diff --git a/platform/lang-api/src/com/intellij/execution/configurations/RunConfiguration.java b/platform/lang-api/src/com/intellij/execution/configurations/RunConfiguration.java
index 992f6715611a..0c579beefd1b 100644
--- a/platform/lang-api/src/com/intellij/execution/configurations/RunConfiguration.java
+++ b/platform/lang-api/src/com/intellij/execution/configurations/RunConfiguration.java
@@ -24,6 +24,10 @@ import org.jetbrains.annotations.Nullable;
 
 /**
  * @see com.intellij.execution.RunManager
+ *
+ * If debugger is provided by plugin, RunConfiguration should also implement RunConfigurationWithSuppressedDefaultDebugAction
+ * Otherwise (in case of disabled plugin) debug action may be enabled in UI but with no reaction
+ * @see RunConfigurationWithSuppressedDefaultDebugAction
  */
 public interface RunConfiguration extends RunProfile, JDOMExternalizable, Cloneable {
   ConfigurationFactory getFactory();
diff --git a/java/debugger/impl/src/com/intellij/debugger/impl/RunConfigurationWithSuppressedDefaultDebugAction.java b/platform/lang-api/src/com/intellij/execution/configurations/RunConfigurationWithSuppressedDefaultDebugAction.java
similarity index 74%
rename from java/debugger/impl/src/com/intellij/debugger/impl/RunConfigurationWithSuppressedDefaultDebugAction.java
rename to platform/lang-api/src/com/intellij/execution/configurations/RunConfigurationWithSuppressedDefaultDebugAction.java
index 7a7121dc7565..911d06574dd3 100644
--- a/java/debugger/impl/src/com/intellij/debugger/impl/RunConfigurationWithSuppressedDefaultDebugAction.java
+++ b/platform/lang-api/src/com/intellij/execution/configurations/RunConfigurationWithSuppressedDefaultDebugAction.java
@@ -13,7 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.intellij.debugger.impl;
 
+package com.intellij.execution.configurations;
+
+// This interface for RunConfiguration indicates specific debugger (e.g. provided by plugin)
+// and RunConfiguration won't be started with default runner (UI will show disabled button)
 public interface RunConfigurationWithSuppressedDefaultDebugAction {
 }
diff --git a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/run/XsltRunConfiguration.java b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/run/XsltRunConfiguration.java
index a223b2150a9e..c01b49ee4d99 100644
--- a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/run/XsltRunConfiguration.java
+++ b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/run/XsltRunConfiguration.java
@@ -59,7 +59,7 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
-public final class XsltRunConfiguration extends RunConfigurationBase implements LocatableConfiguration, ModuleRunConfiguration {
+public final class XsltRunConfiguration extends RunConfigurationBase implements LocatableConfiguration, ModuleRunConfiguration, RunConfigurationWithSuppressedDefaultDebugAction {
     private static final String NAME = "XSLT Configuration";
 
     private static final String STRICT_FILE_PATH_EXPR = "(file\\://?(?:/?\\p{Alpha}\\:)?(?:/\\p{Alpha}\\:)?[^:]+)";