diff --git a/bp2build/apex_conversion_test.go b/bp2build/apex_conversion_test.go
index 2a58d0103..60de28cc5 100644
--- a/bp2build/apex_conversion_test.go
+++ b/bp2build/apex_conversion_test.go
@@ -818,7 +818,7 @@ func TestApexBundleSimple_manifestIsEmpty_baseApexOverrideApexInDifferentAndroid
 		Description:                "override_apex - manifest of base apex is empty, base apex and override_apex is in different Android.bp",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"//a/b:com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -828,7 +828,6 @@ filegroup {
 			"a/b/Android.bp": `
 apex {
 	name: "com.android.apogee",
-	bazel_module: { bp2build_available: false },
 }
 `,
 		},
@@ -852,7 +851,7 @@ func TestApexBundleSimple_manifestIsSet_baseApexOverrideApexInDifferentAndroidBp
 		Description:                "override_apex - manifest of base apex is set, base apex and override_apex is in different Android.bp",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"//a/b:com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -863,7 +862,6 @@ filegroup {
 apex {
 	name: "com.android.apogee",
   manifest: "apogee_manifest.json",
-	bazel_module: { bp2build_available: false },
 }
 `,
 		},
@@ -887,7 +885,7 @@ func TestApexBundleSimple_manifestIsEmpty_baseApexOverrideApexInSameAndroidBp(t
 		Description:                "override_apex - manifest of base apex is empty, base apex and override_apex is in same Android.bp",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -898,7 +896,6 @@ filegroup {
 		Blueprint: `
 apex {
 	name: "com.android.apogee",
-	bazel_module: { bp2build_available: false },
 }
 
 override_apex {
@@ -920,7 +917,7 @@ func TestApexBundleSimple_manifestIsSet_baseApexOverrideApexInSameAndroidBp(t *t
 		Description:                "override_apex - manifest of base apex is set, base apex and override_apex is in same Android.bp",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -932,7 +929,6 @@ filegroup {
 apex {
 	name: "com.android.apogee",
   manifest: "apogee_manifest.json",
-	bazel_module: { bp2build_available: false },
 }
 
 override_apex {
@@ -954,7 +950,7 @@ func TestApexBundleSimple_packageNameOverride(t *testing.T) {
 		Description:                "override_apex - override package name",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -965,7 +961,6 @@ filegroup {
 		Blueprint: `
 apex {
 	name: "com.android.apogee",
-	bazel_module: { bp2build_available: false },
 }
 
 override_apex {
@@ -1109,7 +1104,7 @@ func TestApexBundleSimple_NoLoggingParentOverride(t *testing.T) {
 		Description:                "override_apex - logging_parent - no override",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -1120,7 +1115,6 @@ filegroup {
 		Blueprint: `
 apex {
 	name: "com.android.apogee",
-	bazel_module: { bp2build_available: false },
 	logging_parent: "foo.bar.baz",
 }
 
@@ -1144,7 +1138,7 @@ func TestApexBundleSimple_LoggingParentOverride(t *testing.T) {
 		Description:                "override_apex - logging_parent - override",
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
-		StubbedBuildDefinitions:    []string{"//system/sepolicy/apex:com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "//system/sepolicy/apex:com.android.apogee-file_contexts"},
 		Filesystem: map[string]string{
 			"system/sepolicy/apex/Android.bp": `
 filegroup {
@@ -1155,7 +1149,6 @@ filegroup {
 		Blueprint: `
 apex {
 	name: "com.android.apogee",
-	bazel_module: { bp2build_available: false },
 	logging_parent: "foo.bar.baz",
 }
 
@@ -1398,7 +1391,7 @@ func TestBp2BuildOverrideApex_CertificateIsSrc(t *testing.T) {
 		ModuleTypeUnderTest:        "override_apex",
 		ModuleTypeUnderTestFactory: apex.OverrideApexFactory,
 		Filesystem:                 map[string]string{},
-		StubbedBuildDefinitions:    []string{"com.android.apogee.certificate", "com.android.apogee", "com.android.apogee-file_contexts"},
+		StubbedBuildDefinitions:    []string{"com.android.apogee", "com.android.apogee.certificate", "com.android.apogee", "com.android.apogee-file_contexts"},
 		Blueprint: `
 android_app_certificate {
 	name: "com.android.apogee.certificate",
@@ -1417,7 +1410,6 @@ apex {
 	manifest: "apogee_manifest.json",
 	file_contexts: ":com.android.apogee-file_contexts",
 	certificate: ":com.android.apogee.certificate",
-	bazel_module: { bp2build_available: false },
 }
 
 override_apex {
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index ec603c294..2cbcfc138 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -1857,7 +1857,6 @@ func TestCcLibrary_SystemSharedLibsBionicEmpty(t *testing.T) {
 		Blueprint: soongCcLibraryPreamble + `
 cc_library {
 	name: "libc_musl",
-	bazel_module: { bp2build_available: false },
 }
 
 cc_library {
@@ -1912,10 +1911,10 @@ func TestCcLibrary_SystemSharedLibsLinuxMuslEmpty(t *testing.T) {
 		Description:                "cc_library system_shared_lib empty for linux_musl variant",
 		ModuleTypeUnderTest:        "cc_library",
 		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		StubbedBuildDefinitions:    []string{"libc_musl"},
 		Blueprint: soongCcLibraryPreamble + `
 cc_library {
 		name: "libc_musl",
-		bazel_module: { bp2build_available: false },
 }
 
