diff --git a/package-lock.json b/package-lock.json
index 88f25bc1f..9c465be94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5461,6 +5461,41 @@
 				}
 			}
 		},
+		"@rollup/plugin-replace": {
+			"version": "2.3.3",
+			"resolved": "https://registry.npmjs.org/@rollup/plugin-replace/-/plugin-replace-2.3.3.tgz",
+			"integrity": "sha512-XPmVXZ7IlaoWaJLkSCDaa0Y6uVo5XQYHhiMFzOd5qSv5rE+t/UJToPIOE56flKIxBFQI27ONsxb7dqHnwSsjKQ==",
+			"dev": true,
+			"requires": {
+				"@rollup/pluginutils": "^3.0.8",
+				"magic-string": "^0.25.5"
+			}
+		},
+		"@rollup/pluginutils": {
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.1.0.tgz",
+			"integrity": "sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==",
+			"dev": true,
+			"requires": {
+				"@types/estree": "0.0.39",
+				"estree-walker": "^1.0.1",
+				"picomatch": "^2.2.2"
+			},
+			"dependencies": {
+				"@types/estree": {
+					"version": "0.0.39",
+					"resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
+					"integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==",
+					"dev": true
+				},
+				"estree-walker": {
+					"version": "1.0.1",
+					"resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-1.0.1.tgz",
+					"integrity": "sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==",
+					"dev": true
+				}
+			}
+		},
 		"@tootallnate/once": {
 			"version": "1.1.2",
 			"resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
diff --git a/package.json b/package.json
index 547868e0c..7e7ea2155 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "@commitlint/config-lerna-scopes": "^11.0.0",
     "@ebay/browserslist-config": "^1.0.1",
     "@istanbuljs/nyc-config-typescript": "^0.1.3",
+    "@rollup/plugin-replace": "2.3.3",
     "@types/jsdom": "^12.2.4",
     "@types/mocha": "^5.2.7",
     "@types/node": "^12.7.3",
diff --git a/packages/runtime/rollup.config.js b/packages/runtime/rollup.config.js
index 03a206937..cf1b6ea3e 100644
--- a/packages/runtime/rollup.config.js
+++ b/packages/runtime/rollup.config.js
@@ -1,6 +1,7 @@
 import typescript from "rollup-plugin-typescript2";
 import { terser } from "rollup-plugin-terser";
 import mangleInternal from "../../utilities/rollup-plugin-mangle-internal";
+import replace from "@rollup/plugin-replace";
 import fs from "fs";
 
 const sizeOnly = process.env.SIZE;
@@ -26,6 +27,11 @@ export default envs.flatMap(env =>
           compilerOptions: { declaration: false, emitDeclarationOnly: false }
         }
       }),
+      env === "dist" &&
+        replace({
+          '"MARKO_DEBUG"': false,
+          delimiters: ["", ""]
+        }),
       env === "dist" && mangleInternal(),
       env === "dist" &&
         terser({