diff --git a/ConsoleLogHandler.iml b/ConsoleLogHandler.iml
index f62eb01..00fab9c 100644
--- a/ConsoleLogHandler.iml
+++ b/ConsoleLogHandler.iml
@@ -4,6 +4,7 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
       <excludeFolder url="file://$MODULE_DIR$/packages" />
       <excludeFolder url="file://$MODULE_DIR$/test/packages" />
       <excludeFolder url="file://$MODULE_DIR$/test/unit/logging/packages" />
diff --git a/test/packages b/test/packages
deleted file mode 120000
index a16c405..0000000
--- a/test/packages
+++ /dev/null
@@ -1 +0,0 @@
-../packages
\ No newline at end of file
diff --git a/test/unit/logging/packages b/test/unit/logging/packages
deleted file mode 120000
index 2c13682..0000000
--- a/test/unit/logging/packages
+++ /dev/null
@@ -1 +0,0 @@
-../../../packages
\ No newline at end of file
diff --git a/test/unit/packages b/test/unit/packages
deleted file mode 120000
index 4b727bf..0000000
--- a/test/unit/packages
+++ /dev/null
@@ -1 +0,0 @@
-../../packages
\ No newline at end of file
diff --git a/test/unit/simple/JsonPrettyPrint_test.dart b/test/unit/simple/JsonPrettyPrint_test.dart
index acf6c5f..42d1351 100644
--- a/test/unit/simple/JsonPrettyPrint_test.dart
+++ b/test/unit/simple/JsonPrettyPrint_test.dart
@@ -72,7 +72,7 @@ main() {
 
             expect(map["family"]["age"],18);
 
-            final Map<String,dynamic> mapDecoded = JSON.decode(jsonString);
+            final Map<String,dynamic> mapDecoded = JSON.decode(jsonString) as Map<String,dynamic>;
             expect(mapDecoded,new isInstanceOf<Map<String,dynamic>>());
 
             expect(mapDecoded.length,map.length);
diff --git a/test/unit/simple/packages b/test/unit/simple/packages
deleted file mode 120000
index 2c13682..0000000
--- a/test/unit/simple/packages
+++ /dev/null
@@ -1 +0,0 @@
-../../../packages
\ No newline at end of file
diff --git a/tool/grind.dart b/tool/grind.dart
index 3e4068e..6062383 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -1,6 +1,6 @@
 import 'package:grinder/grinder.dart';
 
-main(args) => grind(args);
+main(final List<String> args) => grind(args);
 
 @Task()
 @Depends(testUnit)