diff --git a/auction/build/main.aleo b/auction/build/main.aleo
index 480fe0c..0ebd409 100644
--- a/auction/build/main.aleo
+++ b/auction/build/main.aleo
@@ -8,11 +8,9 @@ record Bid:
 
 
 function place_bid:
-    input r0 as address.private;
-    input r1 as u64.private;
-    assert.eq self.caller r0;
-    cast aleo1fxs9s0w97lmkwlcmgn0z3nuxufdee5yck9wqrs0umevp7qs0sg9q5xxxzh r0 r1 false into r2 as Bid.record;
-    output r2 as Bid.record;
+    input r0 as u64.private;
+    cast aleo1fxs9s0w97lmkwlcmgn0z3nuxufdee5yck9wqrs0umevp7qs0sg9q5xxxzh self.caller r0 false into r1 as Bid.record;
+    output r1 as Bid.record;
 
 
 function resolve:
diff --git a/auction/inputs/auction.in b/auction/inputs/auction.in
index c3471d4..84e79a8 100644
--- a/auction/inputs/auction.in
+++ b/auction/inputs/auction.in
@@ -1,9 +1,5 @@
 // The program input for auction/src/main.leo
 [place_bid]
-// Note that `bidder` must have the same address as the caller (refer to `program.json`).
-//   Swapping the below lines, will result in an error.
-// bidder: address = aleo1y7065c2jxkra5yzu9jfxq55klweqev0zas89lt9nxmfrqrafmq9qw2ktdg;
-bidder: address = aleo1fxs9s0w97lmkwlcmgn0z3nuxufdee5yck9wqrs0umevp7qs0sg9q5xxxzh;
 amount: u64 = 90u64;
 
 [resolve]
diff --git a/auction/run.sh b/auction/run.sh
index 560c345..a07fcfd 100755
--- a/auction/run.sh
+++ b/auction/run.sh
@@ -55,7 +55,7 @@ echo "
 ########                                                               ########
 ###############################################################################
 "
-leo run place_bid aleo1yzlta2q5h8t0fqe0v6dyh9mtv4aggd53fgzr068jvplqhvqsnvzq7pj2ke 10u64 || exit
+leo run place_bid 10u64 || exit
 
 # Swap in the private key and address of the second bidder to .env.
 echo "
@@ -77,7 +77,7 @@ echo "
 ########                                                               ########
 ###############################################################################
 "
-leo run place_bid aleo1esqchvevwn7n5p84e735w4dtwt2hdtu4dpguwgwy94tsxm2p7qpqmlrta4 90u64 || exit
+leo run place_bid 90u64 || exit
 
 # Swap in the private key and address of the auctioneer to .env.
 echo "
diff --git a/auction/src/main.leo b/auction/src/main.leo
index ae94841..0442274 100644
--- a/auction/src/main.leo
+++ b/auction/src/main.leo
@@ -15,18 +15,14 @@ program auction.aleo {
     }
 
     // Returns a new bid.
-    // - `bidder` : The address of the account that placed the bid.
     // - `amount` : The amount of the bid.
-    // Requires that `bidder` matches the function caller.
     // The owner of the record is set to the entity responsible for running the auction (auction runner).
     // The address of the auction runner is aleo1fxs9s0w97lmkwlcmgn0z3nuxufdee5yck9wqrs0umevp7qs0sg9q5xxxzh.
-    transition place_bid(bidder: address, amount: u64) -> Bid {
-        // Ensure the caller is the auction bidder.
-        assert_eq(self.caller, bidder);
+    transition place_bid(amount: u64) -> Bid {
         // Return a new 'Bid' record for the auction bidder.
         return Bid {
             owner: aleo1fxs9s0w97lmkwlcmgn0z3nuxufdee5yck9wqrs0umevp7qs0sg9q5xxxzh,
-            bidder: bidder,
+            bidder: self.caller,
             amount: amount,
             is_winner: false,
         };