diff --git a/README.md b/README.md
index a1280de..a798ee1 100644
--- a/README.md
+++ b/README.md
@@ -165,53 +165,6 @@ The `head` object also offers callbacks for configuring head merging specifics.
 All the behaviors specified above can be set to a different default by mutating the `Idiomorph.defaults` object, including
 the `Idiomorph.defaults.callbacks` and `Idiomorph.defaults.head` objects.
 
-### htmx
-
-Idiomorph was created to integrate with [htmx](https://htmx.org) and can be used as a swapping mechanism by including
-the `dist/idiomorph-ext.js` file in your HTML:
-
-```html
-<script src="https://unpkg.com/idiomorph/dist/idiomorph-ext.min.js"></script>
-<div hx-ext="morph">
-    
-    <button hx-get="/example" hx-swap="morph:innerHTML">
-        Morph My Inner HTML
-    </button>
-
-    <button hx-get="/example" hx-swap="morph:outerHTML">
-        Morph My Outer HTML
-    </button>
-    
-    <button hx-get="/example" hx-swap="morph">
-        Morph My Outer HTML
-    </button>
-    
-</div>
-```
-
-Note that this file includes both Idiomorph and the htmx extension.
-
-#### Configuring Morphing Behavior in htmx
-
-The Idiomorph extension for htmx supports three different syntaxes for specifying behavior:
-
-* `hx-swap='morph'` - This will perform a morph on the outerHTML of the target
-* `hx-swap='morph:outerHTML'` - This will perform a morph on the outerHTML of the target (explicit)
-* `hx-swap='morph:innerHTML'` - This will perform a morph on the innerHTML of the target (i.e. the children)
-* `hx-swap='morph:<expr>'` - In this form, `<expr>` can be any valid JavaScript expression.  The results of the expression
-   will be passed into the `Idiomorph.morph()` method as the configuration.
-
-The last form gives you access to all the configuration options of Idiomorph.  So, for example, if you wanted to ignore
-the input value in a given morph, you could use the following swap specification:
-
-```html
-  <button hx-get="/example" 
-          hx-swap="morph:{ignoreActiveValue:true}"
-          hx-target="closest form">
-      Morph The Closest Form But Ignore The Active Input Value
-  </button>
-```
-
 ## Performance
 
 Idiomorph is not designed to be as fast as either morphdom or nanomorph.  Rather, its goals are:
diff --git a/package.json b/package.json
index 832006e..e7a0af3 100644
--- a/package.json
+++ b/package.json
@@ -36,8 +36,8 @@
     "cjs": "(cat src/idiomorph.js && echo \"\nmodule.exports = Idiomorph;\") > dist/idiomorph.cjs.js",
     "esm": "(cat src/idiomorph.js && echo \"\nexport {Idiomorph};\") > dist/idiomorph.esm.js",
     "gen-modules": "npm run-script amd && npm run-script cjs && npm run-script esm",
-    "dist": "cp -r src/* dist/ && cat src/idiomorph.js src/idiomorph-htmx.js > dist/idiomorph-ext.js && npm run-script gen-modules && npm run-script uglify && gzip -9 -k -f dist/idiomorph.min.js > dist/idiomorph.min.js.gz && exit",
-    "uglify": "uglifyjs -m eval -o dist/idiomorph.min.js dist/idiomorph.js && uglifyjs -m eval -o dist/idiomorph-ext.min.js dist/idiomorph-ext.js",
+    "dist": "cp -r src/* dist/ && npm run gen-modules && npm run uglify && gzip -9 -k -f dist/idiomorph.min.js > dist/idiomorph.min.js.gz && exit",
+    "uglify": "uglifyjs -m eval -o dist/idiomorph.min.js dist/idiomorph.js",
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "typecheck": "tsc"
@@ -53,7 +53,6 @@
     "chai-dom": "^1.11.0",
     "chromedriver": "^131.0.5",
     "fs-extra": "^9.1.0",
-    "htmx.org": "1.9.9",
     "lcov-parse": "^1.0.0",
     "mocha": "^11.0.1",
     "prettier": "^3.4.2",
diff --git a/src/idiomorph-htmx.js b/src/idiomorph-htmx.js
deleted file mode 100644
index cabbe5d..0000000
--- a/src/idiomorph-htmx.js
+++ /dev/null
@@ -1,24 +0,0 @@
-(function () {
-  function createMorphConfig(swapStyle) {
-    if (swapStyle === "morph" || swapStyle === "morph:outerHTML") {
-      return { morphStyle: "outerHTML" };
