diff --git a/crates/hir-ty/src/lib.rs b/crates/hir-ty/src/lib.rs
index 975625fdfa..fdc6579763 100644
--- a/crates/hir-ty/src/lib.rs
+++ b/crates/hir-ty/src/lib.rs
@@ -385,7 +385,6 @@ pub enum FnAbi {
     Fastcall,
     FastcallUnwind,
     Msp430Interrupt,
-    PlatformIntrinsic,
     PtxKernel,
     RiscvInterruptM,
     RiscvInterruptS,
@@ -444,7 +443,6 @@ impl FnAbi {
             s if *s == sym::fastcall_dash_unwind => FnAbi::FastcallUnwind,
             s if *s == sym::fastcall => FnAbi::Fastcall,
             s if *s == sym::msp430_dash_interrupt => FnAbi::Msp430Interrupt,
-            s if *s == sym::platform_dash_intrinsic => FnAbi::PlatformIntrinsic,
             s if *s == sym::ptx_dash_kernel => FnAbi::PtxKernel,
             s if *s == sym::riscv_dash_interrupt_dash_m => FnAbi::RiscvInterruptM,
             s if *s == sym::riscv_dash_interrupt_dash_s => FnAbi::RiscvInterruptS,
@@ -487,7 +485,6 @@ impl FnAbi {
             FnAbi::Fastcall => "fastcall",
             FnAbi::FastcallUnwind => "fastcall-unwind",
             FnAbi::Msp430Interrupt => "msp430-interrupt",
-            FnAbi::PlatformIntrinsic => "platform-intrinsic",
             FnAbi::PtxKernel => "ptx-kernel",
             FnAbi::RiscvInterruptM => "riscv-interrupt-m",
             FnAbi::RiscvInterruptS => "riscv-interrupt-s",
diff --git a/crates/ide-completion/src/completions/extern_abi.rs b/crates/ide-completion/src/completions/extern_abi.rs
index b0e417e6b3..847fa4cf88 100644
--- a/crates/ide-completion/src/completions/extern_abi.rs
+++ b/crates/ide-completion/src/completions/extern_abi.rs
@@ -38,7 +38,6 @@ const SUPPORTED_CALLING_CONVENTIONS: &[&str] = &[
     "system-unwind",
     "rust-intrinsic",
     "rust-call",
-    "platform-intrinsic",
     "unadjusted",
 ];
 
diff --git a/crates/intern/src/symbol/symbols.rs b/crates/intern/src/symbol/symbols.rs
index 865518fe94..8f79cf2007 100644
--- a/crates/intern/src/symbol/symbols.rs
+++ b/crates/intern/src/symbol/symbols.rs
@@ -99,7 +99,6 @@ define_symbols! {
     cdecl_dash_unwind = "cdecl-unwind",
     fastcall_dash_unwind = "fastcall-unwind",
     msp430_dash_interrupt = "msp430-interrupt",
-    platform_dash_intrinsic = "platform-intrinsic",
     ptx_dash_kernel = "ptx-kernel",
     riscv_dash_interrupt_dash_m = "riscv-interrupt-m",
     riscv_dash_interrupt_dash_s = "riscv-interrupt-s",