diff --git a/ApiDemos/project/build.gradle.kts b/ApiDemos/project/build.gradle.kts
index cd0212623..f543f464e 100644
--- a/ApiDemos/project/build.gradle.kts
+++ b/ApiDemos/project/build.gradle.kts
@@ -40,5 +40,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.layout.projectDirectory)
+    delete(rootProject.layout.buildDirectory)
 }
diff --git a/tutorials/java/CurrentPlaceDetailsOnMap/build.gradle.kts b/tutorials/java/CurrentPlaceDetailsOnMap/build.gradle.kts
index ed87dff71..3b9028321 100644
--- a/tutorials/java/CurrentPlaceDetailsOnMap/build.gradle.kts
+++ b/tutorials/java/CurrentPlaceDetailsOnMap/build.gradle.kts
@@ -39,5 +39,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }
diff --git a/tutorials/java/MapWithMarker/build.gradle.kts b/tutorials/java/MapWithMarker/build.gradle.kts
index 5abc3ecf1..5a8e87415 100644
--- a/tutorials/java/MapWithMarker/build.gradle.kts
+++ b/tutorials/java/MapWithMarker/build.gradle.kts
@@ -35,5 +35,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }
diff --git a/tutorials/java/Polygons/build.gradle.kts b/tutorials/java/Polygons/build.gradle.kts
index 5abc3ecf1..5a8e87415 100644
--- a/tutorials/java/Polygons/build.gradle.kts
+++ b/tutorials/java/Polygons/build.gradle.kts
@@ -35,5 +35,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }
diff --git a/tutorials/kotlin/CurrentPlaceDetailsOnMap/build.gradle.kts b/tutorials/kotlin/CurrentPlaceDetailsOnMap/build.gradle.kts
index 609e6617e..35ba9bfbf 100644
--- a/tutorials/kotlin/CurrentPlaceDetailsOnMap/build.gradle.kts
+++ b/tutorials/kotlin/CurrentPlaceDetailsOnMap/build.gradle.kts
@@ -42,5 +42,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }
diff --git a/tutorials/kotlin/Polygons/build.gradle.kts b/tutorials/kotlin/Polygons/build.gradle.kts
index 404eb7c4f..2aa415768 100644
--- a/tutorials/kotlin/Polygons/build.gradle.kts
+++ b/tutorials/kotlin/Polygons/build.gradle.kts
@@ -39,5 +39,5 @@ allprojects {
 }
 
 tasks.register<Delete>("clean") {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }