diff --git a/docs/docs/04-standard-library/std/json.md b/docs/docs/04-standard-library/std/json.md
index da8d8a1e80c..72436d5dc3f 100644
--- a/docs/docs/04-standard-library/std/json.md
+++ b/docs/docs/04-standard-library/std/json.md
@@ -21,6 +21,7 @@ Immutable Json.
 | <code><a href="#@winglang/sdk.std.Json.asStr">asStr</a></code> | Convert Json element to string if possible. |
 | <code><a href="#@winglang/sdk.std.Json.get">get</a></code> | Returns the value associated with the specified Json key. |
 | <code><a href="#@winglang/sdk.std.Json.getAt">getAt</a></code> | Returns a specified element at a given index from Json Array. |
+| <code><a href="#@winglang/sdk.std.Json.has">has</a></code> | Checks if a Json object has a given key. |
 | <code><a href="#@winglang/sdk.std.Json.tryAsBool">tryAsBool</a></code> | Convert Json element to boolean if possible. |
 | <code><a href="#@winglang/sdk.std.Json.tryAsNum">tryAsNum</a></code> | Convert Json element to number if possible. |
 | <code><a href="#@winglang/sdk.std.Json.tryAsStr">tryAsStr</a></code> | Convert Json element to string if possible. |
@@ -85,6 +86,22 @@ The index of the element in the Json Array to return.
 
 ---
 
+##### `has` <a name="has" id="@winglang/sdk.std.Json.has"></a>
+
+```wing
+has(key: str): bool
+```
+
+Checks if a Json object has a given key.
+
+###### `key`<sup>Required</sup> <a name="key" id="@winglang/sdk.std.Json.has.parameter.key"></a>
+
+- *Type:* str
+
+The key to check.
+
+---
+
 ##### `tryAsBool` <a name="tryAsBool" id="@winglang/sdk.std.Json.tryAsBool"></a>
 
 ```wing
@@ -149,7 +166,6 @@ The index of the element in the Json Array to return.
 | <code><a href="#@winglang/sdk.std.Json.deepCopyMut">deepCopyMut</a></code> | Creates a mutable deep copy of the Json. |
 | <code><a href="#@winglang/sdk.std.Json.delete">delete</a></code> | Deletes a key in a given Json. |
 | <code><a href="#@winglang/sdk.std.Json.entries">entries</a></code> | Returns the entries from the Json. |
-| <code><a href="#@winglang/sdk.std.Json.has">has</a></code> | Checks if a Json object has a given key. |
 | <code><a href="#@winglang/sdk.std.Json.keys">keys</a></code> | Returns the keys from the Json. |
 | <code><a href="#@winglang/sdk.std.Json.parse">parse</a></code> | Parse a string into a Json. |
 | <code><a href="#@winglang/sdk.std.Json.stringify">stringify</a></code> | Formats Json as string. |
@@ -230,30 +246,6 @@ map to get the entries from.
 
 ---
 
-##### `has` <a name="has" id="@winglang/sdk.std.Json.has"></a>
-
-```wing
-Json.has(json: Json, key: str);
-```
-
-Checks if a Json object has a given key.
-
-###### `json`<sup>Required</sup> <a name="json" id="@winglang/sdk.std.Json.has.parameter.json"></a>
-
-- *Type:* <a href="#@winglang/sdk.std.Json">Json</a>
-
-The json object to inspect.
-
----
-
-###### `key`<sup>Required</sup> <a name="key" id="@winglang/sdk.std.Json.has.parameter.key"></a>
-
-- *Type:* str
-
-The key to check.
