diff --git a/src/particle.cpp b/src/particle.cpp
index 48cf2c77b..3e91e55c4 100644
--- a/src/particle.cpp
+++ b/src/particle.cpp
@@ -35,33 +35,6 @@
 
 namespace openmc {
 
-//==============================================================================
-// LocalCoord implementation
-//==============================================================================
-
-void LocalCoord::rotate(const vector<double>& rotation)
-{
-  r = r.rotate(rotation);
-  u = u.rotate(rotation);
-  rotated = true;
-}
-
-void
-LocalCoord::reset()
-{
-  cell = C_NONE;
-  universe = C_NONE;
-  lattice = C_NONE;
-  lattice_x = 0;
-  lattice_y = 0;
-  lattice_z = 0;
-  rotated = false;
-}
-
-//==============================================================================
-// Particle implementation
-//==============================================================================
-
 void Particle::create_secondary(
   double wgt, Direction u, double E, ParticleType type)
 {
diff --git a/src/particle_data.cpp b/src/particle_data.cpp
index 7f1f9f456..701e6cbc0 100644
--- a/src/particle_data.cpp
+++ b/src/particle_data.cpp
@@ -10,6 +10,24 @@
 
 namespace openmc {
 
+void LocalCoord::rotate(const vector<double>& rotation)
+{
+  r = r.rotate(rotation);
+  u = u.rotate(rotation);
+  rotated = true;
+}
+
+void LocalCoord::reset()
+{
+  cell = C_NONE;
+  universe = C_NONE;
+  lattice = C_NONE;
+  lattice_i[0] = 0;
+  lattice_i[1] = 0;
+  lattice_i[2] = 0;
+  rotated = false;
+}
+
 ParticleData::ParticleData()
 {
   // Create and clear coordinate levels