diff --git a/bin/inference/print_summary.dart b/bin/inference/print_summary.dart
index b2df74c..8d11559 100644
--- a/bin/inference/print_summary.dart
+++ b/bin/inference/print_summary.dart
@@ -93,6 +93,4 @@
 const _groupColors = const [_YELLOW_COLOR, _NO_COLOR];
 
 const _NO_COLOR = "\x1b[0m";
-const _GREEN_COLOR = "\x1b[32m";
 const _YELLOW_COLOR = "\x1b[33m";
-const _WHITE_COLOR = "\x1b[37m";
diff --git a/bin/library_size_split.dart b/bin/library_size_split.dart
index 9221bf4..028e5a1 100644
--- a/bin/library_size_split.dart
+++ b/bin/library_size_split.dart
@@ -109,7 +109,7 @@
   all.sort((a, b) => sizes[a].compareTo(sizes[b]));
   var realTotal = info.program.size;
   var longest = 0;
-  var rows = [];
+  var rows = <_Row>[];
   _addRow(String label, int value) {
     rows.add(new _Row(label, value));
     longest = max(longest, label.length);