diff --git a/configs/ruby/AMD_Base_Constructor.py b/configs/ruby/AMD_Base_Constructor.py
index 1abc6d7..7f4fb43 100644
--- a/configs/ruby/AMD_Base_Constructor.py
+++ b/configs/ruby/AMD_Base_Constructor.py
@@ -102,9 +102,7 @@
     parser.add_argument("--cpu-to-dir-latency", type=int, default=15)
 
 def construct(options, system, ruby_system):
-    if (buildEnv['PROTOCOL'] != 'GPU_VIPER' or
-        buildEnv['PROTOCOL'] != 'GPU_VIPER_Region' or
-        buildEnv['PROTOCOL'] != 'GPU_VIPER_Baseline'):
+    if buildEnv['PROTOCOL'] != 'GPU_VIPER':
         panic("This script requires VIPER based protocols \
         to be built.")
     cpu_sequencers = []
diff --git a/src/mem/ruby/protocol/SConsopts b/src/mem/ruby/protocol/SConsopts
index ad3bd2f..03b87b4 100644
--- a/src/mem/ruby/protocol/SConsopts
+++ b/src/mem/ruby/protocol/SConsopts
@@ -32,9 +32,6 @@
 
 main.Append(ALL_PROTOCOLS=[
     'GPU_VIPER',
-    'GPU_VIPER_Baseline',
-    'GPU_VIPER_Region',
-    'GPU_RfO',
     'MOESI_AMD_Base',
     'MESI_Two_Level',
     'MESI_Three_Level',