Version 2.15.0-107.0.dev

Merge commit 'fd2d01411298457f31081e3064881a28ab19ee5f' into 'dev'
diff --git a/pkg/front_end/lib/src/fasta/kernel/constructor_tearoff_lowering.dart b/pkg/front_end/lib/src/fasta/kernel/constructor_tearoff_lowering.dart
index ad3885a..4fff165 100644
--- a/pkg/front_end/lib/src/fasta/kernel/constructor_tearoff_lowering.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/constructor_tearoff_lowering.dart
@@ -6,7 +6,6 @@
 import 'package:kernel/type_algebra.dart';
 import '../builder/member_builder.dart';
 import '../source/source_library_builder.dart';
-import 'kernel_api.dart';
 import 'kernel_helper.dart';
 
 const String _tearOffNamePrefix = '_#';
diff --git a/tools/VERSION b/tools/VERSION
index 5f3e116..097fbeb 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 15
 PATCH 0
-PRERELEASE 106
+PRERELEASE 107
 PRERELEASE_PATCH 0
\ No newline at end of file