diff --git a/external-crates/move/crates/move-cli/src/sandbox/commands/publish.rs b/external-crates/move/crates/move-cli/src/sandbox/commands/publish.rs
index a06a0a8343c74..e2a9bee418d02 100644
--- a/external-crates/move/crates/move-cli/src/sandbox/commands/publish.rs
+++ b/external-crates/move/crates/move-cli/src/sandbox/commands/publish.rs
@@ -145,8 +145,7 @@ pub fn publish(
         }
 
         if !has_error {
-            let (changeset, events) = session.finish().0?;
-            assert!(events.is_empty());
+            let changeset = session.finish().0?;
             if verbose {
                 explain_publish_changeset(&changeset);
             }
diff --git a/external-crates/move/crates/move-cli/src/sandbox/commands/run.rs b/external-crates/move/crates/move-cli/src/sandbox/commands/run.rs
index 2a710ae83b97b..5f3c556b6745c 100644
--- a/external-crates/move/crates/move-cli/src/sandbox/commands/run.rs
+++ b/external-crates/move/crates/move-cli/src/sandbox/commands/run.rs
@@ -115,7 +115,7 @@ pub fn run(
             txn_args,
         )
     } else {
-        let (_changeset, _events) = session.finish().0?;
+        let _changeset = session.finish().0?;
         Ok(())
     }
 }
diff --git a/external-crates/move/crates/move-core-types/src/effects.rs b/external-crates/move/crates/move-core-types/src/effects.rs
index 614f598a4ce62..01e3c9958b1ad 100644
--- a/external-crates/move/crates/move-core-types/src/effects.rs
+++ b/external-crates/move/crates/move-core-types/src/effects.rs
@@ -5,7 +5,7 @@
 use crate::{
     account_address::AccountAddress,
     identifier::Identifier,
-    language_storage::{ModuleId, StructTag, TypeTag},
+    language_storage::{ModuleId, StructTag},
 };
 use anyhow::{bail, Result};
 use std::collections::btree_map::{self, BTreeMap};
@@ -300,5 +300,3 @@ impl ChangeSet {
         })
     }
 }
-
-pub type Event = (Vec<u8>, u64, TypeTag, Vec<u8>);
diff --git a/external-crates/move/crates/move-transactional-test-runner/src/vm_test_harness.rs b/external-crates/move/crates/move-transactional-test-runner/src/vm_test_harness.rs
index a95b41216283f..9ae5ca713a235 100644
--- a/external-crates/move/crates/move-transactional-test-runner/src/vm_test_harness.rs
+++ b/external-crates/move/crates/move-transactional-test-runner/src/vm_test_harness.rs
@@ -293,7 +293,7 @@ impl SimpleVMTestAdapter {
 