-
----
-
 ##### `keys` <a name="keys" id="@winglang/sdk.std.Json.keys"></a>
 
 ```wing
@@ -417,8 +409,10 @@ Mutable Json.
 | <code><a href="#@winglang/sdk.std.MutJson.asBool">asBool</a></code> | Convert Json element to boolean if possible. |
 | <code><a href="#@winglang/sdk.std.MutJson.asNum">asNum</a></code> | Convert Json element to number if possible. |
 | <code><a href="#@winglang/sdk.std.MutJson.asStr">asStr</a></code> | Convert Json element to string if possible. |
+| <code><a href="#@winglang/sdk.std.MutJson.delete">delete</a></code> | Removes the specified element from a map. |
 | <code><a href="#@winglang/sdk.std.MutJson.get">get</a></code> | Returns the value associated with the specified Json key. |
 | <code><a href="#@winglang/sdk.std.MutJson.getAt">getAt</a></code> | Returns a specified element at a given index from MutJson Array. |
+| <code><a href="#@winglang/sdk.std.MutJson.has">has</a></code> | Checks if a Json object has a given key. |
 | <code><a href="#@winglang/sdk.std.MutJson.set">set</a></code> | Adds or updates an element in MutJson with a specific key and value. |
 | <code><a href="#@winglang/sdk.std.MutJson.setAt">setAt</a></code> | Set element in MutJson Array with a specific key and value. |
 | <code><a href="#@winglang/sdk.std.MutJson.tryAsBool">tryAsBool</a></code> | Convert Json element to boolean if possible. |
@@ -453,6 +447,22 @@ asStr(): str
 
 Convert Json element to string if possible.
 
+##### `delete` <a name="delete" id="@winglang/sdk.std.MutJson.delete"></a>
+
+```wing
+delete(key: str): bool
+```
+
+Removes the specified element from a map.
+
+###### `key`<sup>Required</sup> <a name="key" id="@winglang/sdk.std.MutJson.delete.parameter.key"></a>
+
+- *Type:* str
+
+The key.
+
+---
+
 ##### `get` <a name="get" id="@winglang/sdk.std.MutJson.get"></a>
 
 ```wing
@@ -485,6 +495,22 @@ The index of the element in the MutJson Array to return.
 
 ---
 
+##### `has` <a name="has" id="@winglang/sdk.std.MutJson.has"></a>
+
+```wing
+has(key: str): bool
+```
+
+Checks if a Json object has a given key.
+
+###### `key`<sup>Required</sup> <a name="key" id="@winglang/sdk.std.MutJson.has.parameter.key"></a>
+
+- *Type:* str
+
+The key to check.
+
+---
+
 ##### `set` <a name="set" id="@winglang/sdk.std.MutJson.set"></a>
 
 ```wing
diff --git a/examples/tests/sdk_tests/std/json.test.w b/examples/tests/sdk_tests/std/json.test.w
index d8f3b72d474..7339077e79e 100644
--- a/examples/tests/sdk_tests/std/json.test.w
+++ b/examples/tests/sdk_tests/std/json.test.w
@@ -6,8 +6,8 @@ bring cloud;
 test "has()" {
   let obj = Json { key1: 1, key2: 2};
 
-  assert(Json.has(obj, "key1") == true);
-  assert(Json.has(obj, "key3") == false);
+  assert(obj.has("key1") == true);
+  assert(obj.has("key3") == false);
 }
 
 test "get()" {
@@ -178,4 +178,12 @@ test "deepCopy(), deepCopyMut()" {
   assert(copy != copyMut);
 
   assert(copyMut.get("object") == mutation);
+}
+
+test "delete() for MutJson" {
+  let mutObj = MutJson { x: 1, y: 2 };
+  mutObj.delete("x");
+  assert(mutObj.has("x") == false);
+  assert(mutObj.has("y")==true);
+  assert(mutObj.delete("random key that doesn't exist") == true);
 }
\ No newline at end of file
diff --git a/examples/tests/valid/json.test.w b/examples/tests/valid/json.test.w
index fac7da364d5..83d0579264a 100644
--- a/examples/tests/valid/json.test.w
+++ b/examples/tests/valid/json.test.w
@@ -206,7 +206,7 @@ assert(notSpecified.get("foo") == "bar");
 
 // Check that empty {} is a Json
 let empty = {};
-assert(Json.has(empty, "something") == false);
+assert(empty.has("something") == false);
 
 struct Base {
   base: str;
diff --git a/examples/tests/valid/json_static.test.w b/examples/tests/valid/json_static.test.w
