diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
index fdcd9caf4ac87..756a2226753f6 100644
--- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
@@ -65,11 +65,7 @@ pub(crate) fn conv_to_call_conv(sess: &Session, c: Conv, default_call_conv: Call
             sess.dcx().fatal("C-cmse-nonsecure-entry call conv is not yet implemented");
         }
 
-        Conv::Msp430Intr
-        | Conv::PtxKernel
-        | Conv::GpuKernel
-        | Conv::AvrInterrupt
-        | Conv::AvrNonBlockingInterrupt => {
+        Conv::Msp430Intr | Conv::GpuKernel | Conv::AvrInterrupt | Conv::AvrNonBlockingInterrupt => {
             unreachable!("tried to use {c:?} call conv which only exists on an unsupported target");
         }
     }
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs
index 13846c8ab4b96..28f423efc2141 100644
--- a/compiler/rustc_codegen_llvm/src/abi.rs
+++ b/compiler/rustc_codegen_llvm/src/abi.rs
@@ -687,7 +687,6 @@ impl llvm::CallConv {
             Conv::AvrNonBlockingInterrupt => llvm::AvrNonBlockingInterrupt,
             Conv::ArmAapcs => llvm::ArmAapcsCallConv,
             Conv::Msp430Intr => llvm::Msp430Intr,
-            Conv::PtxKernel => llvm::PtxKernel,
             Conv::X86Fastcall => llvm::X86FastcallCallConv,
             Conv::X86Intr => llvm::X86_Intr,
             Conv::X86Stdcall => llvm::X86StdcallCallConv,
diff --git a/compiler/rustc_smir/src/rustc_smir/convert/abi.rs b/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
index 4a03ff4beae89..fb2e838cdc998 100644
--- a/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
+++ b/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
@@ -105,7 +105,6 @@ impl<'tcx> Stable<'tcx> for callconv::Conv {
             Conv::CCmseNonSecureCall => CallConvention::CCmseNonSecureCall,
             Conv::CCmseNonSecureEntry => CallConvention::CCmseNonSecureEntry,
             Conv::Msp430Intr => CallConvention::Msp430Intr,
-            Conv::PtxKernel => CallConvention::PtxKernel,
             Conv::X86Fastcall => CallConvention::X86Fastcall,
             Conv::X86Intr => CallConvention::X86Intr,
             Conv::X86Stdcall => CallConvention::X86Stdcall,
diff --git a/compiler/rustc_target/src/callconv/mod.rs b/compiler/rustc_target/src/callconv/mod.rs
index b49dd2588692d..2bde105562218 100644
--- a/compiler/rustc_target/src/callconv/mod.rs
+++ b/compiler/rustc_target/src/callconv/mod.rs
@@ -542,8 +542,6 @@ pub enum Conv {
 
     Msp430Intr,
 
-    PtxKernel,
-
     GpuKernel,
 
     X86Fastcall,
@@ -689,7 +687,8 @@ impl<'a, Ty> FnAbi<'a, Ty> {
             "sparc" => sparc::compute_abi_info(cx, self),
             "sparc64" => sparc64::compute_abi_info(cx, self),
             "nvptx64" => {
-                if cx.target_spec().adjust_abi(abi, self.c_variadic) == ExternAbi::PtxKernel {
+                let abi = cx.target_spec().adjust_abi(abi, self.c_variadic);
+                if abi == ExternAbi::PtxKernel || abi == ExternAbi::GpuKernel {
                     nvptx64::compute_ptx_kernel_abi_info(cx, self)
                 } else {
                     nvptx64::compute_abi_info(self)
@@ -841,7 +840,6 @@ impl FromStr for Conv {
             "CCmseNonSecureCall" => Ok(Conv::CCmseNonSecureCall),
             "CCmseNonSecureEntry" => Ok(Conv::CCmseNonSecureEntry),
             "Msp430Intr" => Ok(Conv::Msp430Intr),
-            "PtxKernel" => Ok(Conv::PtxKernel),
             "X86Fastcall" => Ok(Conv::X86Fastcall),
             "X86Intr" => Ok(Conv::X86Intr),
             "X86Stdcall" => Ok(Conv::X86Stdcall),
diff --git a/compiler/rustc_target/src/json.rs b/compiler/rustc_target/src/json.rs
index 15cf7e195dbe5..8d6f8f4c6f67b 100644
--- a/compiler/rustc_target/src/json.rs
+++ b/compiler/rustc_target/src/json.rs
@@ -105,7 +105,6 @@ impl ToJson for crate::callconv::Conv {
             Self::CCmseNonSecureCall => "CCmseNonSecureCall",
             Self::CCmseNonSecureEntry => "CCmseNonSecureEntry",
             Self::Msp430Intr => "Msp430Intr",
-            Self::PtxKernel => "PtxKernel",
             Self::X86Fastcall => "X86Fastcall",
             Self::X86Intr => "X86Intr",
             Self::X86Stdcall => "X86Stdcall",
diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs
index df30872c4374c..c5d2d0afbfad2 100644
--- a/compiler/rustc_ty_utils/src/abi.rs
+++ b/compiler/rustc_ty_utils/src/abi.rs
@@ -290,7 +290,7 @@ fn conv_from_spec_abi(tcx: TyCtxt<'_>, abi: ExternAbi, c_variadic: bool) -> Conv
         Aapcs { .. } => Conv::ArmAapcs,
         CCmseNonSecureCall => Conv::CCmseNonSecureCall,
         CCmseNonSecureEntry => Conv::CCmseNonSecureEntry,
-        PtxKernel => Conv::PtxKernel,
+        PtxKernel => Conv::GpuKernel,
         Msp430Interrupt => Conv::Msp430Intr,
         X86Interrupt => Conv::X86Intr,
         GpuKernel => Conv::GpuKernel,