diff --git a/src/gallium/frontends/rusticl/core/event.rs b/src/gallium/frontends/rusticl/core/event.rs
index 897c91a83a1..8c87a2c397f 100644
--- a/src/gallium/frontends/rusticl/core/event.rs
+++ b/src/gallium/frontends/rusticl/core/event.rs
@@ -33,7 +33,6 @@ struct EventMutState {
     work: Option<EventSig>,
 }
 
-#[repr(C)]
 pub struct Event {
     pub base: CLObjectBase<CL_INVALID_EVENT>,
     pub context: Arc<Context>,
diff --git a/src/gallium/frontends/rusticl/core/kernel.rs b/src/gallium/frontends/rusticl/core/kernel.rs
index b2888d56979..c75daddd7b4 100644
--- a/src/gallium/frontends/rusticl/core/kernel.rs
+++ b/src/gallium/frontends/rusticl/core/kernel.rs
@@ -331,7 +331,6 @@ impl KernelDevState {
     }
 }
 
-#[repr(C)]
 pub struct Kernel {
     pub base: CLObjectBase<CL_INVALID_KERNEL>,
     pub prog: Arc<Program>,
diff --git a/src/gallium/frontends/rusticl/core/memory.rs b/src/gallium/frontends/rusticl/core/memory.rs
index 1511b44ce1b..dc5bc94e86b 100644
--- a/src/gallium/frontends/rusticl/core/memory.rs
+++ b/src/gallium/frontends/rusticl/core/memory.rs
@@ -101,7 +101,6 @@ impl Mappings {
     }
 }
 
-#[repr(C)]
 pub struct Mem {
     pub base: CLObjectBase<CL_INVALID_MEM_OBJECT>,
     pub context: Arc<Context>,
@@ -1237,7 +1236,6 @@ impl Drop for Mem {
     }
 }
 
-#[repr(C)]
 pub struct Sampler {
     pub base: CLObjectBase<CL_INVALID_SAMPLER>,
     pub context: Arc<Context>,
diff --git a/src/gallium/frontends/rusticl/core/program.rs b/src/gallium/frontends/rusticl/core/program.rs
index 16b6e1d7935..50c1eb8ea98 100644
--- a/src/gallium/frontends/rusticl/core/program.rs
+++ b/src/gallium/frontends/rusticl/core/program.rs
@@ -55,7 +55,6 @@ pub enum ProgramSourceType {
     Il(spirv::SPIRVBin),
 }
 
-#[repr(C)]
 pub struct Program {
     pub base: CLObjectBase<CL_INVALID_PROGRAM>,
     pub context: Arc<Context>,
diff --git a/src/gallium/frontends/rusticl/core/queue.rs b/src/gallium/frontends/rusticl/core/queue.rs
index aa23b397972..b449bc04cb1 100644
--- a/src/gallium/frontends/rusticl/core/queue.rs
+++ b/src/gallium/frontends/rusticl/core/queue.rs
@@ -14,7 +14,6 @@ use std::sync::Mutex;
 use std::thread;
 use std::thread::JoinHandle;
 
-#[repr(C)]
 pub struct Queue {
     pub base: CLObjectBase<CL_INVALID_COMMAND_QUEUE>,
     pub context: Arc<Context>,