index 812a9351d31..360baee950e 100644
--- a/examples/tests/valid/json_static.test.w
+++ b/examples/tests/valid/json_static.test.w
@@ -58,6 +58,6 @@ test "Access Json static inflight" {
 // Check whether some key exists in a json
 test "has key or not" {
   let hasCheck = Json {a: "hello", b: "wing"};
-  assert(Json.has(hasCheck, "a") == true);
-  assert(Json.has(hasCheck, "c") == false);
+  assert(hasCheck.has("a") == true);
+  assert(hasCheck.has("c") == false);
 }
\ No newline at end of file
diff --git a/libs/wingc/src/lsp/snapshots/completions/json_statics.snap b/libs/wingc/src/lsp/snapshots/completions/json_statics.snap
index 365b8c2425c..ad6eb5ddf4c 100644
--- a/libs/wingc/src/lsp/snapshots/completions/json_statics.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/json_statics.snap
@@ -49,18 +49,6 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
-- label: has
-  kind: 2
-  detail: "(json: Json, key: str): bool"
-  documentation:
-    kind: markdown
-    value: "```wing\nstatic has: (json: Json, key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `json` — `Json` — The json object to inspect.\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
-  sortText: ff|has
-  insertText: has($1)
-  insertTextFormat: 2
-  command:
-    title: triggerParameterHints
-    command: editor.action.triggerParameterHints
 - label: keys
   kind: 2
   detail: "(json: any): Array<str>"
diff --git a/libs/wingc/src/lsp/snapshots/completions/mut_json_methods.snap b/libs/wingc/src/lsp/snapshots/completions/mut_json_methods.snap
index c26469afc94..f3a29c0b31e 100644
--- a/libs/wingc/src/lsp/snapshots/completions/mut_json_methods.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/mut_json_methods.snap
@@ -25,6 +25,18 @@ source: libs/wingc/src/lsp/completions.rs
     value: "```wing\nasStr: (): str\n```\n---\nConvert Json element to string if possible.\n\n### Returns\na string."
   sortText: ff|asStr
   insertText: asStr()
+- label: delete
+  kind: 2
+  detail: "(key: str): bool"
+  documentation:
+    kind: markdown
+    value: "```wing\ndelete: (key: str): bool\n```\n---\nRemoves the specified element from a map.\n### Parameters\n- `key` — `str` — The key.\n\n### Returns\ntrue if the given key is no longer present"
+  sortText: ff|delete
+  insertText: delete($1)
+  insertTextFormat: 2
+  command:
+    title: triggerParameterHints
+    command: editor.action.triggerParameterHints
 - label: get
   kind: 2
   detail: "(key: str): MutJson"
@@ -49,6 +61,18 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
+- label: has
+  kind: 2
+  detail: "(key: str): bool"
+  documentation:
+    kind: markdown
+    value: "```wing\nhas: (key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
+  sortText: ff|has
+  insertText: has($1)
+  insertTextFormat: 2
+  command:
+    title: triggerParameterHints
+    command: editor.action.triggerParameterHints
 - label: set
   kind: 2
   detail: "(key: str, value: MutJson): void"
diff --git a/libs/wingc/src/lsp/snapshots/completions/optional_chaining.snap b/libs/wingc/src/lsp/snapshots/completions/optional_chaining.snap
index 9ffa80db684..59086c30f09 100644
--- a/libs/wingc/src/lsp/snapshots/completions/optional_chaining.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/optional_chaining.snap
@@ -49,6 +49,18 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
+- label: has
+  kind: 2
+  detail: "(key: str): bool"
+  documentation:
+    kind: markdown
+    value: "```wing\nhas: (key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
+  sortText: ff|has
+  insertText: has($1)
+  insertTextFormat: 2
+  command:
+    title: triggerParameterHints
+    command: editor.action.triggerParameterHints
 - label: tryAsBool
   kind: 2
   detail: "(): bool?"
