diff --git a/cscs-checks/microbenchmarks/simd/nsimd.py b/cscs-checks/microbenchmarks/simd/nsimd.py
index 697978c427..78db51b901 100644
--- a/cscs-checks/microbenchmarks/simd/nsimd.py
+++ b/cscs-checks/microbenchmarks/simd/nsimd.py
@@ -96,7 +96,6 @@ def __init__(self):
             '-lsleef'
         ]
         self.maintainers = ['JG']
-        self.tags = {'benchmark', 'diagnostic'}
         self.exclusive = True
         self.num_tasks = 1
         self.num_tasks_per_node = 1
diff --git a/cscs-checks/microbenchmarks/simd/vc.py b/cscs-checks/microbenchmarks/simd/vc.py
index 987b0df93a..cc6cba50f0 100644
--- a/cscs-checks/microbenchmarks/simd/vc.py
+++ b/cscs-checks/microbenchmarks/simd/vc.py
@@ -44,7 +44,6 @@ def __init__(self):
             '-I$EBROOTVC/include']
         self.build_system.ldflags = ['-L$EBROOTVC/lib', '-lVc']
         self.maintainers = ['JG']
-        self.tags = {'benchmark', 'diagnostic'}
         self.exclusive = True
         self.num_tasks = 1
         self.num_tasks_per_node = 1