         // save changeset
         // TODO support events
-        let (changeset, _events) = session.finish().0?;
+        let changeset = session.finish().0?;
         self.storage.apply(changeset).unwrap();
         Ok(res)
     }
diff --git a/external-crates/move/crates/move-unit-test/src/test_runner.rs b/external-crates/move/crates/move-unit-test/src/test_runner.rs
index 04f2e6fc372df..186d45575fa12 100644
--- a/external-crates/move/crates/move-unit-test/src/test_runner.rs
+++ b/external-crates/move/crates/move-unit-test/src/test_runner.rs
@@ -290,7 +290,7 @@ impl SharedTestingConfig {
                 .into(),
         );
         match session.finish_with_extensions().0 {
-            Ok((cs, _, extensions)) => (Ok(cs), Ok(extensions), return_result, test_run_info),
+            Ok((cs, extensions)) => (Ok(cs), Ok(extensions), return_result, test_run_info),
             Err(err) => (Err(err.clone()), Err(err), return_result, test_run_info),
         }
     }
diff --git a/external-crates/move/crates/move-vm-integration-tests/src/tests/exec_func_effects_tests.rs b/external-crates/move/crates/move-vm-integration-tests/src/tests/exec_func_effects_tests.rs
index 44d59dcd1aef5..eee44028d5ac5 100644
--- a/external-crates/move/crates/move-vm-integration-tests/src/tests/exec_func_effects_tests.rs
+++ b/external-crates/move/crates/move-vm-integration-tests/src/tests/exec_func_effects_tests.rs
@@ -8,7 +8,7 @@ use crate::compiler::{as_module, compile_units};
 use move_binary_format::errors::VMResult;
 use move_core_types::{
     account_address::AccountAddress,
-    effects::{ChangeSet, Event},
+    effects::ChangeSet,
     identifier::Identifier,
     language_storage::ModuleId,
     runtime_value::{serialize_values, MoveValue},
@@ -57,7 +57,7 @@ fn fail_arg_deserialize() {
 fn mutref_output_success() {
     let mod_code = setup_module();
     let result = run(&mod_code, USE_MUTREF_LABEL, MoveValue::U64(1));
-    let (_, _, ret_values) = result.unwrap();
+    let (_, ret_values) = result.unwrap();
     assert_eq!(1, ret_values.mutable_reference_outputs.len());
     let parsed = parse_u64_arg(&ret_values.mutable_reference_outputs.first().unwrap().1);
     assert_eq!(EXPECT_MUTREF_OUT_VALUE, parsed);
@@ -86,7 +86,7 @@ fn run(
     module: &ModuleCode,
     fun_name: &str,
     arg_val0: MoveValue,
-) -> VMResult<(ChangeSet, Vec<Event>, SerializedReturnValues)> {
+) -> VMResult<(ChangeSet, SerializedReturnValues)> {
     let module_id = &module.0;
     let modules = vec![module.clone()];
     let (vm, storage) = setup_vm(&modules);
@@ -103,8 +103,8 @@ fn run(
             &mut UnmeteredGasMeter,
         )
         .and_then(|ret_values| {
-            let (change_set, events) = session.finish().0?;
-            Ok((change_set, events, ret_values))
+            let change_set = session.finish().0?;
+            Ok((change_set, ret_values))
         })
 }
 
diff --git a/external-crates/move/crates/move-vm-integration-tests/src/tests/loader_tests.rs b/external-crates/move/crates/move-vm-integration-tests/src/tests/loader_tests.rs
index 650e1a09066ea..bc99f58f1932a 100644
--- a/external-crates/move/crates/move-vm-integration-tests/src/tests/loader_tests.rs
+++ b/external-crates/move/crates/move-vm-integration-tests/src/tests/loader_tests.rs
@@ -136,7 +136,7 @@ impl Adapter {
                 .publish_module(binary, DEFAULT_ACCOUNT, &mut UnmeteredGasMeter)
                 .unwrap_or_else(|e| panic!("failure publishing module: {e:?}\n{:#?}", module));
         }
-        let (changeset, _) = session.finish().0.expect("failure getting write set");
+        let changeset = session.finish().0.expect("failure getting write set");
         self.store
             .apply(changeset)
             .expect("failure applying write set");
@@ -173,7 +173,7 @@ impl Adapter {
             .publish_module_bundle(binaries, DEFAULT_ACCOUNT, &mut UnmeteredGasMeter)
             .unwrap_or_else(|e| panic!("failure publishing module bundle: {e:?}"));
 
