diff --git a/application/baremetal/benchmark/coremark/npk.yml b/application/baremetal/benchmark/coremark/npk.yml
index 03b58be0..ab88e011 100644
--- a/application/baremetal/benchmark/coremark/npk.yml
+++ b/application/baremetal/benchmark/coremark/npk.yml
@@ -58,6 +58,3 @@ buildconfig:
               --param hot-bb-frequency-fraction=4 --param unroll-jam-min-percent=0
 
         condition: $( ${cpu_series} == 100 )
-  - type: clang
-    common_flags: # flags need to be combined together across all packages
-      - flags: -O3 -flto
diff --git a/application/baremetal/benchmark/dhrystone/npk.yml b/application/baremetal/benchmark/dhrystone/npk.yml
index 4b2031a7..d1ff41b6 100644
--- a/application/baremetal/benchmark/dhrystone/npk.yml
+++ b/application/baremetal/benchmark/dhrystone/npk.yml
@@ -63,17 +63,3 @@ buildconfig:
               -falign-functions=4 -falign-jumps=4 -falign-loops=8 -finline-functions
 
         condition: $( ${dhry_mode} == 'best' )
-  - type: clang
-    common_flags: # flags need to be combined together across all packages
-      - flags: >-
-              -Ofast -flto -fno-inline -fno-builtin-printf -funroll-loops -falign-functions=4 -falign-loops=4
-
-        condition: $( ${dhry_mode} == 'ground' )
-      - flags: >-
-              -Ofast -flto -finline -fno-builtin-printf -funroll-loops -falign-functions=4 -falign-loops=4 -finline-functions
-
-        condition: $( ${dhry_mode} == 'inline' )
-      - flags: >-
-              -O3 -flto -finline -fno-builtin-printf -funroll-loops -falign-functions=4 -falign-loops=4 -finline-functions
-
-        condition: $( ${dhry_mode} == 'best' )
diff --git a/application/baremetal/benchmark/whetstone/npk.yml b/application/baremetal/benchmark/whetstone/npk.yml
index 1a599e45..67fd5484 100644
--- a/application/baremetal/benchmark/whetstone/npk.yml
+++ b/application/baremetal/benchmark/whetstone/npk.yml
@@ -42,6 +42,3 @@ buildconfig:
   - type: gcc
     common_flags: # flags need to be combined together across all packages
       - flags: -O3 -funroll-loops -fsingle-precision-constant
-  - type: clang
-    common_flags: # flags need to be combined together across all packages
-      - flags: -O3 -funroll-loops -flto