diff --git a/libs/wingc/src/lsp/snapshots/completions/optional_chaining_auto.snap b/libs/wingc/src/lsp/snapshots/completions/optional_chaining_auto.snap
index c5129c8a827..ed82e23a65e 100644
--- a/libs/wingc/src/lsp/snapshots/completions/optional_chaining_auto.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/optional_chaining_auto.snap
@@ -94,6 +94,27 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
+- label: has
+  kind: 2
+  detail: "(key: str): bool"
+  documentation:
+    kind: markdown
+    value: "```wing\nhas: (key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
+  sortText: ff|has
+  insertText: has($1)
+  insertTextFormat: 2
+  additionalTextEdits:
+    - range:
+        start:
+          line: 2
+          character: 12
+        end:
+          line: 2
+          character: 13
+      newText: "?."
+  command:
+    title: triggerParameterHints
+    command: editor.action.triggerParameterHints
 - label: tryAsBool
   kind: 2
   detail: "(): bool?"
diff --git a/libs/wingc/src/lsp/snapshots/completions/parentheses_expression.snap b/libs/wingc/src/lsp/snapshots/completions/parentheses_expression.snap
index 9ffa80db684..59086c30f09 100644
--- a/libs/wingc/src/lsp/snapshots/completions/parentheses_expression.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/parentheses_expression.snap
@@ -49,6 +49,18 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
+- label: has
+  kind: 2
+  detail: "(key: str): bool"
+  documentation:
+    kind: markdown
+    value: "```wing\nhas: (key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
+  sortText: ff|has
+  insertText: has($1)
+  insertTextFormat: 2
+  command:
+    title: triggerParameterHints
+    command: editor.action.triggerParameterHints
 - label: tryAsBool
   kind: 2
   detail: "(): bool?"
diff --git a/libs/wingc/src/lsp/snapshots/completions/static_completions_after_expression.snap b/libs/wingc/src/lsp/snapshots/completions/static_completions_after_expression.snap
index 365b8c2425c..ad6eb5ddf4c 100644
--- a/libs/wingc/src/lsp/snapshots/completions/static_completions_after_expression.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/static_completions_after_expression.snap
@@ -49,18 +49,6 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
-- label: has
-  kind: 2
-  detail: "(json: Json, key: str): bool"
-  documentation:
-    kind: markdown
-    value: "```wing\nstatic has: (json: Json, key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `json` — `Json` — The json object to inspect.\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
-  sortText: ff|has
-  insertText: has($1)
-  insertTextFormat: 2
-  command:
-    title: triggerParameterHints
-    command: editor.action.triggerParameterHints
 - label: keys
   kind: 2
   detail: "(json: any): Array<str>"
diff --git a/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression.snap b/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression.snap
index 365b8c2425c..ad6eb5ddf4c 100644
--- a/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression.snap
@@ -49,18 +49,6 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
-- label: has
-  kind: 2
-  detail: "(json: Json, key: str): bool"
-  documentation:
-    kind: markdown
-    value: "```wing\nstatic has: (json: Json, key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `json` — `Json` — The json object to inspect.\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
-  sortText: ff|has
-  insertText: has($1)
-  insertTextFormat: 2
-  command:
-    title: triggerParameterHints
-    command: editor.action.triggerParameterHints
 - label: keys
   kind: 2
   detail: "(json: any): Array<str>"
diff --git a/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression_statement.snap b/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression_statement.snap
index 365b8c2425c..ad6eb5ddf4c 100644
--- a/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression_statement.snap
+++ b/libs/wingc/src/lsp/snapshots/completions/static_json_after_expression_statement.snap
@@ -49,18 +49,6 @@ source: libs/wingc/src/lsp/completions.rs
   command:
     title: triggerParameterHints
     command: editor.action.triggerParameterHints
-- label: has
-  kind: 2
-  detail: "(json: Json, key: str): bool"
-  documentation:
-    kind: markdown