-        let (changeset, _) = session.finish().0.expect("failure getting write set");
+        let changeset = session.finish().0.expect("failure getting write set");
         self.store
             .apply(changeset)
             .expect("failure applying write set");
diff --git a/external-crates/move/crates/move-vm-runtime/src/data_cache.rs b/external-crates/move/crates/move-vm-runtime/src/data_cache.rs
index 6bba27a230d09..be5db895ea82e 100644
--- a/external-crates/move/crates/move-vm-runtime/src/data_cache.rs
+++ b/external-crates/move/crates/move-vm-runtime/src/data_cache.rs
@@ -7,7 +7,7 @@ use crate::loader::Loader;
 use move_binary_format::errors::*;
 use move_core_types::{
     account_address::AccountAddress,
-    effects::{AccountChangeSet, ChangeSet, Event, Op},
+    effects::{AccountChangeSet, ChangeSet, Op},
     gas_algebra::NumBytes,
     identifier::{IdentStr, Identifier},
     language_storage::{ModuleId, TypeTag},
@@ -53,7 +53,6 @@ pub(crate) struct TransactionDataCache<'l, S> {
     remote: S,
     loader: &'l Loader,
     account_map: BTreeMap<AccountAddress, AccountDataCache>,
-    event_data: Vec<(Vec<u8>, u64, Type, MoveTypeLayout, Value)>,
 }
 
 impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
@@ -64,7 +63,6 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             remote,
             loader,
             account_map: BTreeMap::new(),
-            event_data: vec![],
         }
     }
 
@@ -72,10 +70,10 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
     /// published modules.
     ///
     /// Gives all proper guarantees on lifetime of global data as well.
-    pub(crate) fn into_effects(mut self) -> (PartialVMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub(crate) fn into_effects(mut self) -> (PartialVMResult<ChangeSet>, S) {
         (self.impl_into_effects(), self.remote)
     }
-    fn impl_into_effects(&mut self) -> PartialVMResult<(ChangeSet, Vec<Event>)> {
+    fn impl_into_effects(&mut self) -> PartialVMResult<ChangeSet> {
         let mut change_set = ChangeSet::new();
         for (addr, account_data_cache) in std::mem::take(&mut self.account_map).into_iter() {
             let mut modules = BTreeMap::new();
@@ -123,16 +121,7 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             }
         }
 
-        let mut events = vec![];
-        for (guid, seq_num, ty, ty_layout, val) in std::mem::take(&mut self.event_data) {
-            let ty_tag = self.loader.type_to_type_tag(&ty)?;
-            let blob = val
-                .simple_serialize(&ty_layout)
-                .ok_or_else(|| PartialVMError::new(StatusCode::INTERNAL_TYPE_ERROR))?;
-            events.push((guid, seq_num, ty_tag, blob))
-        }
-
-        Ok((change_set, events))
+        Ok(change_set)
     }
 
     pub(crate) fn num_mutated_accounts(&self, sender: &AccountAddress) -> u64 {
diff --git a/external-crates/move/crates/move-vm-runtime/src/session.rs b/external-crates/move/crates/move-vm-runtime/src/session.rs
index ff50f1e79f3eb..de9e7f38bbf58 100644
--- a/external-crates/move/crates/move-vm-runtime/src/session.rs
+++ b/external-crates/move/crates/move-vm-runtime/src/session.rs
@@ -13,7 +13,7 @@ use move_binary_format::{
 use move_core_types::{
     account_address::AccountAddress,
     annotated_value as A,
-    effects::{ChangeSet, Event},
+    effects::ChangeSet,
     identifier::IdentStr,
     language_storage::{ModuleId, TypeTag},
     resolver::MoveResolver,
@@ -173,7 +173,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     /// This function should always succeed with no user errors returned, barring invariant violations.
     ///
     /// This MUST NOT be called if there is a previous invocation that failed with an invariant violation.
-    pub fn finish(self) -> (VMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub fn finish(self) -> (VMResult<ChangeSet>, S) {
         let (res, remote) = self.data_cache.into_effects();
         (res.map_err(|e| e.finish(Location::Undefined)), remote)
     }
@@ -186,7 +186,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     pub fn finish_with_extensions(
         self,
     ) -> (
-        VMResult<(ChangeSet, Vec<Event>, NativeContextExtensions<'r>)>,
+        VMResult<(ChangeSet, NativeContextExtensions<'r>)>,
         S,
     ) {
         let Session {
@@ -196,7 +196,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
         } = self;
         let (res, remote) = data_cache.into_effects();
         (
-            res.map(|(change_set, events)| (change_set, events, native_extensions))
+            res.map(|change_set| (change_set, native_extensions))
                 .map_err(|e| e.finish(Location::Undefined)),
             remote,
         )
diff --git a/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/data_cache.rs b/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/data_cache.rs
index 6bba27a230d09..be5db895ea82e 100644
--- a/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/data_cache.rs
+++ b/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/data_cache.rs
@@ -7,7 +7,7 @@ use crate::loader::Loader;
 use move_binary_format::errors::*;
 use move_core_types::{
     account_address::AccountAddress,
-    effects::{AccountChangeSet, ChangeSet, Event, Op},
+    effects::{AccountChangeSet, ChangeSet, Op},
     gas_algebra::NumBytes,
     identifier::{IdentStr, Identifier},
     language_storage::{ModuleId, TypeTag},
@@ -53,7 +53,6 @@ pub(crate) struct TransactionDataCache<'l, S> {
     remote: S,
     loader: &'l Loader,
     account_map: BTreeMap<AccountAddress, AccountDataCache>,
-    event_data: Vec<(Vec<u8>, u64, Type, MoveTypeLayout, Value)>,
 }
 
 impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
@@ -64,7 +63,6 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             remote,
             loader,
             account_map: BTreeMap::new(),
-            event_data: vec![],
         }
     }
 
@@ -72,10 +70,10 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
     /// published modules.
     ///
     /// Gives all proper guarantees on lifetime of global data as well.
-    pub(crate) fn into_effects(mut self) -> (PartialVMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub(crate) fn into_effects(mut self) -> (PartialVMResult<ChangeSet>, S) {
         (self.impl_into_effects(), self.remote)
     }
-    fn impl_into_effects(&mut self) -> PartialVMResult<(ChangeSet, Vec<Event>)> {
+    fn impl_into_effects(&mut self) -> PartialVMResult<ChangeSet> {
         let mut change_set = ChangeSet::new();
         for (addr, account_data_cache) in std::mem::take(&mut self.account_map).into_iter() {
             let mut modules = BTreeMap::new();
@@ -123,16 +121,7 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             }
         }
 
-        let mut events = vec![];
-        for (guid, seq_num, ty, ty_layout, val) in std::mem::take(&mut self.event_data) {
-            let ty_tag = self.loader.type_to_type_tag(&ty)?;
-            let blob = val
-                .simple_serialize(&ty_layout)
-                .ok_or_else(|| PartialVMError::new(StatusCode::INTERNAL_TYPE_ERROR))?;
-            events.push((guid, seq_num, ty_tag, blob))
-        }
-
-        Ok((change_set, events))
+        Ok(change_set)
     }
 
