diff --git a/dev-tools/idea/.idea/modules.xml b/dev-tools/idea/.idea/modules.xml
index c828188cd39..21dc20c2dbe 100644
--- a/dev-tools/idea/.idea/modules.xml
+++ b/dev-tools/idea/.idea/modules.xml
@@ -17,6 +17,7 @@
       <module filepath="$PROJECT_DIR$/lucene/analysis/stempel/stempel.iml" />
       <module filepath="$PROJECT_DIR$/lucene/analysis/uima/analysis-uima.iml" />
       <module filepath="$PROJECT_DIR$/lucene/benchmark/benchmark.iml" />
+      <module filepath="$PROJECT_DIR$/lucene/classification/classification.iml" />
       <module filepath="$PROJECT_DIR$/lucene/codecs/src/java/codecs.iml" />
       <module filepath="$PROJECT_DIR$/lucene/codecs/src/test/codecs-tests.iml" />
       <module filepath="$PROJECT_DIR$/lucene/codecs/src/resources/codecs-resources.iml" />
diff --git a/dev-tools/idea/.idea/workspace.xml b/dev-tools/idea/.idea/workspace.xml
index de82de249dc..b21f8cf2b79 100644
--- a/dev-tools/idea/.idea/workspace.xml
+++ b/dev-tools/idea/.idea/workspace.xml
@@ -78,6 +78,13 @@
                 antfile="file://$PROJECT_DIR$/lucene/benchmark/build.xml" />
       </method>
     </configuration>
+    <configuration default="false" name="Module classification" type="JUnit" factoryName="JUnit">
+      <module name="classification" />
+      <option name="TEST_OBJECT" value="package" />
+      <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/lucene/build/classification" />
+      <option name="VM_PARAMETERS" value="-ea -DtempDir=temp" />
+      <option name="TEST_SEARCH_SCOPE"><value defaultName="singleModule" /></option>
+    </configuration>
     <configuration default="false" name="Module codecs" type="JUnit" factoryName="JUnit">
       <module name="codecs-tests" />
       <option name="TEST_OBJECT" value="package" />
diff --git a/dev-tools/idea/lucene/classification/classification.iml b/dev-tools/idea/lucene/classification/classification.iml
new file mode 100644
index 00000000000..12b965096b6
--- /dev/null
+++ b/dev-tools/idea/lucene/classification/classification.iml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="false">
+    <output url="file://$MODULE_DIR$/../build/classification/classes/java" />
+    <output-test url="file://$MODULE_DIR$/../build/classification/classes/test" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/work" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="JUnit" level="project" />
+    <orderEntry type="module" scope="TEST" module-name="lucene-test-framework" />
+    <orderEntry type="module" module-name="lucene-core" />
+  </component>
+</module>