diff --git a/modules/simpletest/tests/system_incompatible_core_version_dependencies_test.info b/modules/simpletest/tests/system_incompatible_core_version_dependencies_test.info
index 9b66cf0..002c0d2 100644
--- a/modules/simpletest/tests/system_incompatible_core_version_dependencies_test.info
+++ b/modules/simpletest/tests/system_incompatible_core_version_dependencies_test.info
@@ -2,6 +2,6 @@ name = "System incompatible core version dependencies test"
 description = "Support module for testing system dependencies."
 package = Testing
 version = VERSION
-core = 8.x
+core = 7.x
 hidden = TRUE
 dependencies[] = system_incompatible_core_version_test
diff --git a/modules/simpletest/tests/system_incompatible_module_version_dependencies_test.info b/modules/simpletest/tests/system_incompatible_module_version_dependencies_test.info
index 8c02083..48db9ea 100644
--- a/modules/simpletest/tests/system_incompatible_module_version_dependencies_test.info
+++ b/modules/simpletest/tests/system_incompatible_module_version_dependencies_test.info
@@ -2,7 +2,7 @@ name = "System incompatible module version dependencies test"
 description = "Support module for testing system dependencies."
 package = Testing
 version = VERSION
-core = 8.x
+core = 7.x
 hidden = TRUE
 ; system_incompatible_module_version_test declares version 1.0
 dependencies[] = system_incompatible_module_version_test (>2.0)
diff --git a/modules/simpletest/tests/system_incompatible_module_version_test.info b/modules/simpletest/tests/system_incompatible_module_version_test.info
index 2c93c59..9dfc686 100644
--- a/modules/simpletest/tests/system_incompatible_module_version_test.info
+++ b/modules/simpletest/tests/system_incompatible_module_version_test.info
@@ -2,5 +2,5 @@ name = "System incompatible module version test"
 description = "Support module for testing system dependencies."
 package = Testing
 version = 1.0
-core = 8.x
+core = 7.x
 hidden = TRUE