     pub(crate) fn num_mutated_accounts(&self, sender: &AccountAddress) -> u64 {
diff --git a/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/session.rs b/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/session.rs
index a396c55ba447e..4ca219692e083 100644
--- a/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/session.rs
+++ b/external-crates/move/move-execution/v0/crates/move-vm-runtime/src/session.rs
@@ -13,7 +13,7 @@ use move_binary_format::{
 use move_core_types::{
     account_address::AccountAddress,
     annotated_value as A,
-    effects::{ChangeSet, Event},
+    effects::ChangeSet,
     identifier::IdentStr,
     language_storage::{ModuleId, TypeTag},
     resolver::MoveResolver,
@@ -163,7 +163,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     /// This function should always succeed with no user errors returned, barring invariant violations.
     ///
     /// This MUST NOT be called if there is a previous invocation that failed with an invariant violation.
-    pub fn finish(self) -> (VMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub fn finish(self) -> (VMResult<ChangeSet>, S) {
         let (res, remote) = self.data_cache.into_effects();
         (res.map_err(|e| e.finish(Location::Undefined)), remote)
     }
@@ -172,7 +172,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     pub fn finish_with_extensions(
         self,
     ) -> (
-        VMResult<(ChangeSet, Vec<Event>, NativeContextExtensions<'r>)>,
+        VMResult<(ChangeSet, NativeContextExtensions<'r>)>,
         S,
     ) {
         let Session {
@@ -182,7 +182,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
         } = self;
         let (res, remote) = data_cache.into_effects();
         (
-            res.map(|(change_set, events)| (change_set, events, native_extensions))
+            res.map(|change_set| (change_set, native_extensions))
                 .map_err(|e| e.finish(Location::Undefined)),
             remote,
         )
diff --git a/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/data_cache.rs b/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/data_cache.rs
index 6bba27a230d09..be5db895ea82e 100644
--- a/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/data_cache.rs
+++ b/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/data_cache.rs
@@ -7,7 +7,7 @@ use crate::loader::Loader;
 use move_binary_format::errors::*;
 use move_core_types::{
     account_address::AccountAddress,
-    effects::{AccountChangeSet, ChangeSet, Event, Op},
+    effects::{AccountChangeSet, ChangeSet, Op},
     gas_algebra::NumBytes,
     identifier::{IdentStr, Identifier},
     language_storage::{ModuleId, TypeTag},
@@ -53,7 +53,6 @@ pub(crate) struct TransactionDataCache<'l, S> {
     remote: S,
     loader: &'l Loader,
     account_map: BTreeMap<AccountAddress, AccountDataCache>,
-    event_data: Vec<(Vec<u8>, u64, Type, MoveTypeLayout, Value)>,
 }
 
 impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
@@ -64,7 +63,6 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             remote,
             loader,
             account_map: BTreeMap::new(),
-            event_data: vec![],
         }
     }
 
@@ -72,10 +70,10 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
     /// published modules.
     ///
     /// Gives all proper guarantees on lifetime of global data as well.
-    pub(crate) fn into_effects(mut self) -> (PartialVMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub(crate) fn into_effects(mut self) -> (PartialVMResult<ChangeSet>, S) {
         (self.impl_into_effects(), self.remote)
     }
-    fn impl_into_effects(&mut self) -> PartialVMResult<(ChangeSet, Vec<Event>)> {
+    fn impl_into_effects(&mut self) -> PartialVMResult<ChangeSet> {
         let mut change_set = ChangeSet::new();
         for (addr, account_data_cache) in std::mem::take(&mut self.account_map).into_iter() {
             let mut modules = BTreeMap::new();
@@ -123,16 +121,7 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             }
         }
 
-        let mut events = vec![];
-        for (guid, seq_num, ty, ty_layout, val) in std::mem::take(&mut self.event_data) {
-            let ty_tag = self.loader.type_to_type_tag(&ty)?;
-            let blob = val
-                .simple_serialize(&ty_layout)
-                .ok_or_else(|| PartialVMError::new(StatusCode::INTERNAL_TYPE_ERROR))?;
-            events.push((guid, seq_num, ty_tag, blob))
-        }
-
-        Ok((change_set, events))
+        Ok(change_set)
     }
 
