diff --git a/src/libsyntax/ext/tt/macro_check.rs b/src/libsyntax/ext/mbe/macro_check.rs
similarity index 100%
rename from src/libsyntax/ext/tt/macro_check.rs
rename to src/libsyntax/ext/mbe/macro_check.rs
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/mbe/macro_parser.rs
similarity index 100%
rename from src/libsyntax/ext/tt/macro_parser.rs
rename to src/libsyntax/ext/mbe/macro_parser.rs
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/mbe/macro_rules.rs
similarity index 100%
rename from src/libsyntax/ext/tt/macro_rules.rs
rename to src/libsyntax/ext/mbe/macro_rules.rs
diff --git a/src/libsyntax/ext/tt/quoted.rs b/src/libsyntax/ext/mbe/quoted.rs
similarity index 100%
rename from src/libsyntax/ext/tt/quoted.rs
rename to src/libsyntax/ext/mbe/quoted.rs
diff --git a/src/libsyntax/ext/tt/transcribe.rs b/src/libsyntax/ext/mbe/transcribe.rs
similarity index 100%
rename from src/libsyntax/ext/tt/transcribe.rs
rename to src/libsyntax/ext/mbe/transcribe.rs