diff --git a/idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/ArtifactsTestUtil.java b/idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/ArtifactsTestUtil.java
index 5f62deb092e..c86f0b095f8 100644
--- a/idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/ArtifactsTestUtil.java
+++ b/idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/ArtifactsTestUtil.java
@@ -26,7 +26,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.jar.Attributes;
 import java.util.jar.Manifest;
-import static org.assertj.core.api.Assertions.*;
+import static org.junit.Assert.*;
 
 public class ArtifactsTestUtil {
     public static String printToString(PackagingElement element, int level) {
@@ -50,7 +50,7 @@ public class ArtifactsTestUtil {
     }
 
     public static void assertLayout(PackagingElement element, String expected) {
-        assertThat(printToString(element, 0)).isEqualTo(adjustMultiLine(expected));
+        assertEquals(adjustMultiLine(expected), printToString(element, 0));
     }
 
     private static String adjustMultiLine(String expected) {
@@ -75,11 +75,11 @@ public class ArtifactsTestUtil {
     }
 
     public static void assertOutputPath(Project project, String artifactName, String expected) {
-        assertThat(findArtifact(project, artifactName).getOutputPath()).isEqualTo(expected);
+        assertEquals(expected, findArtifact(project, artifactName).getOutputPath());
     }
 
     public static void assertOutputFileName(Project project, String artifactName, String expected) {
-        assertThat(findArtifact(project, artifactName).getRootElement().getName()).isEqualTo(expected);
+        assertEquals(expected, findArtifact(project, artifactName).getRootElement().getName());
     }
 
     public static void setOutput(final Project project, final String artifactName, final String outputPath) {
@@ -102,7 +102,7 @@ public class ArtifactsTestUtil {
     public static Artifact findArtifact(Project project, String artifactName) {
         final ArtifactManager manager = ArtifactManager.getInstance(project);
         final Artifact artifact = manager.findArtifact(artifactName);
-        assertThat(artifact).describedAs("'" + artifactName + "' artifact not found").isNotNull();
+        assertNotNull("\"'\" + artifactName + \"' artifact not found\"", artifact);
         return artifact;
     }
 
@@ -117,10 +117,10 @@ public class ArtifactsTestUtil {
             ArtifactType type,
             @Nullable String mainClass, @Nullable String classpath) {
         final VirtualFile file = ManifestFileUtil.findManifestFile(rootElement, context, type);
-        assertThat(file).isNotNull();
+        assertNotNull(file);
         final Manifest manifest = ManifestFileUtil.readManifest(file);
-        assertThat(manifest.getMainAttributes().getValue(Attributes.Name.MAIN_CLASS)).isEqualTo(mainClass);
-        assertThat(manifest.getMainAttributes().getValue(Attributes.Name.CLASS_PATH)).isEqualTo(classpath);
+        assertEquals(mainClass, manifest.getMainAttributes().getValue(Attributes.Name.MAIN_CLASS));
+        assertEquals(classpath, manifest.getMainAttributes().getValue(Attributes.Name.CLASS_PATH));
     }
 }