     pub(crate) fn num_mutated_accounts(&self, sender: &AccountAddress) -> u64 {
diff --git a/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/session.rs b/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/session.rs
index ba358b2a63c5c..4e0632f50489f 100644
--- a/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/session.rs
+++ b/external-crates/move/move-execution/v1/crates/move-vm-runtime/src/session.rs
@@ -13,7 +13,7 @@ use move_binary_format::{
 use move_core_types::{
     account_address::AccountAddress,
     annotated_value as A,
-    effects::{ChangeSet, Event},
+    effects::ChangeSet,
     identifier::IdentStr,
     language_storage::{ModuleId, TypeTag},
     resolver::MoveResolver,
@@ -173,7 +173,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     /// This function should always succeed with no user errors returned, barring invariant violations.
     ///
     /// This MUST NOT be called if there is a previous invocation that failed with an invariant violation.
-    pub fn finish(self) -> (VMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub fn finish(self) -> (VMResult<ChangeSet>, S) {
         let (res, remote) = self.data_cache.into_effects();
         (res.map_err(|e| e.finish(Location::Undefined)), remote)
     }
@@ -186,7 +186,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     pub fn finish_with_extensions(
         self,
     ) -> (
-        VMResult<(ChangeSet, Vec<Event>, NativeContextExtensions<'r>)>,
+        VMResult<(ChangeSet, NativeContextExtensions<'r>)>,
         S,
     ) {
         let Session {
@@ -196,7 +196,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
         } = self;
         let (res, remote) = data_cache.into_effects();
         (
-            res.map(|(change_set, events)| (change_set, events, native_extensions))
+            res.map(|change_set| (change_set, native_extensions))
                 .map_err(|e| e.finish(Location::Undefined)),
             remote,
         )
diff --git a/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/data_cache.rs b/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/data_cache.rs
index 6bba27a230d09..be5db895ea82e 100644
--- a/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/data_cache.rs
+++ b/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/data_cache.rs
@@ -7,7 +7,7 @@ use crate::loader::Loader;
 use move_binary_format::errors::*;
 use move_core_types::{
     account_address::AccountAddress,
-    effects::{AccountChangeSet, ChangeSet, Event, Op},
+    effects::{AccountChangeSet, ChangeSet, Op},
     gas_algebra::NumBytes,
     identifier::{IdentStr, Identifier},
     language_storage::{ModuleId, TypeTag},
@@ -53,7 +53,6 @@ pub(crate) struct TransactionDataCache<'l, S> {
     remote: S,
     loader: &'l Loader,
     account_map: BTreeMap<AccountAddress, AccountDataCache>,
-    event_data: Vec<(Vec<u8>, u64, Type, MoveTypeLayout, Value)>,
 }
 
 impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
@@ -64,7 +63,6 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             remote,
             loader,
             account_map: BTreeMap::new(),
-            event_data: vec![],
         }
     }
 
@@ -72,10 +70,10 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
     /// published modules.
     ///
     /// Gives all proper guarantees on lifetime of global data as well.
-    pub(crate) fn into_effects(mut self) -> (PartialVMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub(crate) fn into_effects(mut self) -> (PartialVMResult<ChangeSet>, S) {
         (self.impl_into_effects(), self.remote)
     }
-    fn impl_into_effects(&mut self) -> PartialVMResult<(ChangeSet, Vec<Event>)> {
+    fn impl_into_effects(&mut self) -> PartialVMResult<ChangeSet> {
         let mut change_set = ChangeSet::new();
         for (addr, account_data_cache) in std::mem::take(&mut self.account_map).into_iter() {
             let mut modules = BTreeMap::new();
@@ -123,16 +121,7 @@ impl<'l, S: MoveResolver> TransactionDataCache<'l, S> {
             }
         }
 
-        let mut events = vec![];
-        for (guid, seq_num, ty, ty_layout, val) in std::mem::take(&mut self.event_data) {
-            let ty_tag = self.loader.type_to_type_tag(&ty)?;
-            let blob = val
-                .simple_serialize(&ty_layout)
-                .ok_or_else(|| PartialVMError::new(StatusCode::INTERNAL_TYPE_ERROR))?;
-            events.push((guid, seq_num, ty_tag, blob))
-        }
-
-        Ok((change_set, events))
+        Ok(change_set)
     }
 
