diff --git a/.idea/ant.xml b/.idea/ant.xml
index 1e4b0ab494e..455b5c0df03 100644
--- a/.idea/ant.xml
+++ b/.idea/ant.xml
@@ -3,7 +3,7 @@
   <component name="AntConfiguration">
     <buildFile url="file://$PROJECT_DIR$/compiler/frontend/buildLexer.xml" />
     <buildFile url="file://$PROJECT_DIR$/build.xml">
-      <antCommandLine value="-J-XX:MaxPermSize=100m -J-ea" />
+      <antCommandLine value="-J-ea" />
       <maximumHeapSize value="1024" />
     </buildFile>
     <buildFile url="file://$PROJECT_DIR$/update_dependencies.xml" />
diff --git a/.idea/runConfigurations/All_Jvm_Backend_Tests.xml b/.idea/runConfigurations/All_Jvm_Backend_Tests.xml
index abcc7183aee..075dded7c10 100644
--- a/.idea/runConfigurations/All_Jvm_Backend_Tests.xml
+++ b/.idea/runConfigurations/All_Jvm_Backend_Tests.xml
@@ -13,7 +13,7 @@
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
-    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx900m -XX:MaxPermSize=320m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m  -Djna.nosys=true" />
+    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx1024m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m -Djna.nosys=true" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" />
     <option name="ENV_VARIABLES" />
diff --git a/.idea/runConfigurations/Compiler_Tests.xml b/.idea/runConfigurations/Compiler_Tests.xml
index 5ebfd0779ce..605a94869c1 100644
--- a/.idea/runConfigurations/Compiler_Tests.xml
+++ b/.idea/runConfigurations/Compiler_Tests.xml
@@ -13,7 +13,7 @@
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
-    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx700m -XX:MaxPermSize=300m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m  -Djna.nosys=true" />
+    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx1024m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m -Djna.nosys=true" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" />
     <option name="ENV_VARIABLES" />
diff --git a/ultimate/.idea/runConfigurations/IDEA.xml b/ultimate/.idea/runConfigurations/IDEA.xml
index 1e6acf699f7..139f507fa9a 100644
--- a/ultimate/.idea/runConfigurations/IDEA.xml
+++ b/ultimate/.idea/runConfigurations/IDEA.xml
@@ -2,7 +2,7 @@
   <configuration default="false" name="IDEA" type="Application" factoryName="Application" singleton="true">
     <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
     <option name="MAIN_CLASS_NAME" value="com.intellij.idea.Main" />
-    <option name="VM_PARAMETERS" value="-Xmx900m -XX:ReservedCodeCacheSize=64m -XX:MaxPermSize=450m -XX:+HeapDumpOnOutOfMemoryError -ea -Didea.is.internal=true -Didea.debug.mode=true -Didea.system.path=../system-idea -Didea.config.path=../config-idea -Dapple.laf.useScreenMenuBar=true -Dapple.awt.graphics.UseQuartz=true -Dsun.io.useCanonCaches=false -Dplugin.path=$PROJECT_DIR$/out/artifacts/Kotlin -Dkotlin.internal.mode.enabled=true -Didea.additional.classpath=../idea-kotlin-runtime/kotlin-runtime.jar,../idea-kotlin-runtime/kotlin-reflect.jar" />
+    <option name="VM_PARAMETERS" value="-Xmx1024m -XX:ReservedCodeCacheSize=64m -XX:+HeapDumpOnOutOfMemoryError -ea -Didea.is.internal=true -Didea.debug.mode=true -Didea.system.path=../system-idea -Didea.config.path=../config-idea -Dapple.laf.useScreenMenuBar=true -Dapple.awt.graphics.UseQuartz=true -Dsun.io.useCanonCaches=false -Dplugin.path=$PROJECT_DIR$/out/artifacts/Kotlin -Dkotlin.internal.mode.enabled=true -Didea.additional.classpath=../idea-kotlin-runtime/kotlin-runtime.jar,../idea-kotlin-runtime/kotlin-reflect.jar" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/ideaSDK/bin" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
diff --git a/ultimate/.idea/runConfigurations/IDEA__No_ProcessCanceledException_.xml b/ultimate/.idea/runConfigurations/IDEA__No_ProcessCanceledException_.xml
index 73c810e7279..1ce75871f12 100644
--- a/ultimate/.idea/runConfigurations/IDEA__No_ProcessCanceledException_.xml
+++ b/ultimate/.idea/runConfigurations/IDEA__No_ProcessCanceledException_.xml
@@ -2,11 +2,11 @@
   <configuration default="false" name="IDEA (No ProcessCanceledException)" type="Application" factoryName="Application" singleton="true">
     <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
     <option name="MAIN_CLASS_NAME" value="com.intellij.idea.Main" />
-    <option name="VM_PARAMETERS" value="-Xmx900m -XX:ReservedCodeCacheSize=64m -XX:MaxPermSize=450m -XX:+HeapDumpOnOutOfMemoryError -ea -Didea.is.internal=true -Didea.debug.mode=true -Didea.system.path=../system-idea -Didea.config.path=../config-idea -Dapple.laf.useScreenMenuBar=true -Dapple.awt.graphics.UseQuartz=true -Dsun.io.useCanonCaches=false -Dplugin.path=$PROJECT_DIR$/out/artifacts/Kotlin -Didea.ProcessCanceledException=disabled -Dkotlin.internal.mode.enabled=true -Didea.additional.classpath=../idea-kotlin-runtime/kotlin-runtime.jar,../idea-kotlin-runtime/kotlin-reflect.jar" />
+    <option name="VM_PARAMETERS" value="-Xmx1024m -XX:ReservedCodeCacheSize=64m -XX:+HeapDumpOnOutOfMemoryError -ea -Didea.is.internal=true -Didea.debug.mode=true -Didea.system.path=../system-idea -Didea.config.path=../config-idea -Dapple.laf.useScreenMenuBar=true -Dapple.awt.graphics.UseQuartz=true -Dsun.io.useCanonCaches=false -Dplugin.path=$PROJECT_DIR$/out/artifacts/Kotlin -Didea.ProcessCanceledException=disabled -Dkotlin.internal.mode.enabled=true -Didea.additional.classpath=../idea-kotlin-runtime/kotlin-runtime.jar,../idea-kotlin-runtime/kotlin-reflect.jar" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/ideaSDK/bin" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-    <option name="ALTERNATIVE_JRE_PATH" value="" />
+    <option name="ALTERNATIVE_JRE_PATH" />
     <option name="ENABLE_SWING_INSPECTOR" value="false" />
     <option name="ENV_VARIABLES" />
     <option name="PASS_PARENT_ENVS" value="true" />
diff --git a/ultimate/.idea/runConfigurations/Ultimate_Plugin_Tests.xml b/ultimate/.idea/runConfigurations/Ultimate_Plugin_Tests.xml
index fc8896e9140..fb112f77b65 100644
--- a/ultimate/.idea/runConfigurations/Ultimate_Plugin_Tests.xml
+++ b/ultimate/.idea/runConfigurations/Ultimate_Plugin_Tests.xml
@@ -13,7 +13,7 @@
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
-    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx1200m -XX:MaxPermSize=400m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m" />
+    <option name="VM_PARAMETERS" value="-ea -XX:+HeapDumpOnOutOfMemoryError -Xmx1200m -XX:+UseCodeCacheFlushing -XX:ReservedCodeCacheSize=64m" />
     <option name="PARAMETERS" value="" />
     <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/.." />
     <option name="ENV_VARIABLES" />