-    value: "```wing\nstatic has: (json: Json, key: str): bool\n```\n---\nChecks if a Json object has a given key.\n### Parameters\n- `json` — `Json` — The json object to inspect.\n- `key` — `str` — The key to check.\n\n### Returns\nBoolean value corresponding to whether the key exists"
-  sortText: ff|has
-  insertText: has($1)
-  insertTextFormat: 2
-  command:
-    title: triggerParameterHints
-    command: editor.action.triggerParameterHints
 - label: keys
   kind: 2
   detail: "(json: any): Array<str>"
diff --git a/libs/wingc/src/lsp/snapshots/hovers/static_method_root.snap b/libs/wingc/src/lsp/snapshots/hovers/static_method_root.snap
index 04e5543ad8d..e1800e030c5 100644
--- a/libs/wingc/src/lsp/snapshots/hovers/static_method_root.snap
+++ b/libs/wingc/src/lsp/snapshots/hovers/static_method_root.snap
@@ -3,7 +3,7 @@ source: libs/wingc/src/lsp/hover.rs
 ---
 contents:
   kind: markdown
-  value: "```wing\nclass Json\n```\n---\nImmutable Json.\n\n### Methods\n- `asBool` — `(): bool` — Convert Json element to boolean if possible.\n- `asNum` — `(): num` — Convert Json element to number if possible.\n- `asStr` — `(): str` — Convert Json element to string if possible.\n- `deepCopy` — `(json: MutJson): Json` — Creates an immutable deep copy of the Json.\n- `deepCopyMut` — `(json: Json): MutJson` — Creates a mutable deep copy of the Json.\n- `delete` — `(json: MutJson, key: str): void` — Deletes a key in a given Json.\n- `entries` — `(json: Json): Array<JsonEntry>` — Returns the entries from the Json.\n- `get` — `(key: str): Json` — Returns the value associated with the specified Json key.\n- `getAt` — `(index: num): Json` — Returns a specified element at a given index from Json Array.\n- `has` — `(json: Json, key: str): bool` — Checks if a Json object has a given key.\n- `keys` — `(json: any): Array<str>` — Returns the keys from the Json.\n- `parse` — `(str: str): Json` — Parse a string into a Json.\n- `stringify` — `(json: any, options: JsonStringifyOptions?): str` — Formats Json as string.\n- `tryAsBool` — `(): bool?` — Convert Json element to boolean if possible.\n- `tryAsNum` — `(): num?` — Convert Json element to number if possible.\n- `tryAsStr` — `(): str?` — Convert Json element to string if possible.\n- `tryGet` — `(key: str): Json?` — Optionally returns an specified element from the Json.\n- `tryGetAt` — `(index: num): Json?` — Optionally returns a specified element at a given index from Json Array.\n- `tryParse` — `(str: str?): Json?` — Try to parse a string into a Json.\n- `values` — `(json: Json): Array<Json>` — Returns the values from the Json."
+  value: "```wing\nclass Json\n```\n---\nImmutable Json.\n\n### Methods\n- `asBool` — `(): bool` — Convert Json element to boolean if possible.\n- `asNum` — `(): num` — Convert Json element to number if possible.\n- `asStr` — `(): str` — Convert Json element to string if possible.\n- `deepCopy` — `(json: MutJson): Json` — Creates an immutable deep copy of the Json.\n- `deepCopyMut` — `(json: Json): MutJson` — Creates a mutable deep copy of the Json.\n- `delete` — `(json: MutJson, key: str): void` — Deletes a key in a given Json.\n- `entries` — `(json: Json): Array<JsonEntry>` — Returns the entries from the Json.\n- `get` — `(key: str): Json` — Returns the value associated with the specified Json key.\n- `getAt` — `(index: num): Json` — Returns a specified element at a given index from Json Array.\n- `has` — `(key: str): bool` — Checks if a Json object has a given key.\n- `keys` — `(json: any): Array<str>` — Returns the keys from the Json.\n- `parse` — `(str: str): Json` — Parse a string into a Json.\n- `stringify` — `(json: any, options: JsonStringifyOptions?): str` — Formats Json as string.\n- `tryAsBool` — `(): bool?` — Convert Json element to boolean if possible.\n- `tryAsNum` — `(): num?` — Convert Json element to number if possible.\n- `tryAsStr` — `(): str?` — Convert Json element to string if possible.\n- `tryGet` — `(key: str): Json?` — Optionally returns an specified element from the Json.\n- `tryGetAt` — `(index: num): Json?` — Optionally returns a specified element at a given index from Json Array.\n- `tryParse` — `(str: str?): Json?` — Try to parse a string into a Json.\n- `values` — `(json: Json): Array<Json>` — Returns the values from the Json."
