diff --git a/src/app/shared/utils/arrays.ts b/src/app/shared/utils/arrays.ts
deleted file mode 100644
index f23ef94..0000000
--- a/src/app/shared/utils/arrays.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-export class ArrayUtils {
-
-    /**
-     * Returns if two arrays are equal
-     */
-    static arraysEqual(a: any, b: any): boolean {
-        if (a === b) return true;
-        if (a == null || b == null) return false;
-        if (a.length !== b.length) return false;
-
-        // If you don't care about the order of the elements inside
-        // the array, you should sort both arrays here.
-        for (let i = 0; i < a.length; ++i) {
-            if (a[i] !== b[i]) return false;
-        }
-        return true;
-    }
-
-}
\ No newline at end of file
diff --git a/src/app/shared/utils/hashmap.ts b/src/app/shared/utils/hashmap.ts
deleted file mode 100644
index 862fb8f..0000000
--- a/src/app/shared/utils/hashmap.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-export class HashMap<K extends EqualsObject, V> {
-    private values: Array<HashItem<K, V>> = new Array();
-
-    get(key: K): V {
-        let found = this.values.find( function(value: HashItem<K, V>) {
-            return value.key.equals(key);
-        });
-        if (found) {
-            return found.value;
-        }
-        return null;
-    }
-
-    put(key: K, value: V): void {
-        this.values.push(new HashItem(key, value));
-    }
-
-    clear() {
-        this.values = new Array();
-    }
-}
-
-export class HashItem<K, V> {
-    key: K;
-    value: V;
-    constructor(key: K, value: V) {
-        this.key = key;
-        this.value = value;
-    }
-}
-
-export abstract class EqualsObject {
-
-    abstract equals(other: any): boolean;
-
-}
\ No newline at end of file
diff --git a/src/app/shared/utils/index.ts b/src/app/shared/utils/index.ts
deleted file mode 100644
index 6102c1a..0000000
--- a/src/app/shared/utils/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-/* Module Index Entry - generated using the script npm run generate-index */
-export * from "./hashmap";
-export * from "./arrays";
--
libgit2 0.21.2