diff --git a/src/libksupport/src/kernel/api.rs b/src/libksupport/src/kernel/api.rs
index ef77e43..dc512b5 100644
--- a/src/libksupport/src/kernel/api.rs
+++ b/src/libksupport/src/kernel/api.rs
@@ -11,7 +11,9 @@ use super::{cache,
             core1::rtio_get_destination_status,
             dma, linalg,
             rpc::{rpc_recv, rpc_send, rpc_send_async}};
-use crate::{eh_artiq, i2c, rtio};
+use crate::{eh_artiq, rtio};
+#[cfg(not(feature = "target_ebaz4205"))]
+use crate::i2c;
 
 extern "C" {
     fn vsnprintf_(buffer: *mut c_char, count: size_t, format: *const c_char, va: VaList) -> c_int;
@@ -109,11 +111,17 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
         api!(cache_put = cache::put),
 
         // i2c
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_start = i2c::start),
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_restart = i2c::restart),
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_stop = i2c::stop),
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_write = i2c::write),
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_read = i2c::read),
+        #[cfg(not(feature = "target_ebaz4205"))]
         api!(i2c_switch_select = i2c::switch_select),
 
         // subkernel
diff --git a/src/libksupport/src/lib.rs b/src/libksupport/src/lib.rs
index 630f19e..78a2f1d 100644
--- a/src/libksupport/src/lib.rs
+++ b/src/libksupport/src/lib.rs
@@ -21,6 +21,7 @@ pub use pl::csr::rtio_core;
 use void::Void;
 
 pub mod eh_artiq;
+#[cfg(not(feature = "target_ebaz4205"))]
 pub mod i2c;
 pub mod irq;
 pub mod kernel;
diff --git a/src/runtime/src/main.rs b/src/runtime/src/main.rs
index dd24e25..ecfd1c2 100644
--- a/src/runtime/src/main.rs
+++ b/src/runtime/src/main.rs
@@ -100,6 +100,7 @@ pub fn main_core0() {
 
     info!("gateware ident: {}", identifier_read(&mut [0; 64]));
 
+    #[cfg(not(feature = "target_ebaz4205"))]
     ksupport::i2c::init();
     #[cfg(feature = "target_kasli_soc")]
     {
diff --git a/src/runtime/src/rtio_clocking.rs b/src/runtime/src/rtio_clocking.rs
index 06918b2..42cb215 100644
--- a/src/runtime/src/rtio_clocking.rs
+++ b/src/runtime/src/rtio_clocking.rs
@@ -69,7 +69,7 @@ fn get_rtio_clock_cfg(cfg: &Config) -> RtioClock {
     res
 }
 
-#[cfg(not(has_drtio))]
+#[cfg(not(any(has_drtio, feature = "target_ebaz4205")))]
 fn init_rtio(timer: &mut GlobalTimer) {
     info!("Switching SYS clocks...");
     unsafe {
@@ -429,7 +429,7 @@ pub fn init(timer: &mut GlobalTimer, cfg: &Config) {
     #[cfg(has_drtio)]
     init_drtio(timer);
 
-    #[cfg(not(has_drtio))]
+    #[cfg(not(any(has_drtio, feature = "target_ebaz4205")))]
     init_rtio(timer);
 
     #[cfg(all(has_si549, has_wrpll))]