-    } else if (swapStyle === "morph:innerHTML") {
-      return { morphStyle: "innerHTML" };
-    } else if (swapStyle.startsWith("morph:")) {
-      return Function("return (" + swapStyle.slice(6) + ")")();
-    }
-  }
-
-  htmx.defineExtension("morph", {
-    isInlineSwap: function (swapStyle) {
-      let config = createMorphConfig(swapStyle);
-      return config?.morphStyle === "outerHTML" || config?.morphStyle == null;
-    },
-    handleSwap: function (swapStyle, target, fragment) {
-      let config = createMorphConfig(swapStyle);
-      if (config) {
-        return Idiomorph.morph(target, fragment.children, config);
-      }
-    },
-  });
-})();
diff --git a/test/htmx-integration.js b/test/htmx-integration.js
deleted file mode 100644
index eb5b8fe..0000000
--- a/test/htmx-integration.js
+++ /dev/null
@@ -1,186 +0,0 @@
-describe("Tests for the htmx integration", function () {
-  function makeServer() {
-    var server = sinon.fakeServer.create();
-    htmx.config.defaultSettleDelay = 0;
-    server.fakeHTTPMethods = true;
-    return server;
-  }
-
-  beforeEach(function () {
-    this.server = makeServer();
-    clearWorkArea();
-  });
-
-  afterEach(function () {
-    this.server.restore();
-  });
-
-  function makeForHtmxTest(htmlStr) {
-    let elt = make(htmlStr);
-    getWorkArea().appendChild(elt);
-    htmx.process(elt);
-    return elt;
-  }
-
-  it("keeps the element stable in an outer morph", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' hx-swap='morph' hx-get='/test' class='bar'>Foo</button>",
-    );
-    let initialBtn = makeForHtmxTest(
-      "<button id='b1' hx-swap='morph' hx-get='/test'>Foo</button>",
-    );
-    initialBtn.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-  });
-
-  it("keeps the element live in an outer morph", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' hx-swap='morph' hx-get='/test2' class='bar'>Foo</button>",
-    );
-    this.server.respondWith(
-      "GET",
-      "/test2",
-      "<button id='b1' hx-swap='morph' hx-get='/test3' class='doh'>Foo</button>",
-    );
-    let initialBtn = makeForHtmxTest(
-      "<button id='b1' hx-swap='morph' hx-get='/test'>Foo</button>",
-    );
-
-    initialBtn.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-    initialBtn.classList.contains("doh").should.equal(false);
-
-    initialBtn.click();
-    this.server.respond();
-    newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(false);
-    initialBtn.classList.contains("doh").should.equal(true);
-  });
-
-  it("keeps the element stable in an outer morph w/ explicit syntax", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' hx-swap='morph:outerHTML' hx-get='/test' class='bar'>Foo</button>",
-    );
-    let initialBtn = makeForHtmxTest(
-      "<button id='b1' hx-swap='morph:outerHTML' hx-get='/test'>Foo</button>",
-    );
-    initialBtn.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-  });
-
-  it("keeps the element live in an outer morph w/explicit syntax", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' hx-swap='morph:outerHTML' hx-get='/test2' class='bar'>Foo</button>",
-    );
-    this.server.respondWith(
-      "GET",
-      "/test2",
-      "<button id='b1' hx-swap='morph:outerHTML' hx-get='/test3' class='doh'>Foo</button>",
-    );
-    let initialBtn = makeForHtmxTest(
-      "<button id='b1' hx-swap='morph:outerHTML' hx-get='/test'>Foo</button>",
-    );
-
-    initialBtn.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-    initialBtn.classList.contains("doh").should.equal(false);
-
-    initialBtn.click();
-    this.server.respond();
-    newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(false);
-    initialBtn.classList.contains("doh").should.equal(true);
-  });
-
-  it("keeps elements stable in an inner morph", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' class='bar'>Foo</button>",
