diff --git a/wpilibj/src/main/java/edu/wpi/first/wpilibj/DutyCycleEncoder.java b/wpilibj/src/main/java/edu/wpi/first/wpilibj/DutyCycleEncoder.java
index 9c54dc1c9b..a0858cef92 100644
--- a/wpilibj/src/main/java/edu/wpi/first/wpilibj/DutyCycleEncoder.java
+++ b/wpilibj/src/main/java/edu/wpi/first/wpilibj/DutyCycleEncoder.java
@@ -30,11 +30,11 @@ public class DutyCycleEncoder implements Sendable, AutoCloseable {
   private double m_sensorMin;
   private double m_sensorMax = 1.0;
 
-  protected SimDevice m_simDevice;
-  protected SimDouble m_simPosition;
-  protected SimDouble m_simAbsolutePosition;
-  protected SimDouble m_simDistancePerRotation;
-  protected SimBoolean m_simIsConnected;
+  private SimDevice m_simDevice;
+  private SimDouble m_simPosition;
+  private SimDouble m_simAbsolutePosition;
+  private SimDouble m_simDistancePerRotation;
+  private SimBoolean m_simIsConnected;
 
   /**
    * Construct a new DutyCycleEncoder on a specific channel.
diff --git a/wpilibj/src/main/java/edu/wpi/first/wpilibj/Servo.java b/wpilibj/src/main/java/edu/wpi/first/wpilibj/Servo.java
index a4553fbc7a..10f07a1d08 100644
--- a/wpilibj/src/main/java/edu/wpi/first/wpilibj/Servo.java
+++ b/wpilibj/src/main/java/edu/wpi/first/wpilibj/Servo.java
@@ -19,8 +19,8 @@ public class Servo extends PWM {
   private static final double kMaxServoAngle = 180.0;
   private static final double kMinServoAngle = 0.0;
 
-  protected static final int kDefaultMaxServoPWM = 2400;
-  protected static final int kDefaultMinServoPWM = 600;
+  private static final int kDefaultMaxServoPWM = 2400;
+  private static final int kDefaultMinServoPWM = 600;
 
   /**
    * Constructor.<br>