diff --git a/wpimath/src/main/native/cpp/geometry/Quaternion.cpp b/wpimath/src/main/native/cpp/geometry/Quaternion.cpp
index 3aad64c377..ea9b179ca8 100644
--- a/wpimath/src/main/native/cpp/geometry/Quaternion.cpp
+++ b/wpimath/src/main/native/cpp/geometry/Quaternion.cpp
@@ -8,8 +8,6 @@
 
 #include <wpi/json.h>
 
-#include "geometry3d.pb.h"
-
 using namespace frc;
 
 Quaternion::Quaternion(double w, double x, double y, double z)