diff --git a/groth16/partial/finish.nim b/groth16/partial/finish.nim
index e332060..51fbb26 100644
--- a/groth16/partial/finish.nim
+++ b/groth16/partial/finish.nim
@@ -36,7 +36,6 @@ proc finishPartialProofWithMask*( zkey: ZKey, wtns: Witness, partialProof: Parti
   #   echo( "wtns.curve        = " & ($wtns.curve       ) )
 
   assert( zkey.header.curve == wtns.curve )
-  var start : float = 0
 
   let witness = wtns.values
 
@@ -89,12 +88,10 @@ proc finishPartialProofWithMask*( zkey: ZKey, wtns: Witness, partialProof: Parti
           compact_pointsC1[k] = pts.pointsC1[ i - startIdx ]
           k += 1
 
-  start = cpuTime()
   var abc : ABC 
   withMeasureTime(printTimings,"building 'ABC'"):
     abc = buildABC( zkey, witness )
 
-  start = cpuTime()
   var qs : seq[Fr[BN254_Snarks]]
   withMeasureTime(printTimings,"computing the quotient (FFTs)"):
     case zkey.header.flavour
diff --git a/groth16/partial/precalc.nim b/groth16/partial/precalc.nim
index b0f8d68..c9e1f7d 100644
--- a/groth16/partial/precalc.nim
+++ b/groth16/partial/precalc.nim
@@ -37,7 +37,6 @@ proc generatePartialProof*( zkey: ZKey, pwtns: PartialWitness, pool: Taskpool, p
     {.fatal: "Compile with arc/orc!".}
 
   # assert( zkey.header.curve == wtns.curve )
-  var start : float = 0
 
   let partial_witness = pwtns.values
 
@@ -96,12 +95,10 @@ proc generatePartialProof*( zkey: ZKey, pwtns: PartialWitness, pool: Taskpool, p
           k += 1
       
 #[
-  start = cpuTime()
   var abc : ABC 
   withMeasureTime(printTimings,"building 'ABC'"):
     abc = buildABC( zkey, witness )
 
-  start = cpuTime()
   var qs : seq[Fr[BN254_Snarks]]
   withMeasureTime(printTimings,"computing the quotient (FFTs)"):
     case zkey.header.flavour
diff --git a/groth16/prover/groth16.nim b/groth16/prover/groth16.nim
index 02e084d..cbae72f 100644
--- a/groth16/prover/groth16.nim
+++ b/groth16/prover/groth16.nim
@@ -41,7 +41,6 @@ proc generateProofWithMask*( zkey: ZKey, wtns: Witness, mask: Mask, pool: Taskpo
   #   echo( "wtns.curve        = " & ($wtns.curve       ) )
 
   assert( zkey.header.curve == wtns.curve )
-  var start : float = 0
 
   let witness = wtns.values
 
@@ -58,12 +57,10 @@ proc generateProofWithMask*( zkey: ZKey, wtns: Witness, mask: Mask, pool: Taskpo
   var pubIO = newSeq[Fr[BN254_Snarks]]( npubs + 1)
   for i in 0..npubs: pubIO[i] = witness[i]             
 
-  start = cpuTime()
   var abc : ABC 
   withMeasureTime(printTimings,"building 'ABC'"):
     abc = buildABC( zkey, witness )
 
-  start = cpuTime()
   var qs : seq[Fr[BN254_Snarks]]
   withMeasureTime(printTimings,"computing the quotient (FFTs)"):
     case zkey.header.flavour