diff --git a/noir-projects/aztec-nr/aztec/src/context/avm_context.nr b/noir-projects/aztec-nr/aztec/src/context/avm_context.nr
index f318253d9ce..3a8dd4bb9bf 100644
--- a/noir-projects/aztec-nr/aztec/src/context/avm_context.nr
+++ b/noir-projects/aztec-nr/aztec/src/context/avm_context.nr
@@ -122,14 +122,6 @@ impl PublicContextInterface for AvmContext {
         nullifier_exists(unsiloed_nullifier, address.to_field()) == 1
     }
 
-    fn push_nullifier_read_request(&mut self, nullifier: Field) {
-        assert(false, "'push_nullifier_read_request' not implemented!");
-    }
-
-    fn push_nullifier_non_existent_read_request(&mut self, nullifier: Field) {
-        assert(false, "'push_nullifier_non_existent_read_request' not implemented!");
-    }
-
     fn accumulate_encrypted_logs<N>(&mut self, log: [Field; N]) {
         assert(false, "'accumulate_encrypted_logs' not implemented!");
     }
@@ -222,10 +214,6 @@ impl ContextInterface for AvmContext {
     fn selector(self) -> FunctionSelector {
         FunctionSelector::from_field(self.inputs.selector)
     }
-    fn get_header(self) -> Header {
-        assert(false, "'get_header' not implemented!");
-        Header::empty()
-    }
     fn get_args_hash(self) -> Field {
         self.inputs.args_hash
     }
diff --git a/noir-projects/aztec-nr/aztec/src/context/interface.nr b/noir-projects/aztec-nr/aztec/src/context/interface.nr
index 7af943c3a4a..ef64964368c 100644
--- a/noir-projects/aztec-nr/aztec/src/context/interface.nr
+++ b/noir-projects/aztec-nr/aztec/src/context/interface.nr
@@ -13,7 +13,6 @@ trait ContextInterface {
     fn version(self) -> Field;
     fn selector(self) -> FunctionSelector;
     fn get_args_hash(self) -> Field;
-    fn get_header(self) -> Header;
 }
 
 // TEMPORARY: This trait is to promote sharing of the current public context
@@ -27,8 +26,6 @@ trait PublicContextInterface {
     fn fee_per_da_gas(self) -> Field;
     fn fee_per_l1_gas(self) -> Field;
     fn fee_per_l2_gas(self) -> Field;
-    fn push_nullifier_read_request(&mut self, nullifier: Field);
-    fn push_nullifier_non_existent_read_request(&mut self, nullifier: Field);
     fn message_portal(&mut self, recipient: EthAddress, content: Field);
     fn consume_l1_to_l2_message(&mut self, content: Field, secret: Field, sender: EthAddress);
     fn accumulate_encrypted_logs<N>(&mut self, log: [Field; N]);
diff --git a/noir-projects/aztec-nr/aztec/src/context/private_context.nr b/noir-projects/aztec-nr/aztec/src/context/private_context.nr
index 48e4824521f..4009c79b680 100644
--- a/noir-projects/aztec-nr/aztec/src/context/private_context.nr
+++ b/noir-projects/aztec-nr/aztec/src/context/private_context.nr
@@ -99,12 +99,6 @@ impl ContextInterface for PrivateContext {
         self.args_hash
     }
 
-    // Returns the header of a block whose state is used during private execution (not the block the transaction is
-    // included in).
-    fn get_header(self) -> Header {
-        self.historical_header
-    }
-
     fn push_new_note_hash(&mut self, note_hash: Field) {
         let side_effect = SideEffect { value: note_hash, counter: self.side_effect_counter };
         self.new_note_hashes.push(side_effect);
@@ -148,6 +142,12 @@ impl PrivateContext {
         }
     }
 
+    // Returns the header of a block whose state is used during private execution (not the block the transaction is
+    // included in).
+    fn get_header(self) -> Header {
+        self.historical_header
+    }
+
     // Returns the header of an arbitrary block whose block number is less than or equal to the block number
     // of historical header.
     pub fn get_header_at(self, block_number: u32) -> Header {
diff --git a/noir-projects/aztec-nr/aztec/src/context/public_context.nr b/noir-projects/aztec-nr/aztec/src/context/public_context.nr
index af98dc9d169..9bcde4fe514 100644
--- a/noir-projects/aztec-nr/aztec/src/context/public_context.nr
+++ b/noir-projects/aztec-nr/aztec/src/context/public_context.nr
@@ -130,6 +130,20 @@ impl PublicContext {
         self.return_hash = returns_hasher.hash();
     }
 
+    // Keep private or ask the AVM team if you want to change it.
+    fn push_nullifier_read_request(&mut self, nullifier: Field) {
+        let request = ReadRequest { value: nullifier, counter: self.side_effect_counter };
+        self.nullifier_read_requests.push(request);
+        self.side_effect_counter = self.side_effect_counter + 1;
+    }
+
+    // Keep private or ask the AVM team if you want to change it.
+    fn push_nullifier_non_existent_read_request(&mut self, nullifier: Field) {
+        let request = ReadRequest { value: nullifier, counter: self.side_effect_counter };
+        self.nullifier_non_existent_read_requests.push(request);
+        self.side_effect_counter = self.side_effect_counter + 1;
+    }
+
     pub fn finish(self) -> PublicCircuitPublicInputs {
         // TODO(https://github.com/AztecProtocol/aztec-packages/issues/1165)
         let unencrypted_logs_hash = 0;
@@ -189,10 +203,6 @@ impl ContextInterface for PublicContext {
         self.args_hash
     }
 
-    fn get_header(self) -> Header {
-        self.historical_header
-    }
-
     fn push_new_note_hash(&mut self, note_hash: Field) {
         let side_effect = SideEffect { value: note_hash, counter: self.side_effect_counter };
         self.new_note_hashes.push(side_effect);
@@ -245,18 +255,6 @@ impl PublicContextInterface for PublicContext {
         nullifier_exists_oracle(siloed_nullifier) == 1
     }
 
-    fn push_nullifier_read_request(&mut self, nullifier: Field) {
-        let request = ReadRequest { value: nullifier, counter: self.side_effect_counter };
-        self.nullifier_read_requests.push(request);
-        self.side_effect_counter = self.side_effect_counter + 1;
-    }
-
-    fn push_nullifier_non_existent_read_request(&mut self, nullifier: Field) {
-        let request = ReadRequest { value: nullifier, counter: self.side_effect_counter };
-        self.nullifier_non_existent_read_requests.push(request);
-        self.side_effect_counter = self.side_effect_counter + 1;
-    }
-
     fn message_portal(&mut self, recipient: EthAddress, content: Field) {
         let message = L2ToL1Message { recipient, content };
         self.new_l2_to_l1_msgs.push(message);
diff --git a/noir-projects/aztec-nr/aztec/src/oracle/create_commitment.nr b/noir-projects/aztec-nr/aztec/src/oracle/create_commitment.nr
deleted file mode 100644
index 62c848c1d71..00000000000
--- a/noir-projects/aztec-nr/aztec/src/oracle/create_commitment.nr
+++ /dev/null
@@ -1,6 +0,0 @@
-#[oracle(createCommitment)]
-fn create_commitment_oracle(_commitment: Field) -> Field {}
-
-unconstrained pub fn create_commitment(commitment: Field) {
-    assert(create_commitment_oracle(commitment) == 0);
-}