diff --git a/synthDC/Makefile b/synthDC/Makefile
index 4f6b10a7b..034b2f86e 100755
--- a/synthDC/Makefile
+++ b/synthDC/Makefile
@@ -21,7 +21,6 @@ export MAXCORES ?= 1
 export MAXOPT ?= 0
 export DRIVE ?= FLOP
 export USESRAM ?= 0
-export USETOPO ?= 0
 
 time := $(shell date +%F-%H-%M)
 hash := $(shell git rev-parse --short HEAD)
@@ -50,18 +49,6 @@ DIRS = $(DIRS32) $(DIRS64)
 
 configs: $(CONFIG)
 $(CONFIG):
-ifeq ($(USETOPO), 0))
-ifeq ($(TECH), tsmc28psyn))
-	@echo "Bad configuration: you cannot use physical synthesis without tsmc28psyn and usetopo (i.e., -topo)"
-	exit 1
-endif
-endif
-ifeq ($(USETOPO), 1))
-ifneq ($(TECH), tsmc28psyn))
-	@echo "Bad configuration: you cannot use usetopo (i.e., -topo) without tsmc28psyn"
-	exit 1
-endif
-endif
 	@echo $(CONFIG)
 	cp -r $(OLDCONFIGDIR)/shared/*.vh $(CONFIGDIR)
 	cp -r $(OLDCONFIGDIR)/$(CONFIG)/* $(CONFIGDIR)
@@ -138,11 +125,10 @@ mkdirecs:
 synth: mkdirecs configs rundc clean
 
 rundc:
-ifeq ($(USETOPO), 0)
-	dc_shell-xg-t -64bit -f scripts/$(NAME).tcl | tee $(OUTPUTDIR)/$(NAME).out
-else
-	
+ifeq ($(TECH), tsmc28psyn)
 	dc_shell-xg-t -64bit -topographical_mode -f scripts/$(NAME).tcl | tee $(OUTPUTDIR)/$(NAME).out
+else
+	dc_shell-xg-t -64bit -f scripts/$(NAME).tcl | tee $(OUTPUTDIR)/$(NAME).out	
 endif
 
 
diff --git a/synthDC/wallySynth.py b/synthDC/wallySynth.py
index ef93da7fe..73bb58698 100755
--- a/synthDC/wallySynth.py
+++ b/synthDC/wallySynth.py
@@ -5,9 +5,9 @@ import subprocess
 from multiprocessing import Pool
 import argparse
 
-def runSynth(config, mod, tech, freq, maxopt, usesram, usetopo):
+def runSynth(config, mod, tech, freq, maxopt, usesram):
     global pool
-    command = "make synth DESIGN=wallypipelinedcore CONFIG={} MOD={} TECH={} DRIVE=FLOP FREQ={} MAXOPT={} USESRAM={} USETOPO={} MAXCORES=1".format(config, mod, tech, freq, maxopt, usesram, usetopo)
+    command = "make synth DESIGN=wallypipelinedcore CONFIG={} MOD={} TECH={} DRIVE=FLOP FREQ={} MAXOPT={} USESRAM={} MAXCORES=1".format(config, mod, tech, freq, maxopt, usesram)
     pool.map(mask, [command])
 
 def mask(command):
@@ -34,34 +34,32 @@ if __name__ == '__main__':
     parser.add_argument("-e", "--tech", choices=techs, help = "Technology")
     parser.add_argument("-o", "--maxopt", action='store_true', help = "Turn on MAXOPT")
     parser.add_argument("-r", "--usesram", action='store_true', help = "Use SRAM modules")
-    parser.add_argument("-topo", "--usetopo", action='store_true', help = "Run physical synthesis")	
 
     args = parser.parse_args()
 
     tech = args.tech if args.tech else 'sky90'
     maxopt = int(args.maxopt)
     usesram = int(args.usesram)
-    usetopo = int(args.usetopo)	
     mod = 'orig'
 
     if args.freqsweep:
         sc = args.freqsweep
         config = args.version if args.version else 'rv32e'
         for freq in [round(sc+sc*x/100) for x in freqVaryPct]: # rv32e freq sweep
-            runSynth(config, mod, tech, freq, maxopt, usesram, usetopo)
+            runSynth(config, mod, tech, freq, maxopt, usesram)
     elif args.configsweep:
         defaultfreq = 1500 if tech == 'sky90' else 5000
         freq = args.targetfreq if args.targetfreq else defaultfreq
         for config in ['rv32i', 'rv64gc', 'rv64i', 'rv32gc', 'rv32imc', 'rv32e']: #configs
-            runSynth(config, mod, tech, freq, maxopt, usesram, usetopo)
+            runSynth(config, mod, tech, freq, maxopt, usesram)
     elif args.featuresweep:
         defaultfreq = 500 if tech == 'sky90' else 1500
         freq = args.targetfreq if args.targetfreq else defaultfreq
         config = args.version if args.version else 'rv64gc'
         for mod in ['noFPU', 'noMulDiv', 'noPriv', 'PMP0', 'orig']: 
-            runSynth(config, mod, tech, freq, maxopt, usesram, usetopo)
+            runSynth(config, mod, tech, freq, maxopt, usesram)
     else:
         defaultfreq = 500 if tech == 'sky90' else 1500
         freq = args.targetfreq if args.targetfreq else defaultfreq
         config = args.version if args.version else 'rv64gc'
-        runSynth(config, mod, tech, freq, maxopt, usesram, usetopo)
+        runSynth(config, mod, tech, freq, maxopt, usesram)