diff --git a/plugins/gradle/tooling-extension-impl/src/com/intellij/gradle/toolingExtension/impl/model/sourceSetModel/DefaultGradleSourceSetModel.java b/plugins/gradle/tooling-extension-impl/src/com/intellij/gradle/toolingExtension/impl/model/sourceSetModel/DefaultGradleSourceSetModel.java
index 68c26ce6af3b..20f0db69678a 100644
--- a/plugins/gradle/tooling-extension-impl/src/com/intellij/gradle/toolingExtension/impl/model/sourceSetModel/DefaultGradleSourceSetModel.java
+++ b/plugins/gradle/tooling-extension-impl/src/com/intellij/gradle/toolingExtension/impl/model/sourceSetModel/DefaultGradleSourceSetModel.java
@@ -5,7 +5,6 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.plugins.gradle.model.DefaultExternalSourceSet;
-import org.jetbrains.plugins.gradle.model.ExternalSourceSet;
 import org.jetbrains.plugins.gradle.model.GradleSourceSetModel;
 
 import java.io.File;
@@ -31,18 +30,6 @@ public final class DefaultGradleSourceSetModel implements GradleSourceSetModel {
     additionalArtifacts = new ArrayList<>(0);
   }
 
-  public DefaultGradleSourceSetModel(@NotNull GradleSourceSetModel sourceSetModel) {
-    sourceCompatibility = sourceSetModel.getSourceCompatibility();
-    targetCompatibility = sourceSetModel.getTargetCompatibility();
-    taskArtifacts = sourceSetModel.getTaskArtifacts();
-    configurationArtifacts = sourceSetModel.getConfigurationArtifacts();
-    sourceSets = new LinkedHashMap<>();
-    for (Map.Entry<String, ? extends ExternalSourceSet> entry : sourceSetModel.getSourceSets().entrySet()) {
-      sourceSets.put(entry.getKey(), new DefaultExternalSourceSet(entry.getValue()));
-    }
-    additionalArtifacts = new ArrayList<>(sourceSetModel.getAdditionalArtifacts());
-  }
-
   @Override
   public @Nullable String getSourceCompatibility() {
     return sourceCompatibility;
diff --git a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalProject.java b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalProject.java
index e69666744cd2..8e9a1c21d15a 100644
--- a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalProject.java
+++ b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalProject.java
@@ -52,35 +52,6 @@ public final class DefaultExternalProject implements ExternalProject, ExternalPr
     sourceSetModel = new DefaultGradleSourceSetModel();
   }
 
-  public DefaultExternalProject(@NotNull ExternalProject externalProject) {
-    id = externalProject.getId();
-    path = externalProject.getPath();
-    identityPath = externalProject.getIdentityPath();
-    name = externalProject.getName();
-    qName = externalProject.getQName();
-    version = externalProject.getVersion();
-    group = externalProject.getGroup();
-    description = externalProject.getDescription();
-    projectDir = externalProject.getProjectDir();
-    buildDir = externalProject.getBuildDir();
-    buildFile = externalProject.getBuildFile();
-    externalSystemId = externalProject.getExternalSystemId();
-
-    Map<String, ? extends ExternalProject> externalProjectChildProjects = externalProject.getChildProjects();
-    childProjects = new TreeMap<>();
-    for (Map.Entry<String, ? extends ExternalProject> entry : externalProjectChildProjects.entrySet()) {
-      childProjects.put(entry.getKey(), new DefaultExternalProject(entry.getValue()));
-    }
-
-    Map<String, ? extends ExternalTask> externalProjectTasks = externalProject.getTasks();
-    tasks = new HashMap<>(externalProjectTasks.size());
-    for (Map.Entry<String, ? extends ExternalTask> entry : externalProjectTasks.entrySet()) {
-      this.tasks.put(entry.getKey(), new DefaultExternalTask(entry.getValue()));
-    }
-
-    sourceSetModel = new DefaultGradleSourceSetModel(externalProject.getSourceSetModel());
-  }
-
   @NotNull
   @Override
   public String getExternalSystemId() {
@@ -177,20 +148,12 @@ public final class DefaultExternalProject implements ExternalProject, ExternalPr
     return sourceSetModel.getSourceCompatibility();
   }
 
-  public void setSourceCompatibility(@Nullable String sourceCompatibility) {
-    sourceSetModel.setSourceCompatibility(sourceCompatibility);
-  }
-
   @Override
   @Nullable
   public String getTargetCompatibility() {
     return sourceSetModel.getTargetCompatibility();
   }
 
