Rm unused Mockito in CcToolchainProviderHelperTest.

RELNOTES: None
PiperOrigin-RevId: 302630585
diff --git a/src/test/java/com/google/devtools/build/lib/rules/cpp/BUILD b/src/test/java/com/google/devtools/build/lib/rules/cpp/BUILD
index ef73c25..8ef2f26 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/cpp/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/rules/cpp/BUILD
@@ -170,7 +170,6 @@
         "//src/main/java/com/google/devtools/build/lib/rules/cpp",
         "//src/test/java/com/google/devtools/build/lib/analysis/util",
         "//third_party:junit4",
-        "//third_party:mockito",
         "//third_party:truth",
     ],
 )
diff --git a/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainProviderHelperTest.java b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainProviderHelperTest.java
index 26c07ea..111d0bf 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainProviderHelperTest.java
+++ b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainProviderHelperTest.java
@@ -22,17 +22,13 @@
 import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
 import java.io.IOException;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
 
 /** Unit tests for {@code CcToolchainProviderHelper} */
 @RunWith(JUnit4.class)
 public class CcToolchainProviderHelperTest extends BuildViewTestCase {
-  @Rule public final MockitoRule mockito = MockitoJUnit.rule();
 
   @Before
   public void createFooFooCcLibraryForRuleContext() throws IOException {