diff --git a/lib/6to5/transformation/transformers/es6-let-scoping.js b/lib/6to5/transformation/transformers/es6-block-scoping.js similarity index 100% rename from lib/6to5/transformation/transformers/es6-let-scoping.js rename to lib/6to5/transformation/transformers/es6-block-scoping.js diff --git a/test/fixtures/transformation/es6-let-scoping/exec-block-scoped-2/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-block-scoped-2/exec.js similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-block-scoped-2/exec.js rename to test/fixtures/transformation/es6-block-scoping/exec-block-scoped-2/exec.js diff --git a/test/fixtures/transformation/es6-let-scoping/exec-block-scoped/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-block-scoped/exec.js similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-block-scoped/exec.js rename to test/fixtures/transformation/es6-block-scoping/exec-block-scoped/exec.js diff --git a/test/fixtures/transformation/es6-let-scoping/exec-collision-array-comprehension/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-collision-array-comprehension/exec.js similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-collision-array-comprehension/exec.js rename to test/fixtures/transformation/es6-block-scoping/exec-collision-array-comprehension/exec.js diff --git a/test/fixtures/transformation/es6-let-scoping/exec-collision-array-comprehension/options.json b/test/fixtures/transformation/es6-block-scoping/exec-collision-array-comprehension/options.json similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-collision-array-comprehension/options.json rename to test/fixtures/transformation/es6-block-scoping/exec-collision-array-comprehension/options.json diff --git a/test/fixtures/transformation/es6-let-scoping/exec-collision-for/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-collision-for/exec.js 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a/test/fixtures/transformation/es6-let-scoping/exec-duplicate-in-upper-scope/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-duplicate-in-upper-scope/exec.js similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-duplicate-in-upper-scope/exec.js rename to test/fixtures/transformation/es6-block-scoping/exec-duplicate-in-upper-scope/exec.js diff --git a/test/fixtures/transformation/es6-let-scoping/exec-for-loop-head/exec.js b/test/fixtures/transformation/es6-block-scoping/exec-for-loop-head/exec.js similarity index 100% rename from test/fixtures/transformation/es6-let-scoping/exec-for-loop-head/exec.js rename to test/fixtures/transformation/es6-block-scoping/exec-for-loop-head/exec.js diff --git a/test/fixtures/transformation/es6-let-scoping/for-break-continue-return/actual.js b/test/fixtures/transformation/es6-block-scoping/for-break-continue-return/actual.js similarity index 100% rename from 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