 cc_library {
diff --git a/bp2build/cc_library_shared_conversion_test.go b/bp2build/cc_library_shared_conversion_test.go
index 6f600da5c..5153224d5 100644
--- a/bp2build/cc_library_shared_conversion_test.go
+++ b/bp2build/cc_library_shared_conversion_test.go
@@ -1595,6 +1595,7 @@ func TestCcLibrarySdkVariantUsesStubs(t *testing.T) {
 		Description:                "cc_library_shared stubs",
 		ModuleTypeUnderTest:        "cc_library_shared",
 		ModuleTypeUnderTestFactory: cc.LibrarySharedFactory,
+		StubbedBuildDefinitions:    []string{"libNoStubs", "libHasApexStubs", "libHasApexAndNdkStubs"},
 		Blueprint: soongCcLibrarySharedPreamble + `
 cc_library_shared {
 	name: "libUsesSdk",
@@ -1607,22 +1608,21 @@ cc_library_shared {
 }
 cc_library_shared {
 	name: "libNoStubs",
-	bazel_module: { bp2build_available: false },
 }
 cc_library_shared {
 	name: "libHasApexStubs",
 	stubs: { symbol_file: "a.map.txt", versions: ["28", "29", "current"] },
-	bazel_module: { bp2build_available: false },
 	apex_available: ["apex_a"],
 }
 cc_library_shared {
 	name: "libHasApexAndNdkStubs",
 	stubs: { symbol_file: "b.map.txt", versions: ["28", "29", "current"] },
-	bazel_module: { bp2build_available: false },
 	apex_available: ["apex_b"],
 }
 ndk_library {
 	name: "libHasApexAndNdkStubs",
+	// TODO: b/301321658 - Stub this once existing-build-file handling can deal with
+	// modules that generate targets of a different name.
 	bazel_module: { bp2build_available: false },
 }
 `,
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index 0587aaea1..7b97b3906 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -1398,11 +1398,11 @@ cc_library_static {
 
 func TestStaticLibrary_SystemSharedLibsMuslEmpty(t *testing.T) {
 	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
-		Description: "cc_library_static system_shared_lib empty for musl variant",
+		Description:             "cc_library_static system_shared_lib empty for musl variant",
+		StubbedBuildDefinitions: []string{"libc_musl"},
 		Blueprint: soongCcLibraryStaticPreamble + `
 cc_library {
 		name: "libc_musl",
-		bazel_module: { bp2build_available: false },
 }
 
 cc_library_static {
@@ -1425,11 +1425,11 @@ cc_library_static {
 
 func TestStaticLibrary_SystemSharedLibsLinuxMuslEmpty(t *testing.T) {
 	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
-		Description: "cc_library_static system_shared_lib empty for linux_musl variant",
+		Description:             "cc_library_static system_shared_lib empty for linux_musl variant",
+		StubbedBuildDefinitions: []string{"libc_musl"},
 		Blueprint: soongCcLibraryStaticPreamble + `
 cc_library {
 		name: "libc_musl",
-		bazel_module: { bp2build_available: false },
 }
 
 cc_library_static {
diff --git a/bp2build/java_plugin_conversion_test.go b/bp2build/java_plugin_conversion_test.go
index b284112c6..dcc17b5ce 100644
--- a/bp2build/java_plugin_conversion_test.go
+++ b/bp2build/java_plugin_conversion_test.go
@@ -86,13 +86,11 @@ func TestJavaPluginNoSrcs(t *testing.T) {
 java_library {
     name: "java-lib-1",
     srcs: ["b.java"],
-    bazel_module: { bp2build_available: false },
 }
 
 java_library {
     name: "java-lib-2",
     srcs: ["c.java"],
-    bazel_module: { bp2build_available: false },
 }`,
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("java_plugin", "java-plug-1", AttrNameToString{
diff --git a/bp2build/java_proto_conversion_test.go b/bp2build/java_proto_conversion_test.go
index b25471048..3d55eb27a 100644
--- a/bp2build/java_proto_conversion_test.go
+++ b/bp2build/java_proto_conversion_test.go
@@ -140,7 +140,8 @@ func TestJavaProtoDefault(t *testing.T) {
 
 func TestJavaLibsAndOnlyProtoSrcs(t *testing.T) {
 	runJavaProtoTestCase(t, Bp2buildTestCase{
-		Description: "java_library that has only proto srcs",
+		Description:             "java_library that has only proto srcs",
+		StubbedBuildDefinitions: []string{"java-lib"},
 		Blueprint: `java_library_static {
     name: "java-protos",
     srcs: ["a.proto"],
@@ -151,7 +152,6 @@ func TestJavaLibsAndOnlyProtoSrcs(t *testing.T) {
 
 java_library_static {
     name: "java-lib",
-    bazel_module: { bp2build_available: false },
 }
 `,
 		ExpectedBazelTargets: []string{
diff --git a/bp2build/java_test_host_conversion_test.go b/bp2build/java_test_host_conversion_test.go
index f41345e87..95c239dbf 100644
--- a/bp2build/java_test_host_conversion_test.go
+++ b/bp2build/java_test_host_conversion_test.go
@@ -32,8 +32,9 @@ func runJavaTestHostTestCase(t *testing.T, tc Bp2buildTestCase) {
 
 func TestJavaTestHostGeneral(t *testing.T) {
 	runJavaTestHostTestCase(t, Bp2buildTestCase{
-		Description: "java_test_host general",
-		Filesystem:  map[string]string{},
+		Description:             "java_test_host general",
+		Filesystem:              map[string]string{},
+		StubbedBuildDefinitions: []string{"lib_a", "lib_b"},
 		Blueprint: `
 java_test_host {
     name: "java_test_host-1",
@@ -47,12 +48,10 @@ java_test_host {
 
 java_library {
     name: "lib_a",
-    bazel_module: { bp2build_available: false },
 }
 
 java_library {
     name: "static_libs_a",
-    bazel_module: { bp2build_available: false },
 }
 `,
 		ExpectedBazelTargets: []string{