 range:
   start:
     line: 1
diff --git a/libs/wingsdk/src/std/json.ts b/libs/wingsdk/src/std/json.ts
index 2a7673107d5..26a08e70a5a 100644
--- a/libs/wingsdk/src/std/json.ts
+++ b/libs/wingsdk/src/std/json.ts
@@ -155,24 +155,20 @@ export class Json {
     str;
     throw new Error("Macro");
   }
-
+  private constructor() {}
   /**
    * Checks if a Json object has a given key
    *
-   * @macro ((json, key) => { return json.hasOwnProperty(key); })($args$)
+   * @macro ((obj, key) => { return obj.hasOwnProperty(key); })($self$,$args$)
    *
-   * @param json The json object to inspect
    * @param key The key to check
    * @returns Boolean value corresponding to whether the key exists
    */
-  public static has(json: Json, key: string): boolean {
-    json;
+  public has(key: string): boolean {
     key;
     throw new Error("Macro");
   }
 
-  private constructor() {}
-
   /**
    * Returns the value associated with the specified Json key
    *
@@ -453,4 +449,31 @@ export class MutJson {
   public tryAsBool(): boolean | undefined {
     throw new Error("Macro");
   }
+
+  /**
+   * Removes the specified element from a map.
+   *
+   * @macro (delete ($self$)[$args$])
+   *
+   * @param key The key
+   * @returns true if the given key is no longer present
+   */
+
+  public delete(key: string): boolean {
+    key;
+    throw new Error("Macro");
+  }
+
+  /**
+   * Checks if a Json object has a given key
+   *
+   * @macro ((obj, key) => { return obj.hasOwnProperty(key); })($self$,$args$)
+   *
+   * @param key The key to check
+   * @returns Boolean value corresponding to whether the key exists
+   */
+  public has(key: string): boolean {
+    key;
+    throw new Error("Macro");
+  }
 }
diff --git a/tools/hangar/__snapshots__/test_corpus/sdk_tests/std/json.test.w_test_sim.md b/tools/hangar/__snapshots__/test_corpus/sdk_tests/std/json.test.w_test_sim.md
index 42f62dffa96..1ff2de3e9ea 100644
--- a/tools/hangar/__snapshots__/test_corpus/sdk_tests/std/json.test.w_test_sim.md
+++ b/tools/hangar/__snapshots__/test_corpus/sdk_tests/std/json.test.w_test_sim.md
@@ -4,6 +4,7 @@
 ```log
 pass ─ json.test.wsim » root/env0/test:has()                      
 pass ─ json.test.wsim » root/env1/test:get()                      
+pass ─ json.test.wsim » root/env10/test:delete() for MutJson      
 pass ─ json.test.wsim » root/env2/test:getAt()                    
 pass ─ json.test.wsim » root/env3/test:set()                      
 pass ─ json.test.wsim » root/env4/test:setAt()                    
@@ -13,7 +14,7 @@ pass ─ json.test.wsim » root/env7/test:parse()
 pass ─ json.test.wsim » root/env8/test:tryParse()                 
 pass ─ json.test.wsim » root/env9/test:deepCopy(), deepCopyMut()  
 
-Tests 10 passed (10)
+Tests 11 passed (11)
 Snapshots 1 skipped
 Test Files 1 passed (1)
 Duration <DURATION>
diff --git a/tools/hangar/__snapshots__/test_corpus/valid/json.test.w_compile_tf-aws.md b/tools/hangar/__snapshots__/test_corpus/valid/json.test.w_compile_tf-aws.md