-    );
-    let div = makeForHtmxTest(
-      "<div hx-swap='morph:innerHTML' hx-get='/test'><button id='b1'>Foo</button></div>",
-    );
-    let initialBtn = document.getElementById("b1");
-    div.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-  });
-
-  it("keeps elements stable in an inner morph w/ long syntax", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' class='bar'>Foo</button>",
-    );
-    let div = makeForHtmxTest(
-      "<div hx-swap='morph:{morphStyle:\"innerHTML\"}' hx-get='/test'><button id='b1'>Foo</button></div>",
-    );
-    let initialBtn = document.getElementById("b1");
-    div.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.classList.contains("bar").should.equal(true);
-  });
-
-  it("keeps the element stable in an outer morph with oob-swap", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<button id='b1' hx-swap-oob='morph'>Bar</button>",
-    );
-    let div = makeForHtmxTest(
-      "<div hx-get='/test' hx-swap='none'><button id='b1'>Foo</button></div>",
-    );
-    let initialBtn = document.getElementById("b1");
-    div.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.innerHTML.should.equal("Bar");
-  });
-
-  /* Currently unable to test innerHTML style oob swaps because oob-swap syntax uses a : which conflicts with morph:innerHTML
-  it("keeps the element stable in an inner morph with oob-swap", function () {
-    this.server.respondWith(
-      "GET",
-      "/test",
-      "<div id='d1' hx-swap-oob='morph:innerHTML'><button id='b1'>Bar</button></button>",
-    );
-    let div = makeForHtmxTest(
-      "<div id='d1' hx-get='/test' hx-swap='none'><button id='b1'>Foo</button></div>",
-    );
-    let initialBtn = document.getElementById("b1");
-    div.click();
-    this.server.respond();
-    let newBtn = document.getElementById("b1");
-    initialBtn.should.equal(newBtn);
-    initialBtn.innerHTML.should.equal("Bar");
-  });
-  */
-});
diff --git a/test/htmx/above.html b/test/htmx/above.html
deleted file mode 100644
index ffba0c3..0000000
--- a/test/htmx/above.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<div>
-    <h3>Above...</h3>
-    <p>
-        <button hx-get="below.html">Move Below</button>
-    </p>
-</div>
-<div>
-    <iframe id="video" width="422" height="240" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
-            title="Rick Astley - Never Gonna Give You Up (Official Music Video)" frameborder="0"
-            allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-            allowfullscreen></iframe>
-</div>
\ No newline at end of file
diff --git a/test/htmx/below.html b/test/htmx/below.html
deleted file mode 100644
index 751f9f2..0000000
--- a/test/htmx/below.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<div>
-    <iframe id="video" width="422" height="240" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
-            title="Rick Astley - Never Gonna Give You Up (Official Music Video)" frameborder="0"
-            allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-            allowfullscreen></iframe>
-</div>
-<div>
-    <h3>Below...</h3>
-    <p>
-        <button hx-get="above.html">Move Above</button>
-    </p>
-</div>
\ No newline at end of file
diff --git a/test/htmx/htmx-demo.html b/test/htmx/htmx-demo.html
deleted file mode 100644
index 445038b..0000000
--- a/test/htmx/htmx-demo.html
+++ /dev/null
@@ -1,138 +0,0 @@
-<html lang="en">
-<head>
-    <title>htmx/idiomorph demo</title>
-    <script src="https://unpkg.com/htmx.org"></script>
-    <script src="https://unpkg.com/hyperscript.org"></script>
-    <script src="../../src/idiomorph.js"></script>
-    <script src="../../src/idiomorph-htmx.js" defer></script>
-    <script>(function(){
-
-        function addScript(url) {
-            var myScript = document.createElement('script');
-            myScript.setAttribute('src', url);
