diff --git a/libraries/stdlib/build.gradle b/libraries/stdlib/build.gradle
index 8952f201f01..34d5b078ef3 100644
--- a/libraries/stdlib/build.gradle
+++ b/libraries/stdlib/build.gradle
@@ -80,3 +80,5 @@ compileKotlin {
         ]
     }
 }
+
+kotlin.experimental.coroutines 'enable'
diff --git a/libraries/stdlib/jre7/build.gradle b/libraries/stdlib/jre7/build.gradle
index 96ae7f8e641..5418228b39a 100644
--- a/libraries/stdlib/jre7/build.gradle
+++ b/libraries/stdlib/jre7/build.gradle
@@ -15,7 +15,9 @@ sourceSets {
     test {
         kotlin {
             srcDir 'test'
-            srcDir '../test'
+            if(!System.properties.'idea.active') {
+                srcDir '../test'
+            }
         }
     }
 }
@@ -44,6 +46,8 @@ compileTestKotlin {
     kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package"]
 }
 
+kotlin.experimental.coroutines 'enable'
+
 test {
     executable = "$JDK_17/bin/java"
 }
diff --git a/libraries/stdlib/jre8/build.gradle b/libraries/stdlib/jre8/build.gradle
index e7fcb3a5bf0..fc579d16fa3 100644
--- a/libraries/stdlib/jre8/build.gradle
+++ b/libraries/stdlib/jre8/build.gradle
@@ -15,8 +15,10 @@ sourceSets {
     test {
         kotlin {
             srcDir 'test'
-            srcDir '../test'
-            srcDir '../jre7/test'
+            if(!System.properties.'idea.active') {
+                srcDir '../test'
+                srcDir '../jre7/test'
+            }
         }
     }
 }
@@ -47,6 +49,8 @@ compileTestKotlin {
     kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package"]
 }
 
+kotlin.experimental.coroutines 'enable'
+
 test {
     executable = "$JDK_18/bin/java"
 }
diff --git a/libraries/tools/runtime/build.gradle b/libraries/tools/runtime/build.gradle
index 7c60e78191f..dbb89e820f6 100644
--- a/libraries/tools/runtime/build.gradle
+++ b/libraries/tools/runtime/build.gradle
@@ -6,6 +6,7 @@ dependencies {
 }
 
 sourceSets {
+    if(!System.properties.'idea.active')
     main {
         java {
             srcDir "${rootDir}/../core/builtins/src"