diff --git a/gson/src/main/java/com/google/gson/DisjunctionExclusionStrategy.java b/gson/src/main/java/com/google/gson/DisjunctionExclusionStrategy.java
index c7974b1a..87194051 100644
--- a/gson/src/main/java/com/google/gson/DisjunctionExclusionStrategy.java
+++ b/gson/src/main/java/com/google/gson/DisjunctionExclusionStrategy.java
@@ -27,7 +27,7 @@ import java.util.Collection;
 final class DisjunctionExclusionStrategy implements ExclusionStrategy {
   private final Collection<ExclusionStrategy> strategies;
 
-  public DisjunctionExclusionStrategy(Collection<ExclusionStrategy> strategies) {
+  DisjunctionExclusionStrategy(Collection<ExclusionStrategy> strategies) {
     Preconditions.checkNotNull(strategies);
     this.strategies = strategies;
   }
diff --git a/gson/src/main/java/com/google/gson/GsonBuilder.java b/gson/src/main/java/com/google/gson/GsonBuilder.java
index a5115fdd..f948a4ed 100644
--- a/gson/src/main/java/com/google/gson/GsonBuilder.java
+++ b/gson/src/main/java/com/google/gson/GsonBuilder.java
@@ -464,7 +464,7 @@ public final class GsonBuilder {
    */
   public GsonBuilder registerTypeHierarchyAdapter(Class<?> baseType, Object typeAdapter) {
     Preconditions.checkArgument(typeAdapter instanceof JsonSerializer<?>
-    || typeAdapter instanceof JsonDeserializer<?> || typeAdapter instanceof InstanceCreator<?>);
+      || typeAdapter instanceof JsonDeserializer<?> || typeAdapter instanceof InstanceCreator<?>);
     if (typeAdapter instanceof InstanceCreator<?>) {
       registerInstanceCreatorForTypeHierarchy(baseType, (InstanceCreator<?>) typeAdapter);
     }
diff --git a/gson/src/main/java/com/google/gson/ModifyFirstLetterNamingPolicy.java b/gson/src/main/java/com/google/gson/ModifyFirstLetterNamingPolicy.java
index a5884397..87fd35f5 100644
--- a/gson/src/main/java/com/google/gson/ModifyFirstLetterNamingPolicy.java
+++ b/gson/src/main/java/com/google/gson/ModifyFirstLetterNamingPolicy.java
@@ -62,7 +62,7 @@ final class ModifyFirstLetterNamingPolicy extends RecursiveFieldNamingPolicy {
    * @param modifier the type of modification that should be performed
    * @throws IllegalArgumentException if {@code modifier} is null
    */
-  public ModifyFirstLetterNamingPolicy(LetterModifier modifier) {
+  ModifyFirstLetterNamingPolicy(LetterModifier modifier) {
     Preconditions.checkNotNull(modifier);
     this.letterModifier = modifier;
   }
diff --git a/gson/src/main/java/com/google/gson/VersionExclusionStrategy.java b/gson/src/main/java/com/google/gson/VersionExclusionStrategy.java
index 8bd726f3..8f80389b 100644
--- a/gson/src/main/java/com/google/gson/VersionExclusionStrategy.java
+++ b/gson/src/main/java/com/google/gson/VersionExclusionStrategy.java
@@ -28,7 +28,7 @@ import com.google.gson.annotations.Until;
 final class VersionExclusionStrategy implements ExclusionStrategy {
   private final double version;
 
-  public VersionExclusionStrategy(double version) {
+  VersionExclusionStrategy(double version) {
     Preconditions.checkArgument(version >= 0.0D);
     this.version = version;
   }