diff --git a/docs/reference/igt-gpu-tools/igt_test_programs.xml b/docs/reference/igt-gpu-tools/igt_test_programs.xml
index 2487da79588bfe797aeb848fa6804693d781eb50..b64ba474a5f741965b65c69bc87cd647f8f5c4a5 100644
--- a/docs/reference/igt-gpu-tools/igt_test_programs.xml
+++ b/docs/reference/igt-gpu-tools/igt_test_programs.xml
@@ -81,11 +81,6 @@
               <entry>77</entry>
               <entry>The test was skipped</entry>
             </row>
-            <row>
-              <entry>#IGT_EXIT_TIMEOUT</entry>
-              <entry>78</entry>
-              <entry>The test took longer than expected and was stopped</entry>
-            </row>
             <row>
               <entry>#IGT_EXIT_INVALID</entry>
               <entry>79</entry>
diff --git a/lib/igt_core.c b/lib/igt_core.c
index b59bb81eef05b8dcff3e3a55a6d4fe714be6e00b..71b05d3bbd3b92f062ee5e2b8abe0fc6a190770d 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -1135,10 +1135,7 @@ void igt_fail(int exitcode)
 	_igt_log_buffer_dump();
 
 	if (in_subtest) {
-		if (exitcode == IGT_EXIT_TIMEOUT)
-			exit_subtest("TIMEOUT");
-		else
-			exit_subtest("FAIL");
+		exit_subtest("FAIL");
 	} else {
 		assert(igt_can_fail());
 
@@ -1541,9 +1538,6 @@ void igt_exit(void)
 			case IGT_EXIT_SUCCESS:
 				result = "SUCCESS";
 				break;
-			case IGT_EXIT_TIMEOUT:
-				result = "TIMEOUT";
-				break;
 			case IGT_EXIT_SKIP:
 				result = "SKIP";
 				break;
diff --git a/lib/igt_core.h b/lib/igt_core.h
index 46bc935a428c41ab930e40b613fa7411347c7037..47ffd9e773084d87e83b3fa35f244b9f4bb1372f 100644
--- a/lib/igt_core.h
+++ b/lib/igt_core.h
@@ -93,13 +93,6 @@ extern char *igt_frame_dump_path;
  */
 #define IGT_TEST_DESCRIPTION(str) const char* __igt_test_description = str
 
-/**
- * IGT_EXIT_TIMEOUT:
- *
- * Exit status indicating a timeout occurred.
- */
-#define IGT_EXIT_TIMEOUT 78
-
 /**
  * IGT_EXIT_SKIP:
  *
diff --git a/runner/resultgen.c b/runner/resultgen.c
index be884955e86c8d831a4a39023c741a947915132e..32b59d59aad21d7fc7fa88d25bcde1f99fdfda55 100644
--- a/runner/resultgen.c
+++ b/runner/resultgen.c
@@ -18,7 +18,6 @@
 
 #define INCOMPLETE_EXITCODE -1
 
-_Static_assert(INCOMPLETE_EXITCODE != IGT_EXIT_TIMEOUT, "exit code clash");
 _Static_assert(INCOMPLETE_EXITCODE != IGT_EXIT_SKIP, "exit code clash");
 _Static_assert(INCOMPLETE_EXITCODE != IGT_EXIT_SUCCESS, "exit code clash");
 _Static_assert(INCOMPLETE_EXITCODE != IGT_EXIT_INVALID, "exit code clash");
@@ -731,8 +730,6 @@ static bool fill_from_dmesg(int fd,
 static const char *result_from_exitcode(int exitcode)
 {
 	switch (exitcode) {
-	case IGT_EXIT_TIMEOUT:
-		return "timeout";
 	case IGT_EXIT_SKIP:
 		return "skip";
 	case IGT_EXIT_SUCCESS: