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-      <module name="gilded-rose-kata" />
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-          <option name="ENABLED" value="true" />
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-        <line-breakpoint enabled="true" type="java-line">
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-    <entry file="file://$PROJECT_DIR$/Groovy/src/com/gildedrose/GildedRose.groovy">
-      <provider selected="true" editor-type-id="text-editor">
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-        </state>
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-    <entry file="file://$PROJECT_DIR$/Java/src/main/java/com/gildedrose/BackstagePassUpdater.java">
-      <provider selected="true" editor-type-id="text-editor">
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-          <caret line="3" selection-start-line="3" selection-end-line="3" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Java/src/main/java/com/gildedrose/ConjuredUpdater.java">
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-          <caret line="3" selection-start-line="3" selection-end-line="3" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Java/src/main/java/com/gildedrose/AgedBrieUpdater.java">
-      <provider selected="true" editor-type-id="text-editor">
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-        </state>
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-    </entry>
-    <entry file="file://$PROJECT_DIR$/Java/src/main/java/com/gildedrose/CustomItemUpdater.java">
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-          <caret line="3" selection-start-line="3" selection-end-line="3" />
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-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Java/src/main/java/com/gildedrose/ItemUpdater.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
-          <caret line="12" column="28" lean-forward="true" selection-start-line="12" selection-start-column="28" selection-end-line="12" selection-end-column="28" />
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-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="FacetStructureConfigurable.UI">
-        <settings>
-          <last-edited>No facets are configured</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="GlobalLibrariesConfigurable.UI">
-        <settings>
-          <last-edited>Bundled Protobuf Distribution</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
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-                <option value="0.2" />
-              </list>
-            </option>
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-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ModuleStructureConfigurable.UI">
-        <settings>
-          <last-edited>gilded-rose-kata</last-edited>
-          <splitter-proportions>
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-              <list>
-                <option value="0.2" />
-                <option value="0.6" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
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-          <splitter-proportions>
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-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
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-</project>
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diff --git a/Groovy/.idea/compiler.xml b/Groovy/.idea/compiler.xml
deleted file mode 100644
index 96cc43ef..00000000
--- a/Groovy/.idea/compiler.xml
+++ /dev/null
@@ -1,22 +0,0 @@
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-<project version="4">
-  <component name="CompilerConfiguration">
-    <resourceExtensions />
-    <wildcardResourcePatterns>
-      <entry name="!?*.java" />
-      <entry name="!?*.form" />
-      <entry name="!?*.class" />
-      <entry name="!?*.groovy" />
-      <entry name="!?*.scala" />
-      <entry name="!?*.flex" />
-      <entry name="!?*.kt" />
-      <entry name="!?*.clj" />
-      <entry name="!?*.aj" />
-    </wildcardResourcePatterns>
-    <annotationProcessing>
-      <profile default="true" name="Default" enabled="false">
-        <processorPath useClasspath="true" />
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-    </annotationProcessing>
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-</project>
\ No newline at end of file
diff --git a/Groovy/.idea/copyright/profiles_settings.xml b/Groovy/.idea/copyright/profiles_settings.xml
deleted file mode 100644
index e7bedf33..00000000
--- a/Groovy/.idea/copyright/profiles_settings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
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-  <settings default="" />
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diff --git a/Groovy/.idea/misc.xml b/Groovy/.idea/misc.xml
deleted file mode 100644
index c6d8fb73..00000000
--- a/Groovy/.idea/misc.xml
+++ /dev/null
@@ -1,26 +0,0 @@
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-  </component>
-  <component name="MavenImportPreferences">
-    <option name="generalSettings">
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-        <option name="mavenHome" value="Bundled (Maven 3)" />
-      </MavenGeneralSettings>
-    </option>
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-    <OptionsSetting value="true" id="Add" />
-    <OptionsSetting value="true" id="Remove" />
-    <OptionsSetting value="true" id="Checkout" />
-    <OptionsSetting value="true" id="Update" />
-    <OptionsSetting value="true" id="Status" />
-    <OptionsSetting value="true" id="Edit" />
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-    <ConfirmationsSetting value="0" id="Remove" />
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diff --git a/Groovy/.idea/modules.xml b/Groovy/.idea/modules.xml
deleted file mode 100644
index c1a39855..00000000
--- a/Groovy/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
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\ No newline at end of file
diff --git a/dart/bin/main.dart b/dart/bin/main.dart
deleted file mode 100644
index 240994c5..00000000
--- a/dart/bin/main.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-import 'package:gilded_rose/gilded_rose.dart';
-
-main(List<String> args) {
-  print("OMGHAI!");
-
-  var items = [
-    new Item("+5 Dexterity Vest", 10, 20),
-    new Item("Aged Brie", 2, 0),
-    new Item("Elixir of the Mongoose", 5, 7),
-    new Item("Sulfuras, Hand of Ragnaros", 0, 80),
-    new Item("Sulfuras, Hand of Ragnaros", -1, 80),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 15, 20),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 10, 49),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 5, 49),
-    // this conjured item does not work properly yet
-    new Item("Conjured Mana Cake", 3, 6)
-  ];
-
-  GildedRose app = new GildedRose(items);
-
-  int days = 2;
-  if (args.length > 0) {
-    days = int.parse(args[0]) + 1;
-  }
-
-  for (int i = 0; i < days; i++) {
-    print("-------- day $i --------");
-    print("name, sellIn, quality");
-    for (var item in items) {
-      print(item);
-    }
-    print('');
-    app.updateQuality();
-  }
-}