diff --git a/apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py b/apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py
index 999f76d3cd8f69fe9bbcab4dd7ca781fe10e3a9a..a751f35a43bab045b19e3ec94253f6930aacb839 100644
--- a/apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py
+++ b/apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py
@@ -137,7 +137,7 @@ stream_hydro = create_lb_update_rule(stencil=stencil_hydro,
 # GENERATE SWEEPS #
 ###################
 
-cpu_vec = {'instruction_set': 'sse', 'assume_inner_stride_one': True, 'nontemporal': True}
+cpu_vec = {'assume_inner_stride_one': True, 'nontemporal': True}
 
 vp = [('int32_t', 'cudaBlockSize0'),
       ('int32_t', 'cudaBlockSize1')]
diff --git a/apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py b/apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py
index 497e00299d059134feb49a845850daf05e3463fb..5621212eb39209d4c8bc4996beedb72572943f2e 100644
--- a/apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py
+++ b/apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py
@@ -150,7 +150,7 @@ stream_hydro = create_lb_update_rule(stencil=stencil_hydro,
 ###################
 # GENERATE SWEEPS #
 ###################
-cpu_vec = {'instruction_set': 'sse', 'assume_inner_stride_one': True, 'nontemporal': True}
+cpu_vec = {'assume_inner_stride_one': True, 'nontemporal': True}
 
 vp = [('int32_t', 'cudaBlockSize0'),
       ('int32_t', 'cudaBlockSize1')]
diff --git a/tests/lbm/codegen/GeneratedOutflowBC.py b/tests/lbm/codegen/GeneratedOutflowBC.py
index 59a916fec926acfc8d83ef170046034c407cb018..c3d4fc9857f46500a10364d7d73e24c9a847812e 100644
--- a/tests/lbm/codegen/GeneratedOutflowBC.py
+++ b/tests/lbm/codegen/GeneratedOutflowBC.py
@@ -40,8 +40,6 @@ method = create_lb_method(**options)
 setter_assignments = macroscopic_values_setter(method, velocity=velocity_field.center_vector,
                                                pdfs=pdfs, density=1)
 
-# opt = {'instruction_set': 'sse', 'assume_aligned': True, 'nontemporal': False, 'assume_inner_stride_one': True}
-
 update_rule = create_lb_update_rule(lb_method=method, **options)
 
 info_header = f"""
diff --git a/tests/simd/CMakeLists.txt b/tests/simd/CMakeLists.txt
index 6fa07c3c58231be9683bfc0f8c4eeeb1469177aa..843dd93158ead79e0aabfdeac00cd909ebea4054 100644
--- a/tests/simd/CMakeLists.txt
+++ b/tests/simd/CMakeLists.txt
@@ -8,7 +8,7 @@
 
 # builds the test
 
-if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
+if ( WALBERLA_CXX_COMPILER_IS_GNU OR (WALBERLA_CXX_COMPILER_IS_CLANG AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")) )
   set( MarchNativeString "-march=native" )
 endif()