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diff --git a/org.argeo.api.uuid/jni/org_argeo_api_uuid/org_argeo_api_uuid_NativeUuidFactory.c b/org.argeo.api.uuid/jni/org_argeo_api_uuid/org_argeo_api_uuid_NativeUuidFactory.c
deleted file mode 100644
index 714abeb06..000000000
--- a/org.argeo.api.uuid/jni/org_argeo_api_uuid/org_argeo_api_uuid_NativeUuidFactory.c
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <jni.h>
-#include <uuid.h>
-#include "org_argeo_api_uuid_NativeUuidFactory.h"
-
-/*
- * UTILITIES
- */
-
-static inline jobject fromBytes(JNIEnv *env, uuid_t out) {
-	jlong msb = 0;
-	jlong lsb = 0;
-
-	for (int i = 0; i < 8; i++)
-		msb = (msb << 8) | (out[i] & 0xff);
-	for (int i = 8; i < 16; i++)
-		lsb = (lsb << 8) | (out[i] & 0xff);
-
-	jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
-	jmethodID uuidConstructor = (*env)->GetMethodID(env, uuidClass, "<init>",
-			"(JJ)V");
-
-	jobject jUUID = (*env)->AllocObject(env, uuidClass);
-	(*env)->CallVoidMethod(env, jUUID, uuidConstructor, msb, lsb);
-
-	return jUUID;
-}
-
-static inline void toBytes(JNIEnv *env, jobject jUUID, uuid_t result) {
-
-	jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
-	jmethodID getMostSignificantBits = (*env)->GetMethodID(env, uuidClass,
-			"getMostSignificantBits", "()J");
-	jmethodID getLeastSignificantBits = (*env)->GetMethodID(env, uuidClass,
-			"getLeastSignificantBits", "()J");
-
-	jlong msb = (*env)->CallLongMethod(env, jUUID, getMostSignificantBits);
-	jlong lsb = (*env)->CallLongMethod(env, jUUID, getLeastSignificantBits);
-
-	for (int i = 0; i < 8; i++)
-		result[i] = (unsigned char) ((msb >> ((7 - i) * 8)) & 0xff);
-	for (int i = 8; i < 16; i++)
-		result[i] = (unsigned char) ((lsb >> ((15 - i) * 8)) & 0xff);
-}
-
-/*
- * JNI IMPLEMENTATION
- */
-
-/*
- * Class:     org_argeo_api_uuid_NativeUuidFactory
- * Method:    timeUUID
- * Signature: ()Ljava/util/UUID;
- */
-JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_timeUUID(
-		JNIEnv *env, jobject) {
-	uuid_t out;
-
-	uuid_generate_time(out);
-	return fromBytes(env, out);
-}
-
-/*
- * Class:     org_argeo_api_uuid_NativeUuidFactory
- * Method:    nameUUIDv5
- * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
- */
-JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv5(
-		JNIEnv *env, jobject, jobject namespaceUuid, jbyteArray name) {
-	uuid_t ns;
-	uuid_t out;
-
-	toBytes(env, namespaceUuid, ns);
-	jsize length = (*env)->GetArrayLength(env, name);
-	jbyte *bytes = (*env)->GetByteArrayElements(env, name, 0);
-
-	uuid_generate_sha1(out, ns, bytes, length);
-	return fromBytes(env, out);
-}
-
-/*
- * Class:     org_argeo_api_uuid_NativeUuidFactory
- * Method:    nameUUIDv3
- * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
- */
-JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv3(
-		JNIEnv *env, jobject, jobject namespaceUuid, jbyteArray name) {
-	uuid_t ns;
-	uuid_t out;
-
-	toBytes(env, namespaceUuid, ns);
-	jsize length = (*env)->GetArrayLength(env, name);
-	jbyte *bytes = (*env)->GetByteArrayElements(env, name, 0);
-
-	uuid_generate_md5(out, ns, bytes, length);
-	return fromBytes(env, out);
-}
-
-/*
- * Class:     org_argeo_api_uuid_NativeUuidFactory
- * Method:    randomUUIDStrong
- * Signature: ()Ljava/util/UUID;
- */
-JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_randomUUIDStrong(
-		JNIEnv *env, jobject) {
-	uuid_t out;
-
-	uuid_generate_random(out);
-	return fromBytes(env, out);
-}