diff --git a/builtin_packages/.prajna b/builtin_packages/.prajna
index a9597dc0..242de179 100644
--- a/builtin_packages/.prajna
+++ b/builtin_packages/.prajna
@@ -41,7 +41,6 @@ use string::String;
 
 use serializable::Serializable;
 use serialize;
-use hash::Hashable;
 
 func ExitWithMessage(msg: String) {
     msg.PrintLine();
diff --git a/builtin_packages/float.prajna b/builtin_packages/float.prajna
index 8e986d51..1f4870d9 100644
--- a/builtin_packages/float.prajna
+++ b/builtin_packages/float.prajna
@@ -190,4 +190,3 @@ implement FloatScientificPrinter<FloatType> {
         return str_re;
     }
 }
-
diff --git a/builtin_packages/hash.prajna b/builtin_packages/hash.prajna
deleted file mode 100644
index 77837ffa..00000000
--- a/builtin_packages/hash.prajna
+++ /dev/null
@@ -1,54 +0,0 @@
-interface Hashable{ 
-    func Hash()->i64;
-}
-
-implement Hashable for char{
-    func Hash()->i64{
-        var hash: i64 = 5381;
-        var int_bits = cast<char, i64>(this);
-        hash = ((hash * 16) + hash) + int_bits; 
-        return hash;
-    }
-}
-
-implement Hashable for bool{
-    func Hash()->i64{
-        var hash: i64 = 5381;        
-        var int_bits = cast<bool, i64>(this);
-        hash = ((hash * 16) + hash) + int_bits; 
-        return hash;
-    }
-}
-
-template <Bits>
-implement Hashable for Int<Bits>{
-    func Hash()->i64{
-        var hash: i64 = 5381;        
-        var int_bits = cast<Int<Bits>, i64>(this);
-        hash = ((hash * 32) + hash) + int_bits; 
-        return hash;
-    }
-}
-
-template <Bits>
-implement Hashable for Float<Bits>{
-    func Hash()->i64{
-        var hash: i64 = 5381;        
-        var int_bits = cast<Float<Bits>, i64>(this);
-        hash = ((hash * 32) + hash) + int_bits; 
-        return hash;
-    }
-}
-
-implement Hashable for String{
-    func Hash()->i64{
-        var hash: i64 = 5381;
-        for x in 0 to this.Length(){
-            var int_bits = cast<char, i64>(this.__get_linear_index__(x));
-            hash = ((hash * 16) + hash) + int_bits; 
-        }
-        return hash;
-    }
-}
-
-
diff --git a/builtin_packages/int.prajna b/builtin_packages/int.prajna
index 70fe641f..5456db97 100644
--- a/builtin_packages/int.prajna
+++ b/builtin_packages/int.prajna
@@ -1,3 +1,5 @@
+
+
 template <Bits>
 implement Uint<Bits> {
     @static
@@ -25,6 +27,3 @@ implement Int<Bits> {
         return !Int<Bits>::Max();
     }
 }
-
-
-
diff --git a/builtin_packages/primitive_type.prajna b/builtin_packages/primitive_type.prajna
index 81193661..df7cd45d 100644
--- a/builtin_packages/primitive_type.prajna
+++ b/builtin_packages/primitive_type.prajna
@@ -292,3 +292,5 @@ use NegativeAndPositiveTemplate2<char>;
 // use ComparableTemplate2<bool>;
 use LogicalableTemplate2<bool>;
 
+
+
diff --git a/tests/prajna_sources/special_statement_test.prajna b/tests/prajna_sources/special_statement_test.prajna
index a2df4407..ac3c76ca 100644
--- a/tests/prajna_sources/special_statement_test.prajna
+++ b/tests/prajna_sources/special_statement_test.prajna
@@ -1,14 +1,26 @@
-@test
-func Test1() {
-    3i64.Hash().ToString().PrintLine();
-    2i32.Hash().ToString().PrintLine();
+template <T>
+struct Hash{}
+
+template <T>
+implement Hash<T> {
+    func __call__(v: T)->i64 {
+        return 1;
+    }
+}
+
+implement Hash<i64> {
+    func __call__(v: i64)->i64 {
+        return v;
+    }
+}
 
-    4.0f64.Hash().ToString().PrintLine();
-    3.1f32.Hash().ToString().PrintLine();
 
-    'b'.Hash().ToString().PrintLine();
-    "hello".Hash().ToString().PrintLine();
-    true.Hash().ToString().PrintLine();
+@test
+func Test1() {
+    var tmp: Hash<i64>;
+    tmp(3).PrintLine();
+    var tmp2: Hash<f32>;
+    tmp2(3.0f32).PrintLine();
 }