-            document.head.appendChild(myScript);
-        }
-
-        function interpolate(str, params) {
-            try {
-                var escapedCode = str.replace(/`/, '\\`');
-                return eval(
-                    `env => { with (env) { return \`${escapedCode}\` } }`
-                )(params)
-            } catch (e) {
-                log('demo:response-error', "An error occured during a mock response", e);
-                return e.message;
-            }
-        }
-
-        function log(name, message) {
-            console.log("@ " + new Date().valueOf() + " - ", ...arguments);
-            var event = new Event(name, {name:name, info:arguments});
-            if (document.body) {
-                document.body.dispatchEvent(event);
-            }
-        }
-
-        function initHtmxAndHyperscript() {
-            if (typeof htmx === "undefined" || typeof _hyperscript === "undefined") {
-                setTimeout(initHtmxAndHyperscript, 20);
-            } else {
-                enableThings();
-                log('demo:ready', "the demo environment is ready");
-            }
-        }
-
-        var DISABLEABLE_ELTS = "button, command, fieldset, keygen, optgroup, option, select, textarea, input";
-        function disableThings() {
-            log('demo:disabling-elts', "disabling elements");
-            document.querySelectorAll(DISABLEABLE_ELTS).forEach(function(elt){
-                elt.setAttribute("data-was-disabled", elt.hasAttribute('disabled'));
-                elt.setAttribute("disabled", "true");
-            })
-        }
-
-        function enableThings() {
-            log('demo:enabling-elts', "enabling elements");
-            document.querySelectorAll(DISABLEABLE_ELTS).forEach(function(elt){
-                if (elt.getAttribute("data-was-disabled") == "false") {
-                    elt.removeAttribute("disabled");
-                }
-            })
-        }
-
-        function initMockRequests() {
-            if(typeof MockRequests === "undefined") {
-                // console.log("Not defined yet");
-                setTimeout(initMockRequests, 20);
-            } else {
-
-                log('demo:mock-request-loaded', "mock-request library loaded, mocking requests and loading htmx & hyperscript")
-
-                //-----------------------------------------------------------------
-                // mock requests based on template tags
-                //-----------------------------------------------------------------
-                document.querySelectorAll("template").forEach(function(elt){
-                    if(elt.getAttribute("url")){
-                        var configDelay = elt.getAttribute("delay");
-                        if (configDelay) {
-                            var delay = Number.parseInt(configDelay);
-                        }
-                        MockRequests.setDynamicMockUrlResponse(elt.getAttribute("url"),
-                            {dynamicResponseModFn:
-                                    function(request, response, parameters) {
-                                        log("demo:request", "A mock request was made: ", request, response, parameters)
-                                        return interpolate(elt.innerHTML, { ...parameters, ...Object.fromEntries(new URLSearchParams(request)) });
-                                    },
-                                delay: delay,
-                                usePathnameForAllQueries: true});
-                    }
-                });
-
-                log('demo:htmx-loading', "loading htmx & hyperscript...")
-                initHtmxAndHyperscript();
-            }
-        }
-
-        document.addEventListener('DOMContentLoaded', function () {
-            disableThings();
-            log('demo:mock-request-loading', "loading mock-request library...")