     pub(crate) fn num_mutated_accounts(&self, sender: &AccountAddress) -> u64 {
diff --git a/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/session.rs b/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/session.rs
index ba358b2a63c5c..4e0632f50489f 100644
--- a/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/session.rs
+++ b/external-crates/move/move-execution/v2/crates/move-vm-runtime/src/session.rs
@@ -13,7 +13,7 @@ use move_binary_format::{
 use move_core_types::{
     account_address::AccountAddress,
     annotated_value as A,
-    effects::{ChangeSet, Event},
+    effects::ChangeSet,
     identifier::IdentStr,
     language_storage::{ModuleId, TypeTag},
     resolver::MoveResolver,
@@ -173,7 +173,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     /// This function should always succeed with no user errors returned, barring invariant violations.
     ///
     /// This MUST NOT be called if there is a previous invocation that failed with an invariant violation.
-    pub fn finish(self) -> (VMResult<(ChangeSet, Vec<Event>)>, S) {
+    pub fn finish(self) -> (VMResult<ChangeSet>, S) {
         let (res, remote) = self.data_cache.into_effects();
         (res.map_err(|e| e.finish(Location::Undefined)), remote)
     }
@@ -186,7 +186,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
     pub fn finish_with_extensions(
         self,
     ) -> (
-        VMResult<(ChangeSet, Vec<Event>, NativeContextExtensions<'r>)>,
+        VMResult<(ChangeSet, NativeContextExtensions<'r>)>,
         S,
     ) {
         let Session {
@@ -196,7 +196,7 @@ impl<'r, 'l, S: MoveResolver> Session<'r, 'l, S> {
         } = self;
         let (res, remote) = data_cache.into_effects();
         (
-            res.map(|(change_set, events)| (change_set, events, native_extensions))
+            res.map(|change_set| (change_set, native_extensions))
                 .map_err(|e| e.finish(Location::Undefined)),
             remote,
         )
diff --git a/sui-execution/v0/sui-adapter/src/programmable_transactions/context.rs b/sui-execution/v0/sui-adapter/src/programmable_transactions/context.rs
index e15558166cc92..bead8548416be 100644
--- a/sui-execution/v0/sui-adapter/src/programmable_transactions/context.rs
+++ b/sui-execution/v0/sui-adapter/src/programmable_transactions/context.rs
@@ -183,10 +183,8 @@ mod checked {
             // the session was just used for ability and layout metadata fetching, no changes should
             // exist. Plus, Sui Move does not use these changes or events
             let (res, linkage) = tmp_session.finish();
-            let (change_set, move_events) =
-                res.map_err(|e| crate::error::convert_vm_error(e, vm, &linkage))?;
+            let change_set = res.map_err(|e| crate::error::convert_vm_error(e, vm, &linkage))?;
             assert_invariant!(change_set.accounts().is_empty(), "Change set must be empty");
-            assert_invariant!(move_events.is_empty(), "Events must be empty");
             // make the real session
             let session = new_session(
                 vm,
@@ -681,15 +679,13 @@ mod checked {
             }
 
             let (res, linkage) = session.finish_with_extensions();
-            let (change_set, events, mut native_context_extensions) =
+            let (change_set, mut native_context_extensions) =
                 res.map_err(|e| convert_vm_error(e, vm, &linkage))?;
             // Sui Move programs should never touch global state, so resources should be empty
             assert_invariant!(
                 change_set.resources().next().is_none(),
                 "Change set must be empty"
             );
-            // Sui Move no longer uses Move's internal event system
-            assert_invariant!(events.is_empty(), "Events must be empty");
             let object_runtime: ObjectRuntime = native_context_extensions.remove();
             let new_ids = object_runtime.new_ids().clone();
             // tell the object runtime what input objects were taken and which were transferred
@@ -841,12 +837,11 @@ mod checked {
             }
 
             let (res, linkage) = tmp_session.finish();
-            let (change_set, move_events) = res.map_err(|e| convert_vm_error(e, vm, &linkage))?;
+            let change_set = res.map_err(|e| convert_vm_error(e, vm, &linkage))?;
 
             // the session was just used for ability and layout metadata fetching, no changes should
             // exist. Plus, Sui Move does not use these changes or events
             assert_invariant!(change_set.accounts().is_empty(), "Change set must be empty");
-            assert_invariant!(move_events.is_empty(), "Events must be empty");
 
             Ok(ExecutionResults::V1(ExecutionResultsV1 {
                 object_changes,