diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs
index 8c1ebee8416e5..fc25849b2d602 100644
--- a/compiler/rustc_target/src/target_features.rs
+++ b/compiler/rustc_target/src/target_features.rs
@@ -423,7 +423,6 @@ static X86_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
     ("amx-fp16", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
     ("amx-int8", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
     ("amx-movrs", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
-    ("amx-tf32", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
     ("amx-tile", Unstable(sym::x86_amx_intrinsics), &[]),
     ("apxf", Unstable(sym::apx_target_feature), &[]),
     ("avx", Stable, &["sse4.2"]),
diff --git a/library/std_detect/src/detect/arch/x86.rs b/library/std_detect/src/detect/arch/x86.rs
index ede4a80c088ed..e054546afcb19 100644
--- a/library/std_detect/src/detect/arch/x86.rs
+++ b/library/std_detect/src/detect/arch/x86.rs
@@ -91,7 +91,6 @@ features! {
     /// * `"amx-avx512"`
     /// * `"amx-fp8"`
     /// * `"amx-movrs"`
-    /// * `"amx-tf32"`
     /// * `"f16c"`
     /// * `"fma"`
     /// * `"bmi1"`
@@ -228,8 +227,6 @@ features! {
     /// AMX-FP8 (Float8 Operations)
     @FEATURE: #[unstable(feature = "x86_amx_intrinsics", issue = "126622")] amx_movrs: "amx-movrs";
     /// AMX-MOVRS (Matrix MOVERS operations)
-    @FEATURE: #[unstable(feature = "x86_amx_intrinsics", issue = "126622")] amx_tf32: "amx-tf32";
-    /// AMX-TF32 (TensorFloat32 Operations)
     @FEATURE: #[unstable(feature = "apx_target_feature", issue = "139284")] apxf: "apxf";
     /// APX-F (Advanced Performance Extensions - Foundation)
     @FEATURE: #[unstable(feature = "avx10_target_feature", issue = "138843")] avx10_1: "avx10.1";
diff --git a/library/std_detect/src/detect/os/x86.rs b/library/std_detect/src/detect/os/x86.rs
index 2b75cd6257087..4e739fb38d56e 100644
--- a/library/std_detect/src/detect/os/x86.rs
+++ b/library/std_detect/src/detect/os/x86.rs
@@ -216,7 +216,6 @@ pub(crate) fn detect_features() -> cache::Initializer {
                             __cpuid_count(0x1e_u32, 1);
 
                         enable(amx_feature_flags_eax, 4, Feature::amx_fp8);
-                        enable(amx_feature_flags_eax, 6, Feature::amx_tf32);
                         enable(amx_feature_flags_eax, 7, Feature::amx_avx512);
                         enable(amx_feature_flags_eax, 8, Feature::amx_movrs);
                     }
diff --git a/library/std_detect/tests/x86-specific.rs b/library/std_detect/tests/x86-specific.rs
index 4b02f78b7944e..117182558f46a 100644
--- a/library/std_detect/tests/x86-specific.rs
+++ b/library/std_detect/tests/x86-specific.rs
@@ -83,7 +83,6 @@ fn dump() {
     println!("widekl: {:?}", is_x86_feature_detected!("widekl"));
     println!("movrs: {:?}", is_x86_feature_detected!("movrs"));
     println!("amx-fp8: {:?}", is_x86_feature_detected!("amx-fp8"));
-    println!("amx-tf32: {:?}", is_x86_feature_detected!("amx-tf32"));
     println!("amx-avx512: {:?}", is_x86_feature_detected!("amx-avx512"));
     println!("amx-movrs: {:?}", is_x86_feature_detected!("amx-movrs"));
 }
diff --git a/tests/ui/check-cfg/target_feature.stderr b/tests/ui/check-cfg/target_feature.stderr
index 98ba1de498bbe..eca0813e6a286 100644
--- a/tests/ui/check-cfg/target_feature.stderr
+++ b/tests/ui/check-cfg/target_feature.stderr
@@ -28,7 +28,6 @@ LL |     cfg!(target_feature = "_UNEXPECTED_VALUE");
 `amx-fp8`
 `amx-int8`
 `amx-movrs`
-`amx-tf32`
 `amx-tile`
 `apxf`
 `atomics`