diff --git a/__tests__/binary.js b/__tests__/binary.js
index bf621e7..3b74f62 100644
--- a/__tests__/binary.js
+++ b/__tests__/binary.js
@@ -1,7 +1,7 @@
 import { transform } from "babel-core"
 import buildPreset from "../src"
 
-const options = buildPreset(null, { target: "binary" })
+const options = buildPreset(null, { target: "binary", sourceMaps: false })
 
 // Keep formatting for tests (to keep output/diffs readable)
 options.minified = false
diff --git a/__tests__/es2015.js b/__tests__/es2015.js
index 319b548..e4ef185 100644
--- a/__tests__/es2015.js
+++ b/__tests__/es2015.js
@@ -1,7 +1,7 @@
 import { transform } from "babel-core"
 import buildPreset from "../src"
 
-const options = buildPreset(null, { modules: false, target: "es2015" })
+const options = buildPreset(null, { modules: false, target: "es2015", sourceMaps: false })
 
 // Keep formatting for tests (to keep output/diffs readable)
 options.minified = false
diff --git a/__tests__/ie11.js b/__tests__/ie11.js
index 65689f6..c4348de 100644
--- a/__tests__/ie11.js
+++ b/__tests__/ie11.js
@@ -1,7 +1,7 @@
 import { transform } from "babel-core"
 import buildPreset from "../src"
 
-const options = buildPreset(null, { modules: false, target: { browsers: "ie 11" } })
+const options = buildPreset(null, { modules: false, target: { browsers: "ie 11" }, sourceMaps: false })
 
 // Keep formatting for tests (to keep output/diffs readable)
 options.minified = false
diff --git a/__tests__/node8.js b/__tests__/node8.js
index a870b68..2dcb665 100644
--- a/__tests__/node8.js
+++ b/__tests__/node8.js
@@ -1,7 +1,7 @@
 import { transform } from "babel-core"
 import buildPreset from "../src"
 
-const options = buildPreset(null, { modules: false, target: { node: "8.0.0" } })
+const options = buildPreset(null, { modules: false, target: { node: "8.0.0" }, sourceMaps: false })
 
 // Keep formatting for tests (to keep output/diffs readable)
 options.minified = false