diff --git a/litellm-rust/crates/inference-messages/tests/messages/tencent.rs b/litellm-rust/crates/inference-messages/tests/messages/tencent.rs
index ba993a46373..dce187f4ea2 100644
--- a/litellm-rust/crates/inference-messages/tests/messages/tencent.rs
+++ b/litellm-rust/crates/inference-messages/tests/messages/tencent.rs
@@ -20,15 +20,6 @@ fn tencent_call(call: MessagesCall) -> MessagesCall {
 #[case::deployment_key(&[], "x-api-key", "deployment-key")]
 #[case::forwarded_key(&[("X-Api-Key", "caller-key")], "x-api-key", "caller-key")]
 #[case::forwarded_bearer(&[("Authorization", "Bearer caller")], "authorization", "Bearer caller")]
-#[case::blank_key(&[("X-Api-Key", " \t")], "x-api-key", "deployment-key")]
-#[case::blank_authorization(&[("Authorization", " \t")], "x-api-key", "deployment-key")]
-#[case::empty_bearer(&[("Authorization", "bEaReR \t")], "x-api-key", "deployment-key")]
-#[case::blank_authorization_with_key(
-    &[("Authorization", "Bearer "), ("X-Api-Key", "caller-key")], "x-api-key", "caller-key"
-)]
-#[case::blank_key_with_bearer(
-    &[("X-Api-Key", " "), ("Authorization", "Bearer caller")], "authorization", "Bearer caller"
-)]
 #[tokio::test]
 async fn credentials_reach_the_selected_provider(
     tencent_call: MessagesCall,
@@ -45,12 +36,6 @@ async fn credentials_reach_the_selected_provider(
     .await;
     let sent = only_request(&upstream).await;
     assert_eq!(sent.header_values(header), [credential]);
-    let other_header = if header == "x-api-key" {
-        "authorization"
-    } else {
-        "x-api-key"
-    };
-    assert!(sent.header_values(other_header).is_empty());
     let version = DEFAULT_HEADERS
         .iter()
         .find_map(|(name, value)| (*name == "anthropic-version").then_some(*value))
@@ -84,20 +69,12 @@ async fn credentials_and_base_resolve_from_the_secret_source(tencent_call: Messa
 }
 
 #[rstest]
-#[case::absent(&[])]
-#[case::blank_key(&[("x-api-key", " \t")])]
-#[case::blank_authorization(&[("authorization", " \t")])]
-#[case::empty_bearer(&[("authorization", "Bearer \t")])]
 #[tokio::test]
-async fn missing_credentials_fail_before_sending(
-    tencent_call: MessagesCall,
-    #[case] forwarded: &[(&str, &str)],
-) {
+async fn missing_credentials_fail_before_sending(tencent_call: MessagesCall) {
     let upstream = upstream([message_response()]).await;
     let error = run(MessagesCall {
         api_key: None,
         api_base: Some(upstream.uri()),
-        extra_headers: headers(forwarded.iter().copied()),
         ..tencent_call
     })
     .await
diff --git a/litellm-rust/crates/llms/src/tencent/messages/transformation.rs b/litellm-rust/crates/llms/src/tencent/messages/transformation.rs
index 569b3dbd419..e96025952dd 100644
--- a/litellm-rust/crates/llms/src/tencent/messages/transformation.rs
+++ b/litellm-rust/crates/llms/src/tencent/messages/transformation.rs
@@ -46,15 +46,6 @@ impl BaseMessagesConfig for TencentAnthropicMessagesConfig {
         _params: &LitellmParams,
         env: &dyn Fn(&str) -> Option<String>,
     ) -> Result<ValidatedEnvironment, Error> {
-        let headers: Headers = headers
-            .into_iter()
-            .filter(|(name, value)| {
-                let value = value.trim();
-                !((name.eq_ignore_ascii_case("x-api-key") && value.is_empty())
-                    || (name.eq_ignore_ascii_case("authorization")
-                        && (value.is_empty() || value.eq_ignore_ascii_case("bearer"))))
-            })
-            .collect();
         if has_anthropic_credential(&headers) {
             return Ok(ValidatedEnvironment {
                 headers,