diff --git a/java/androidmk.go b/java/androidmk.go
index c9a05c3..204b3d9 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -19,8 +19,6 @@
 	"io"
 	"strings"
 
-	"github.com/google/blueprint/proptools"
-
 	"android/soong/android"
 )
 
@@ -77,7 +75,7 @@
 		Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
 			android.WriteAndroidMkData(w, data)
 
-			if proptools.Bool(library.deviceProperties.Hostdex) && !library.Host() {
+			if Bool(library.deviceProperties.Hostdex) && !library.Host() {
 				fmt.Fprintln(w, "include $(CLEAR_VARS)")
 				fmt.Fprintln(w, "LOCAL_MODULE := "+name+"-hostdex")
 				fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
@@ -117,7 +115,7 @@
 		Include:    "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
 		Extra: []android.AndroidMkExtraFunc{
 			func(w io.Writer, outputFile android.Path) {
-				fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := ", !proptools.Bool(prebuilt.properties.Installable))
+				fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := ", !Bool(prebuilt.properties.Installable))
 				fmt.Fprintln(w, "LOCAL_SOONG_HEADER_JAR :=", prebuilt.combinedClasspathFile.String())
 				fmt.Fprintln(w, "LOCAL_SDK_VERSION :=", String(prebuilt.properties.Sdk_version))
 			},
diff --git a/java/java.go b/java/java.go
index a2eb810..04ce469 100644
--- a/java/java.go
+++ b/java/java.go
@@ -459,14 +459,14 @@
 
 func (j *Module) deps(ctx android.BottomUpMutatorContext) {
 	if ctx.Device() {
-		if !proptools.Bool(j.properties.No_standard_libs) {
+		if !Bool(j.properties.No_standard_libs) {
 			sdkDep := decodeSdkDep(ctx, String(j.deviceProperties.Sdk_version))
 			if sdkDep.useDefaultLibs {
 				ctx.AddDependency(ctx.Module(), bootClasspathTag, config.DefaultBootclasspathLibraries...)
 				if ctx.Config().TargetOpenJDK9() {
 					ctx.AddDependency(ctx.Module(), systemModulesTag, config.DefaultSystemModules)
 				}
-				if !proptools.Bool(j.properties.No_framework_libs) {
+				if !Bool(j.properties.No_framework_libs) {
 					ctx.AddDependency(ctx.Module(), libTag, config.DefaultLibraries...)
 				}
 			} else if sdkDep.useModule {
@@ -907,7 +907,7 @@
 
 		// Don't add kotlin-stdlib if using (on-device) renamed stdlib
 		// (it's expected to be on device bootclasspath)
-		if !proptools.Bool(j.properties.Renamed_kotlin_stdlib) {
+		if !Bool(j.properties.Renamed_kotlin_stdlib) {
 			jars = append(jars, deps.kotlinStdlib...)
 		}
 	}
@@ -984,7 +984,7 @@
 	resArgs = append(resArgs, fileArgs...)
 	resDeps = append(resDeps, fileDeps...)
 
-	if proptools.Bool(j.properties.Include_srcs) {
+	if Bool(j.properties.Include_srcs) {
 		srcArgs, srcDeps := SourceFilesToJarArgs(ctx, j.properties.Srcs, j.properties.Exclude_srcs)
 		resArgs = append(resArgs, srcArgs...)
 		resDeps = append(resDeps, srcDeps...)
@@ -1026,7 +1026,7 @@
 	}
 
 	// Use renamed kotlin standard library?
-	if srcFiles.HasExt(".kt") && proptools.Bool(j.properties.Renamed_kotlin_stdlib) {
+	if srcFiles.HasExt(".kt") && Bool(j.properties.Renamed_kotlin_stdlib) {
 		jarjarFile := android.PathForModuleOut(ctx, "kotlin-renamed", jarName)
 		TransformJarJar(ctx, jarjarFile, outputFile,
 			android.PathForSource(ctx, "external/kotlinc/jarjar-rules.txt"))
diff --git a/java/proto.go b/java/proto.go
index 2991ad9..cfd733a 100644
--- a/java/proto.go
+++ b/java/proto.go
@@ -18,7 +18,6 @@
 	"strings"
 
 	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
 )
@@ -67,7 +66,7 @@
 }
 
 func protoDeps(ctx android.BottomUpMutatorContext, p *android.ProtoProperties) {
-	switch proptools.String(p.Proto.Type) {
+	switch String(p.Proto.Type) {
 	case "micro":
 		ctx.AddDependency(ctx.Module(), staticLibTag, "libprotobuf-java-micro")
 	case "nano":
@@ -82,14 +81,14 @@
 		}
 	default:
 		ctx.PropertyErrorf("proto.type", "unknown proto type %q",
-			proptools.String(p.Proto.Type))
+			String(p.Proto.Type))
 	}
 }
 
 func protoFlags(ctx android.ModuleContext, j *CompilerProperties, p *android.ProtoProperties,
 	flags javaBuilderFlags) javaBuilderFlags {
 
-	switch proptools.String(p.Proto.Type) {
+	switch String(p.Proto.Type) {
 	case "micro":
 		flags.protoOutTypeFlag = "--javamicro_out"
 	case "nano":
@@ -101,7 +100,7 @@
 		flags.protoOutTypeFlag = "--java_out"
 	default:
 		ctx.PropertyErrorf("proto.type", "unknown proto type %q",
-			proptools.String(p.Proto.Type))
+			String(p.Proto.Type))
 	}
 
 	if len(j.Proto.Output_params) > 0 {