-            addScript("https://unpkg.com/mock-requests@1.3.2/index.js");
-            initMockRequests();
-        }, false);
-    })();
-    </script>
-</head>
-<body>
-
-<button hx-get="/demo" hx-target="#workarea" hx-ext="morph" hx-swap="morph">
-    Merge It
-</button>
-
-<div id="workarea">
-    <div>
-        <h3>Above...</h3>
-    </div>
-    <div>
-        <iframe id="video" width="422" height="240" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
-                title="Rick Astley - Never Gonna Give You Up (Official Music Video)" frameborder="0"
-                allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-                allowfullscreen></iframe>
-    </div>
-</div>
-
-<template url="/demo">
-<div>
-    <div>
-        <iframe id="video" width="422" height="240" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
-                title="Rick Astley - Never Gonna Give You Up (Official Music Video)" frameborder="0"
-                allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-                allowfullscreen></iframe>
-    </div>
-    <div>
-        <h3>Below...</h3>
-    </div>
-</div>
-
-</template>
-</body>
-</html>
\ No newline at end of file
diff --git a/test/htmx/htmx-demo2.html b/test/htmx/htmx-demo2.html
deleted file mode 100644
index 60b3870..0000000
--- a/test/htmx/htmx-demo2.html
+++ /dev/null
@@ -1,23 +0,0 @@
-<html>
-<body>
-<script src="https://unpkg.com/htmx.org@1.8.0/dist/htmx.js"></script>
-<script src="/src/idiomorph.js"></script>
-<script src="/src/idiomorph-htmx.js"></script>
-
-<div hx-target="this" hx-swap="morph:innerHTML" hx-ext="morph">
-    <div>
-        <h3>Above...</h3>
-        <p>
-            <button hx-get="below.html">Move Below</button>
-        </p>
-    </div>
-    <div>
-        <iframe id="video" width="422" height="240" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
-                title="Rick Astley - Never Gonna Give You Up (Official Music Video)" frameborder="0"
-                allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-                allowfullscreen></iframe>
-    </div>
-</div>
-
-</body>
-</html>
\ No newline at end of file
diff --git a/test/index.html b/test/index.html
index f835d73..f74a747 100644
--- a/test/index.html
+++ b/test/index.html
@@ -23,11 +23,9 @@ <h2>Mocha Test Suite</h2>
     <script src="../node_modules/chai-dom/chai-dom.js"></script>
     <script src="../node_modules/mocha/mocha.js"></script>
     <script src="../node_modules/sinon/pkg/sinon.js"></script>
-    <script src="../node_modules/htmx.org/dist/htmx.js"></script>
 
     <script src="../src/idiomorph.js"></script>
     <script src="./lib/morphdom.js"></script>
-    <script src="../src/idiomorph-htmx.js"></script>
 
     <script class="mocha-init">
       mocha.setup("bdd");
@@ -43,7 +41,6 @@ <h2>Mocha Test Suite</h2>
     <script src="fidelity.js"></script>
     <script src="head.js"></script>
     <script src="hooks.js"></script>
-    <script src="htmx-integration.js"></script>
     <script src="ops.js"></script>
     <script src="preserve-focus.js"></script>
     <script src="restore-focus.js"></script>
@@ -53,7 +50,7 @@ <h2>Mocha Test Suite</h2>
 
     <em>Work Area</em>
     <hr />
-    <pre id="work-area" hx-ext="morph">
+    <pre id="work-area">
       Output Here...
     </pre>
 
diff --git a/web-test-runner.config.mjs b/web-test-runner.config.mjs
index 70b3431..bf96b53 100644
--- a/web-test-runner.config.mjs
+++ b/web-test-runner.config.mjs
@@ -19,8 +19,6 @@ let config = {
       <script src="/node_modules/sinon/pkg/sinon.js"></script>
 
       <script src="/src/idiomorph.js"></script>
-      <script src="/node_modules/htmx.org/dist/htmx.js"></script>
-      <script src="/src/idiomorph-htmx.js"></script>
       <script src="/test/lib/morphdom.js"></script>
 
       <script type="module" src="${testFramework}"></script>
@@ -28,7 +26,7 @@ let config = {
     <body>
       <em>Work Area</em>
       <hr/>
-      <pre id="work-area" hx-ext="morph">
+      <pre id="work-area">
         Output Here...
       </pre>
     </body>