diff --git a/build/groovy/org/jetbrains/intellij/build/IdeaCommunityProperties.groovy b/build/groovy/org/jetbrains/intellij/build/IdeaCommunityProperties.groovy
index 6463f328f007..eb0dac6ec0fb 100644
--- a/build/groovy/org/jetbrains/intellij/build/IdeaCommunityProperties.groovy
+++ b/build/groovy/org/jetbrains/intellij/build/IdeaCommunityProperties.groovy
@@ -18,6 +18,7 @@ class IdeaCommunityProperties extends BaseIdeaProperties {
     applicationInfoModule = "intellij.idea.community.resources"
     additionalIDEPropertiesFilePaths = ["$home/build/conf/ideaCE.properties".toString()]
     toolsJarRequired = true
+    scrambleMainJar = false
     buildCrossPlatformDistribution = true
 
     productLayout.productImplementationModules = ["intellij.platform.main"]
diff --git a/platform/build-scripts/groovy/org/jetbrains/intellij/build/ProductProperties.groovy b/platform/build-scripts/groovy/org/jetbrains/intellij/build/ProductProperties.groovy
index 137d17da64c7..7dd3132dda80 100644
--- a/platform/build-scripts/groovy/org/jetbrains/intellij/build/ProductProperties.groovy
+++ b/platform/build-scripts/groovy/org/jetbrains/intellij/build/ProductProperties.groovy
@@ -87,7 +87,7 @@ abstract class ProductProperties {
   /**
    * If {@code true} the main product JAR file will be scrambled using {@link ProprietaryBuildTools#scrambleTool}
    */
-  boolean scrambleMainJar = false
+  boolean scrambleMainJar = true
 
   /**
    * If {@code false} names of private fields won't be scrambled (to avoid problems with serialization). This field is ignored if
diff --git a/python/build/groovy/org/jetbrains/intellij/build/pycharm/PyCharmCommunityProperties.groovy b/python/build/groovy/org/jetbrains/intellij/build/pycharm/PyCharmCommunityProperties.groovy
index 4d5d5c5eaec1..f950c968948b 100644
--- a/python/build/groovy/org/jetbrains/intellij/build/pycharm/PyCharmCommunityProperties.groovy
+++ b/python/build/groovy/org/jetbrains/intellij/build/pycharm/PyCharmCommunityProperties.groovy
@@ -27,6 +27,7 @@ class PyCharmCommunityProperties extends PyCharmPropertiesBase {
     platformPrefix = "PyCharmCore"
     applicationInfoModule = "intellij.pycharm.community"
     brandingResourcePaths = ["$communityHome/python/resources"]
+    scrambleMainJar = false
 
     productLayout.mainModules = ["intellij.pycharm.community.main"]
     productLayout.productApiModules = ["intellij.xml.dom"]