-  public void setTargetCompatibility(@Nullable String targetCompatibility) {
-    sourceSetModel.setTargetCompatibility(targetCompatibility);
-  }
-
   @NotNull
   @Override
   public Map<String, DefaultExternalProject> getChildProjects() {
@@ -275,14 +238,6 @@ public final class DefaultExternalProject implements ExternalProject, ExternalPr
     return sourceSetModel.getTaskArtifacts();
   }
 
-  public void setArtifacts(@NotNull List<File> artifacts) {
-    sourceSetModel.setTaskArtifacts(artifacts);
-  }
-
-  public void setArtifactsByConfiguration(@NotNull Map<String, Set<File>> artifactsByConfiguration) {
-    sourceSetModel.setConfigurationArtifacts(artifactsByConfiguration);
-  }
-
   @NotNull
   @Override
   public Map<String, Set<File>> getArtifactsByConfiguration() {
diff --git a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceDirectorySet.java b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceDirectorySet.java
index 40bcf2de58b4..bd0ab7bc2745 100644
--- a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceDirectorySet.java
+++ b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceDirectorySet.java
@@ -28,22 +28,6 @@ public final class DefaultExternalSourceDirectorySet implements ExternalSourceDi
     patterns = new FilePatternSetImpl();
   }
 
-  public DefaultExternalSourceDirectorySet(ExternalSourceDirectorySet sourceDirectorySet) {
-    name = sourceDirectorySet.getName();
-    srcDirs = new HashSet<>(sourceDirectorySet.getSrcDirs());
-    outputDir = sourceDirectorySet.getOutputDir();
-    gradleOutputDirs = new ArrayList<>(sourceDirectorySet.getGradleOutputDirs());
-
-    patterns = new FilePatternSetImpl(sourceDirectorySet.getIncludes(),
-                                      sourceDirectorySet.getExcludes());
-
-    filters = new ArrayList<>(sourceDirectorySet.getFilters().size());
-    for (ExternalFilter filter : sourceDirectorySet.getFilters()) {
-      filters.add(new DefaultExternalFilter(filter));
-    }
-    inheritedCompilerOutput = sourceDirectorySet.isCompilerOutputPathInherited();
-  }
-
   @NotNull
   @Override
   public String getName() {
diff --git a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
index da0d22f8bf04..1e2316b26cfb 100644
--- a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
+++ b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
@@ -2,7 +2,6 @@
 package org.jetbrains.plugins.gradle.model;
 
 import com.intellij.openapi.externalSystem.model.project.ExternalSystemSourceType;
-import com.intellij.openapi.externalSystem.model.project.IExternalSystemSourceType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -34,17 +33,6 @@ public final class DefaultExternalSourceSet implements ExternalSourceSet {
     artifacts = new ArrayList<>(0);
   }
 
-  public DefaultExternalSourceSet(ExternalSourceSet sourceSet) {
-    name = sourceSet.getName();
-    isPreview = sourceSet.isPreview();
-    javaToolchainHome = sourceSet.getJavaToolchainHome();
-    sourceCompatibility = sourceSet.getSourceCompatibility();
-    targetCompatibility = sourceSet.getTargetCompatibility();
-    artifacts = copyArtifacts(sourceSet.getArtifacts());
-    dependencies = ModelFactory.createCopy(sourceSet.getDependencies());
-    sources = copySources(sourceSet.getSources());
-  }
-
   @Override
   public @NotNull String getName() {
     return name;
@@ -131,27 +119,4 @@ public final class DefaultExternalSourceSet implements ExternalSourceSet {
     return "sourceSet '" + name + '\'' ;
   }
 
-  private static @NotNull Map<ExternalSystemSourceType, DefaultExternalSourceDirectorySet> copySources(
-    @Nullable Map<? extends IExternalSystemSourceType, ? extends ExternalSourceDirectorySet> sources
-  ) {
-    if (sources == null) {
-      // Collection can be modified outside by mutation methods
-      return new LinkedHashMap<>(0);
-    }
-    Map<ExternalSystemSourceType, DefaultExternalSourceDirectorySet> result = new LinkedHashMap<>(sources.size());
-    for (Map.Entry<? extends IExternalSystemSourceType, ? extends ExternalSourceDirectorySet> entry : sources.entrySet()) {
-      ExternalSystemSourceType sourceType = ExternalSystemSourceType.from(entry.getKey());
-      DefaultExternalSourceDirectorySet directorySet = new DefaultExternalSourceDirectorySet(entry.getValue());
-      result.put(sourceType, directorySet);
-    }
-    return result;
-  }
-
-  private static @NotNull Collection<File> copyArtifacts(@Nullable Collection<File> artifacts) {
-    if (artifacts == null) {
-      // Collection can be modified outside by mutation methods
-      return new ArrayList<>(0);
-    }
-    return new ArrayList<>(artifacts);
-  }
 }