diff --git a/java/base.go b/java/base.go
index 03652be..5a4898b 100644
--- a/java/base.go
+++ b/java/base.go
@@ -229,12 +229,6 @@
 	// otherwise provides defaults libraries to add to the bootclasspath.
 	System_modules *string
 
-	// The name of the module as used in build configuration.
-	//
-	// Allows a library to separate its actual name from the name used in
-	// build configuration, e.g.ctx.Config().BootJars().
-	ConfigurationName *string `blueprint:"mutated"`
-
 	// set the name of the output
 	Stem *string
 
@@ -1501,15 +1495,6 @@
 	return proptools.StringDefault(j.deviceProperties.Stem, j.Name())
 }
 
-// ConfigurationName returns the name of the module as used in build configuration.
-//
-// This is usually the same as BaseModuleName() except for the <x>.impl libraries created by
-// java_sdk_library in which case this is the BaseModuleName() without the ".impl" suffix,
-// i.e. just <x>.
-func (j *Module) ConfigurationName() string {
-	return proptools.StringDefault(j.deviceProperties.ConfigurationName, j.BaseModuleName())
-}
-
 func (j *Module) JacocoReportClassesFile() android.Path {
 	return j.jacocoReportClassesFile
 }
diff --git a/java/hiddenapi.go b/java/hiddenapi.go
index 829c473..fe7bd65 100644
--- a/java/hiddenapi.go
+++ b/java/hiddenapi.go
@@ -26,11 +26,6 @@
 }, "outFlag", "stubAPIFlags")
 
 type hiddenAPI struct {
-	// The name of the module as it would be used in the boot jars configuration, e.g. without any
-	// prebuilt_ prefix (if it is a prebuilt) and without any ".impl" suffix if it is a
-	// java_sdk_library implementation library.
-	configurationName string
-
 	// True if the module containing this structure contributes to the hiddenapi information or has
 	// that information encoded within it.
 	active bool
@@ -84,14 +79,12 @@
 var _ hiddenAPIIntf = (*hiddenAPI)(nil)
 
 // Initialize the hiddenapi structure
-func (h *hiddenAPI) initHiddenAPI(ctx android.BaseModuleContext, configurationName string) {
+func (h *hiddenAPI) initHiddenAPI(ctx android.BaseModuleContext) {
 	// If hiddenapi processing is disabled treat this as inactive.
 	if ctx.Config().IsEnvTrue("UNSAFE_DISABLE_HIDDENAPI_FLAGS") {
 		return
 	}
 
-	h.configurationName = configurationName
-
 	// If the frameworks/base directories does not exist and no prebuilt hidden API flag files have
 	// been configured then it is not possible to do hidden API encoding.
 	if !ctx.Config().FrameworksBaseDirExists(ctx) && ctx.Config().PrebuiltHiddenApiDir(ctx) == "" {
@@ -119,12 +112,6 @@
 			primary = p.UsePrebuilt()
 		}
 	} else {
-		// The only module that will pass a different configurationName to its module name to this
-		// method is the implementation library of a java_sdk_library. It has a configuration name of
-		// <x> the same as its parent java_sdk_library but a module name of <x>.impl. It is not the
-		// primary module, the java_sdk_library with the name of <x> is.
-		primary = configurationName == ctx.ModuleName()
-
 		// A source module that has been replaced by a prebuilt can never be the primary module.
 		if module.IsReplacedByPrebuilt() {
 			if ctx.HasProvider(android.ApexInfoProvider) {
@@ -172,7 +159,7 @@
 		return dexJar
 	}
 
-	hiddenAPIJar := android.PathForModuleOut(ctx, "hiddenapi", h.configurationName+".jar").OutputPath
+	hiddenAPIJar := android.PathForModuleOut(ctx, "hiddenapi", dexJar.Base()).OutputPath
 
 	// Create a copy of the dex jar which has been encoded with hiddenapi flags.
 	hiddenAPIEncodeDex(ctx, hiddenAPIJar, dexJar, uncompressDex)
diff --git a/java/java.go b/java/java.go
index f85de3d..515d204 100644
--- a/java/java.go
+++ b/java/java.go
@@ -481,10 +481,8 @@
 }
 
 func (j *Library) GenerateAndroidBuildActions(ctx android.ModuleContext) {
-	// Initialize the hiddenapi structure. Pass in the configuration name rather than the module name
-	// so the hidden api will encode the <x>.impl java_ library created by java_sdk_library just as it
-	// would the <x> library if <x> was configured as a boot jar.
-	j.initHiddenAPI(ctx, j.ConfigurationName())
+	// Initialize the hiddenapi structure.
+	j.initHiddenAPI(ctx)
 
 	j.sdkVersion = j.SdkVersion(ctx)
 	j.minSdkVersion = j.MinSdkVersion(ctx)
@@ -1242,7 +1240,7 @@
 	j.minSdkVersion = j.MinSdkVersion(ctx)
 
 	// Initialize the hiddenapi structure.
-	j.initHiddenAPI(ctx, j.BaseModuleName())
+	j.initHiddenAPI(ctx)
 
 	if !ctx.Provider(android.ApexInfoProvider).(android.ApexInfo).IsForPlatform() {
 		j.hideApexVariantFromMake = true
diff --git a/java/sdk_library.go b/java/sdk_library.go
index f04f837..1d14d86 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -1235,16 +1235,13 @@
 
 // Creates the implementation java library
 func (module *SdkLibrary) createImplLibrary(mctx android.DefaultableHookContext) {
-	moduleNamePtr := proptools.StringPtr(module.BaseModuleName())
-
 	visibility := childModuleVisibility(module.sdkLibraryProperties.Impl_library_visibility)
 
 	props := struct {
-		Name              *string
-		Visibility        []string
-		Instrument        bool
-		Libs              []string
-		ConfigurationName *string
+		Name       *string
+		Visibility []string
+		Instrument bool
+		Libs       []string
 	}{
 		Name:       proptools.StringPtr(module.implLibraryModuleName()),
 		Visibility: visibility,
@@ -1253,9 +1250,6 @@
 		// Set the impl_only libs. Note that the module's "Libs" get appended as well, via the
 		// addition of &module.properties below.
 		Libs: module.sdkLibraryProperties.Impl_only_libs,
-
-		// Make the created library behave as if it had the same name as this module.
-		ConfigurationName: moduleNamePtr,
 	}
 
 	properties := []interface{}{
@@ -2127,7 +2121,7 @@
 			di := ctx.OtherModuleProvider(deapexerModule, android.DeapexerProvider).(android.DeapexerInfo)
 			if dexOutputPath := di.PrebuiltExportPath(module.BaseModuleName(), ".dexjar"); dexOutputPath != nil {
 				module.dexJarFile = dexOutputPath
-				module.initHiddenAPI(ctx, module.configurationName)
+				module.initHiddenAPI(ctx)
 				module.hiddenAPIUpdatePaths(ctx, dexOutputPath, module.findScopePaths(apiScopePublic).stubsImplPath[0])
 			} else {
 				// This should never happen as a variant for a prebuilt_apex is only created if the