diff --git a/runtime/kt/Annotations.kt b/runtime/kt/Annotations.kt
new file mode 100644
index 00000000000..c8e7ca92fe5
--- /dev/null
+++ b/runtime/kt/Annotations.kt
@@ -0,0 +1,7 @@
+package jet
+
+public annotation class atomic
+public annotation class data
+public annotation class deprecated(val value: String)
+public annotation class suppress(vararg val names: String)
+public annotation class tailRecursive
diff --git a/runtime/kt/Inline.kt b/runtime/kt/Inline.kt
new file mode 100644
index 00000000000..919f7f02223
--- /dev/null
+++ b/runtime/kt/Inline.kt
@@ -0,0 +1,8 @@
+package jet
+
+public annotation class noinline
+public annotation class inline(public val strategy: InlineStrategy = InlineStrategy.AS_FUNCTION)
+public enum class InlineStrategy {
+    AS_FUNCTION
+    IN_PLACE
+}
diff --git a/runtime/src/jet/InlineStrategy.java b/runtime/src/jet/InlineStrategy.java
deleted file mode 100644
index 8e4616084fa..00000000000
--- a/runtime/src/jet/InlineStrategy.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-public enum InlineStrategy {
-    AS_FUNCTION,
-    IN_PLACE
-}
diff --git a/runtime/src/jet/data.java b/runtime/src/jet/data.java
deleted file mode 100644
index 4f698f28fc0..00000000000
--- a/runtime/src/jet/data.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-@Retention(RetentionPolicy.CLASS)
-public @interface data {
-}
diff --git a/runtime/src/jet/deprecated.java b/runtime/src/jet/deprecated.java
deleted file mode 100644
index 2a8e1239edb..00000000000
--- a/runtime/src/jet/deprecated.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-@Retention(RetentionPolicy.CLASS)
-public @interface deprecated {
-    String value();
-}
diff --git a/runtime/src/jet/inline.java b/runtime/src/jet/inline.java
deleted file mode 100644
index b68c895fd9d..00000000000
--- a/runtime/src/jet/inline.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-@Retention(RetentionPolicy.CLASS)
-public @interface inline {
-    InlineStrategy strategy() default InlineStrategy.AS_FUNCTION;
-}
diff --git a/runtime/src/jet/noinline.java b/runtime/src/jet/noinline.java
deleted file mode 100644
index 05bf49b94d9..00000000000
--- a/runtime/src/jet/noinline.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-@Retention(RetentionPolicy.CLASS)
-public @interface noinline {
-}
diff --git a/runtime/src/jet/suppress.java b/runtime/src/jet/suppress.java
deleted file mode 100644
index 51b3c10bb6a..00000000000
--- a/runtime/src/jet/suppress.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-@Retention(RetentionPolicy.SOURCE)
-public @interface suppress {
-    String[] names();
-}
diff --git a/runtime/src/jet/tailRecursive.java b/runtime/src/jet/tailRecursive.java
deleted file mode 100644
index 4bd8b400f7e..00000000000
--- a/runtime/src/jet/tailRecursive.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package jet;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Retention(RetentionPolicy.CLASS)
-@Target({ElementType.METHOD})
-public @interface tailRecursive {
-}