diff --git a/j2k/Makefile b/j2k/Makefile
deleted file mode 100644
index b906e3b09f6..00000000000
--- a/j2k/Makefile
+++ /dev/null
@@ -1,14 +0,0 @@
-move-tmp-to-kt:
-	rename -f s/.kt.tmp/.kt/ `find "testData" -name "*.kt.tmp"`
-
-remove-tmp:
-	rm `find "testData" -name "*.kt.tmp"`
-
-disable-sandbox:
-	cd ~/.IdeaIC11/system/ &&	mv plugins-sandbox plugins-sandbox.tmp
-
-enable-sandbox:
-	cd ~/.IdeaIC11/system/ && rm -rf plugins-sandbox && mv plugins-sandbox.tmp ./plugins-sandbox
-
-release-patch:
-	cp ~/src/jet/.git/patches/master/j2k ~/src/jet-contrib/upstream-patches/
\ No newline at end of file
diff --git a/j2k/j2k.ipr b/j2k/j2k.ipr
deleted file mode 100644
index f91fa7f6738..00000000000
--- a/j2k/j2k.ipr
+++ /dev/null
@@ -1,646 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AntConfiguration">
-    <defaultAnt bundledAnt="true" />
-  </component>
-  <component name="ArtifactManager">
-    <artifact type="jar" build-on-make="true" name="j2k:jar">
-      <output-path>$PROJECT_DIR$/out/artifacts/j2k_jar</output-path>
-      <root id="archive" name="j2k.jar">
-        <element id="directory" name="META-INF">
-          <element id="file-copy" path="$PROJECT_DIR$/src/META-INF/MANIFEST.MF" />
-        </element>
-        <element id="module-output" name="j2k" />
-      </root>
-    </artifact>
-    <artifact type="jar" build-on-make="true" name="java2kotlin:jar">
-      <output-path>$PROJECT_DIR$/out/artifacts/java2kotlin_jar</output-path>
-      <root id="archive" name="java2kotlin.jar">
-        <element id="directory" name="META-INF">
-          <element id="file-copy" path="$PROJECT_DIR$/src/META-INF/MANIFEST.MF" />
-        </element>
-        <element id="module-output" name="j2k" />
-        <element id="extracted-dir" path="$PROJECT_DIR$/lib/commons-io-2.1.jar" path-in-jar="/" />
-        <element id="extracted-dir" path="$PROJECT_DIR$/lib/commons-cli-1.2.jar" path-in-jar="/" />
-      </root>
-    </artifact>
-  </component>
-  <component name="CompilerConfiguration">
-    <option name="DEFAULT_COMPILER" value="Javac" />
-    <resourceExtensions />
-    <wildcardResourcePatterns>
-      <entry name="?*.properties" />
-      <entry name="?*.xml" />
-      <entry name="?*.gif" />
-      <entry name="?*.png" />
-      <entry name="?*.jpeg" />
-      <entry name="?*.jpg" />
-      <entry name="?*.html" />
-      <entry name="?*.dtd" />
-      <entry name="?*.tld" />
-      <entry name="?*.ftl" />
-    </wildcardResourcePatterns>
-    <annotationProcessing enabled="false" useClasspath="true" />
-  </component>
-  <component name="CopyrightManager" default="">
-    <module2copyright />
-  </component>
-  <component name="DependencyValidationManager">
-    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
-  </component>
-  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
-  <component name="EntryPointsManager">
-    <entry_points version="2.0" />
-  </component>
-  <component name="IdProvider" IDEtalkID="85E718DEBECB31403A7B26BEC4D25543" />
-  <component name="InspectionProjectProfileManager">
-    <profiles>
-      <profile version="1.0" is_locked="false">
-        <option name="myName" value="Project Default" />
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-        <inspection_tool class="ArchaicSystemPropertyAccess" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="AssignmentToForLoopParameter" enabled="true" level="WARNING" enabled_by_default="true">
-          <option name="m_checkForeachParameters" value="false" />
-        </inspection_tool>
-        <inspection_tool class="AssignmentToStaticFieldFromInstanceMethod" enabled="true" level="WARNING" enabled_by_default="true">
-          <scope name="IDEA Test Sources" level="WARNING" enabled="false" />
-        </inspection_tool>
-        <inspection_tool class="AssignmentUsedAsCondition" enabled="false" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="AutoBoxing" enabled="true" level="WARNING" enabled_by_default="false">
-          <scope name="runtime.classes" level="WARNING" enabled="true">
-            <option name="ignoreAddedToCollection" value="false" />
-          </scope>
-          <option name="ignoreAddedToCollection" value="false" />
-        </inspection_tool>
-        <inspection_tool class="AutoUnboxing" enabled="true" level="WARNING" enabled_by_default="false">
-          <scope name="runtime.classes" level="WARNING" enabled="true" />
-        </inspection_tool>
-        <inspection_tool class="BooleanMethodIsAlwaysInverted" enabled="false" level="WARNING" enabled_by_default="false" />
-        <inspection_tool class="BusyWait" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="CStyleArrayDeclaration" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="CastConflictsWithInstanceof" enabled="true" level="WARNING" enabled_by_default="true" />
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-        <inspection_tool class="FinalizeNotProtected" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="ForLoopReplaceableByWhile" enabled="true" level="WARNING" enabled_by_default="true">
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-        </inspection_tool>
-        <inspection_tool class="ForLoopThatDoesntUseLoopVariable" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="HtmlUnknownTag" enabled="true" level="WARNING" enabled_by_default="true">
-          <option name="myValues">
-            <value>
-              <list size="5">
-                <item index="0" class="java.lang.String" itemvalue="nobr" />
-                <item index="1" class="java.lang.String" itemvalue="noembed" />
-                <item index="2" class="java.lang.String" itemvalue="comment" />
-                <item index="3" class="java.lang.String" itemvalue="noscript" />
-                <item index="4" class="java.lang.String" itemvalue="javascript" />
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-        </inspection_tool>
-        <inspection_tool class="IOResource" enabled="true" level="WARNING" enabled_by_default="true">
-          <option name="ignoredTypesString" value="java.io.ByteArrayOutputStream,java.io.ByteArrayInputStream,java.io.StringBufferInputStream,java.io.CharArrayWriter,java.io.CharArrayReader,java.io.StringWriter,java.io.StringReader" />
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-        </inspection_tool>
-        <inspection_tool class="IfStatementWithIdenticalBranches" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="InnerClassMayBeStatic" enabled="true" level="WARNING" enabled_by_default="true" />
-        <inspection_tool class="InstanceofCatchParameter" enabled="true" level="WARNING" enabled_by_default="true" />
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-          <option name="m_regex" value="[A-Z][A-Za-z0-9]*Test" />
-          <option name="m_minLength" value="8" />
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