diff --git a/CMakeLists.txt b/CMakeLists.txt
index 50fd4c7b..3bac7bfd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -578,8 +578,7 @@ endif()
 foreach(target _PyPartMC)
   target_compile_options(${target} PRIVATE
     $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX>
-    # $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic -Werror>
-    $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-unused-parameter>
+    $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic -Werror -Wno-unused-parameter>
   )
 endforeach()
 target_compile_definitions(_PyPartMC PRIVATE PMC_USE_SUNDIALS="1")
diff --git a/gitmodules/nanobind_json b/gitmodules/nanobind_json
index cb8a8565..58c78e5d 160000
--- a/gitmodules/nanobind_json
+++ b/gitmodules/nanobind_json
@@ -1 +1 @@
-Subproject commit cb8a8565cc3bc7510b448cea6e6ec9cff98a599b
+Subproject commit 58c78e5d4e5cf9981817c611c803af352cf2bef6
diff --git a/src/aero_particle.hpp b/src/aero_particle.hpp
index de47ca74..ca14e502 100644
--- a/src/aero_particle.hpp
+++ b/src/aero_particle.hpp
@@ -72,7 +72,6 @@ struct AeroParticle {
     {
         int len = AeroData::__len__(*self.aero_data);
         auto fn = f_aero_particle_volumes;
-        auto aero_data_ptr = self.aero_data->ptr.f_arg();
         return pypartmc::get_array_values_set_len(self, fn, len);
     }