index 4190779ac7e..930a2c339f1 100644
--- a/tools/hangar/__snapshots__/test_corpus/valid/json.test.w_compile_tf-aws.md
+++ b/tools/hangar/__snapshots__/test_corpus/valid/json.test.w_compile_tf-aws.md
@@ -210,7 +210,7 @@ class $Root extends $stdlib.std.Resource {
     const notSpecified = ({"foo": "bar"});
     $helpers.assert($helpers.eq(((obj, args) => { if (obj[args] === undefined) throw new Error(`Json property "${args}" does not exist`); return obj[args] })(notSpecified, "foo"), "bar"), "notSpecified.get(\"foo\") == \"bar\"");
     const empty = ({});
-    $helpers.assert($helpers.eq(((json, key) => { return json.hasOwnProperty(key); })(empty, "something"), false), "Json.has(empty, \"something\") == false");
+    $helpers.assert($helpers.eq(((obj, key) => { return obj.hasOwnProperty(key); })(empty,"something"), false), "empty.has(\"something\") == false");
     const arrayStruct = [({"foo": "", "stuff": []})];
     const setStruct = new Set([({"foo": "", "stuff": []})]);
     const mapStruct = ({["1"]: ({"foo": "", "stuff": []})});
diff --git a/tools/hangar/__snapshots__/test_corpus/valid/json_static.test.w_compile_tf-aws.md b/tools/hangar/__snapshots__/test_corpus/valid/json_static.test.w_compile_tf-aws.md
index 5001699ac15..cbef2880146 100644
--- a/tools/hangar/__snapshots__/test_corpus/valid/json_static.test.w_compile_tf-aws.md
+++ b/tools/hangar/__snapshots__/test_corpus/valid/json_static.test.w_compile_tf-aws.md
@@ -25,7 +25,7 @@ module.exports = function({ $jj, $std_Json }) {
 ```cjs
 "use strict";
 const $helpers = require("@winglang/sdk/lib/helpers");
-module.exports = function({ $std_Json }) {
+module.exports = function({  }) {
   class $Closure2 {
     constructor({  }) {
       const $obj = (...args) => this.handle(...args);
@@ -34,8 +34,8 @@ module.exports = function({ $std_Json }) {
     }
     async handle() {
       const hasCheck = ({"a": "hello", "b": "wing"});
-      $helpers.assert($helpers.eq(((json, key) => { return json.hasOwnProperty(key); })(hasCheck, "a"), true), "Json.has(hasCheck, \"a\") == true");
-      $helpers.assert($helpers.eq(((json, key) => { return json.hasOwnProperty(key); })(hasCheck, "c"), false), "Json.has(hasCheck, \"c\") == false");
+      $helpers.assert($helpers.eq(((obj, key) => { return obj.hasOwnProperty(key); })(hasCheck,"a"), true), "hasCheck.has(\"a\") == true");
+      $helpers.assert($helpers.eq(((obj, key) => { return obj.hasOwnProperty(key); })(hasCheck,"c"), false), "hasCheck.has(\"c\") == false");
     }
   }
   return $Closure2;
@@ -121,7 +121,6 @@ class $Root extends $stdlib.std.Resource {
       static _toInflightType() {
         return `
           require("${$helpers.normalPath(__dirname)}/inflight.$Closure2-1.cjs")({
-            $std_Json: ${$stdlib.core.liftObject($stdlib.core.toLiftableModuleType(std.Json, "@winglang/sdk/std", "Json"))},
           })
         `;
       }