diff --git a/javascript/extractor/test/com/semmle/js/extractor/test/AutoBuildTests.java b/javascript/extractor/test/com/semmle/js/extractor/test/AutoBuildTests.java
index 5bbb0bb292e..b972355d91d 100644
--- a/javascript/extractor/test/com/semmle/js/extractor/test/AutoBuildTests.java
+++ b/javascript/extractor/test/com/semmle/js/extractor/test/AutoBuildTests.java
@@ -195,15 +195,6 @@ public class AutoBuildTests {
 
   @Test
   public void typescript() throws IOException {
-    envVars.put("LGTM_INDEX_TYPESCRIPT", "basic");
-    addFile(true, LGTM_SRC, "tst.ts");
-    addFile(true, LGTM_SRC, "tst.tsx");
-    runTest();
-  }
-
-  @Test(expected = UserError.class)
-  public void typescriptWrongConfig() throws IOException {
-    envVars.put("LGTM_INDEX_TYPESCRIPT", "true");
     addFile(true, LGTM_SRC, "tst.ts");
     addFile(true, LGTM_SRC, "tst.tsx");
     runTest();
@@ -212,7 +203,6 @@ public class AutoBuildTests {
   @Test
   public void skipJsFilesDerivedFromTypeScriptFiles() throws IOException {
     // JS-derived files (.js, .cjs, .mjs, .jsx, .cjsx, .mjsx) should be skipped when TS indexing
-    envVars.put("LGTM_INDEX_TYPESCRIPT", "basic");
     // Add TypeScript sources
     addFile(true, LGTM_SRC, "foo.ts");
     addFile(true, LGTM_SRC, "bar.tsx");
@@ -230,7 +220,6 @@ public class AutoBuildTests {
 
   @Test
   public void skipFilesInTsconfigOutDir() throws IOException {
-    envVars.put("LGTM_INDEX_TYPESCRIPT", "basic");
     // Files under outDir in tsconfig.json should be excluded
     // Create tsconfig.json with outDir set to "dist"
     addFile(true, LGTM_SRC, "tsconfig.json");
@@ -511,15 +500,6 @@ public class AutoBuildTests {
     runTest();
   }
 
-  @Test
-  public void noTypescriptExtraction() throws IOException {
-    envVars.put("LGTM_INDEX_TYPESCRIPT", "none");
-    addFile(false, LGTM_SRC, "tst.ts");
-    addFile(false, LGTM_SRC, "sub.js", "tst.ts");
-    addFile(false, LGTM_SRC, "tst.js.ts");
-    runTest();
-  }
-
   @Test
   public void includeNonExistentFile() throws IOException {
     envVars.put("LGTM_INDEX_INCLUDE", "tst.js");