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-rw-r--r--src/libsyntax/ext/expand.rs1
-rw-r--r--src/libsyntax/feature_gate.rs4
-rw-r--r--src/tools/tidy/src/features.rs2
3 files changed, 2 insertions, 5 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 201e8d69494..3a8f9126b49 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -926,7 +926,6 @@ impl<'feat> ExpansionConfig<'feat> {
         fn enable_trace_macros = trace_macros,
         fn enable_allow_internal_unstable = allow_internal_unstable,
         fn enable_custom_derive = custom_derive,
-        fn enable_pushpop_unsafe = pushpop_unsafe,
     }
 }
 
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 64f2510b790..ba6e752d310 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -127,9 +127,6 @@ declare_features! (
     (active, reflect, "1.0.0", Some(27749)),
     (active, unboxed_closures, "1.0.0", Some(29625)),
 
-    // rustc internal.
-    (active, pushpop_unsafe, "1.2.0", None),
-
     (active, allocator, "1.0.0", Some(27389)),
     (active, fundamental, "1.0.0", Some(29635)),
     (active, main, "1.0.0", Some(29634)),
@@ -341,6 +338,7 @@ declare_features! (
     // Allows using items which are missing stability attributes
     // rustc internal
     (removed, unmarked_api, "1.0.0", None),
+    (removed, pushpop_unsafe, "1.2.0", None),
 );
 
 declare_features! (
diff --git a/src/tools/tidy/src/features.rs b/src/tools/tidy/src/features.rs
index e2f7f921db2..10b509d58bf 100644
--- a/src/tools/tidy/src/features.rs
+++ b/src/tools/tidy/src/features.rs
@@ -168,7 +168,7 @@ pub fn check(path: &Path, bad: &mut bool) {
         "abi_ptx", "simd", "macro_reexport",
         "more_struct_aliases", "static_recursion", "reflect",
         "quote", "cfg_target_has_atomic", "custom_attribute",
-        "default_type_parameter_fallback", "pushpop_unsafe",
+        "default_type_parameter_fallback",
         "use_extern_macros", "staged_api", "const_indexing",
         "unboxed_closures", "stmt_expr_attributes",
         "cfg_target_thread_local", "unwind_attributes",