diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index ca9c2efac5b..25ee17c44dd 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -68,7 +68,7 @@ enum {
  *
  * (*) The same is applicable for VOP1 and VOPC instructions.
  */
-enum class Format : std::uint16_t {
+enum class Format : uint16_t {
    /* Pseudo Instruction Format */
    PSEUDO = 0,
    /* Scalar ALU & Control Formats */
diff --git a/src/amd/compiler/aco_opcodes_h.py b/src/amd/compiler/aco_opcodes_h.py
index 2bd77768acf..18b98a134c0 100644
--- a/src/amd/compiler/aco_opcodes_h.py
+++ b/src/amd/compiler/aco_opcodes_h.py
@@ -28,11 +28,11 @@ template = """\
 #ifndef _ACO_OPCODES_
 #define _ACO_OPCODES_
 
-#include <cstdint>
+#include <stdint.h>
 
 <% opcode_names = sorted(opcodes.keys()) %>
 
-enum class aco_opcode : std::uint16_t {
+enum class aco_opcode : uint16_t {
 % for name in opcode_names:
    ${name},
 % endfor