI API key to Google AI extension");
-
-        match credentials_provider
-            .write_credentials(&extension_credential_key, "Bearer", api_key.as_bytes(), &cx)
-            .await
-        {
-            Ok(()) => {
-                log::info!("Successfully migrated Google AI API key to extension");
-            }
-            Err(err) => {
-                log::error!("Failed to migrate Google AI API key: {}", err);
-            }
-        }
-    })
-    .detach();
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use gpui::TestAppContext;
-
-    #[gpui::test]
-    async fn test_migrates_credentials_from_old_location(cx: &mut TestAppContext) {
-        let api_key = "AIzaSy-test-key-12345";
-
-        cx.write_credentials(GOOGLE_AI_DEFAULT_API_URL, "Bearer", api_key.as_bytes());
-
-        cx.update(|cx| {
-            migrate_google_ai_credentials_if_needed(GOOGLE_AI_EXTENSION_ID, cx);
-        });
-
-        cx.run_until_parked();
-
-        let migrated = cx.read_credentials("extension-llm-google-ai:google-ai");
-        assert!(migrated.is_some(), "Credentials should have been migrated");
-        let (username, password) = migrated.unwrap();
-        assert_eq!(username, "Bearer");
-        assert_eq!(String::from_utf8(password).unwrap(), api_key);
-    }
-
-    #[gpui::test]
-    async fn test_no_migration_if_no_old_credentials(cx: &mut TestAppContext) {
-        cx.update(|cx| {
-            migrate_google_ai_credentials_if_needed(GOOGLE_AI_EXTENSION_ID, cx);
-        });
-
-        cx.run_until_parked();
-
-        let credentials = cx.read_credentials("extension-llm-google-ai:google-ai");
-        assert!(
-            credentials.is_none(),
-            "Should not create credentials if none existed"
-        );
-    }
-
-    #[gpui::test]
-    async fn test_skips_migration_for_other_extensions(cx: &mut TestAppContext) {
-        let api_key = "AIzaSy-test-key";
-
-        cx.write_credentials(GOOGLE_AI_DEFAULT_API_URL, "Bearer", api_key.as_bytes());
-
-        cx.update(|cx| {
-            migrate_google_ai_credentials_if_needed("some-other-extension", cx);
-        });
-
-        cx.run_until_parked();
-
-        let credentials = cx.read_credentials("extension-llm-google-ai:google-ai");
-        assert!(
-            credentials.is_none(),
-            "Should not migrate for other extensions"
-        );
-    }
-}