diff --git a/include/openmc/bank.h b/include/openmc/bank.h
index 60d664638..da61b5117 100644
--- a/include/openmc/bank.h
+++ b/include/openmc/bank.h
@@ -7,11 +7,6 @@
 #include "openmc/particle.h"
 #include "openmc/position.h"
 
-// Without an explicit instantiation of vector<Bank>, the Intel compiler
-// will complain about the threadprivate directive on filter_matches. Note that
-// this has to happen *outside* of the openmc namespace
-extern template class std::vector<openmc::Particle::Bank>;
-
 namespace openmc {
 
 
diff --git a/include/openmc/tallies/derivative.h b/include/openmc/tallies/derivative.h
index 65650356d..a0db07da2 100644
--- a/include/openmc/tallies/derivative.h
+++ b/include/openmc/tallies/derivative.h
@@ -62,10 +62,6 @@ void zero_flux_derivs(std::vector<double> v);
 // Global variables
 //==============================================================================
 
-// Explicit vector template specialization declaration of threadprivate variable    
-// outside of the openmc namespace for the picky Intel compiler.   
-extern template class std::vector<openmc::TallyDerivative>;
-
 namespace openmc {
 
 namespace model {
diff --git a/include/openmc/tallies/tally.h b/include/openmc/tallies/tally.h
index 5706b8ccb..83cc21052 100644
--- a/include/openmc/tallies/tally.h
+++ b/include/openmc/tallies/tally.h
@@ -158,11 +158,6 @@ namespace simulation {
   extern "C" int32_t n_realizations;
 }
 
-// It is possible to protect accumulate operations on global tallies by using an
-// atomic update. However, when multiple threads accumulate to the same global
-// tally, it can cause a higher cache miss rate due to invalidation. Thus, we
-// use threadprivate variables to accumulate global tallies and then reduce at
-// the end of a generation.
 extern double global_tally_absorption;
 extern double global_tally_collision;
 extern double global_tally_tracklength;
diff --git a/src/simulation.cpp b/src/simulation.cpp
index 66ec9ed5f..85b2bf6be 100644
--- a/src/simulation.cpp
+++ b/src/simulation.cpp
@@ -417,7 +417,7 @@ void finalize_generation()
 {
   auto& gt = simulation::global_tallies;
 
-  // Update global tallies with the omp private accumulation variables
+  // Update global tallies with the accumulation variables
   if (settings::run_mode == RUN_MODE_EIGENVALUE) {
     gt(K_COLLISION, RESULT_VALUE) += global_tally_collision;
     gt(K_ABSORPTION, RESULT_VALUE) += global_tally_absorption;