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-rw-r--r--compiler/rustc_session/src/session.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index aa1e9762f39..bcd9a73d9d3 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -930,7 +930,6 @@ fn default_emitter(
                     .fluent_bundle(bundle)
                     .sm(source_map)
                     .short_message(short)
-                    .teach(sopts.unstable_opts.teach)
                     .diagnostic_width(sopts.diagnostic_width)
                     .macro_backtrace(macro_backtrace)
                     .track_diagnostics(track_diagnostics)