diff --git a/target/nios2/helper.c b/target/nios2/helper.c
index 55b8fb0bcb..04a8831443 100644
--- a/target/nios2/helper.c
+++ b/target/nios2/helper.c
@@ -28,7 +28,7 @@
 #include "exec/helper-proto.h"
 #include "semihosting/semihost.h"
 
-#if !defined(CONFIG_USER_ONLY)
+
 void nios2_cpu_do_interrupt(CPUState *cs)
 {
     Nios2CPU *cpu = NIOS2_CPU(cs);
@@ -292,4 +292,3 @@ bool nios2_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
     env->regs[CR_BADADDR] = address;
     cpu_loop_exit_restore(cs, retaddr);
 }
-#endif /* !CONFIG_USER_ONLY */
diff --git a/target/nios2/meson.build b/target/nios2/meson.build
index 62b384702d..2bd60ba306 100644
--- a/target/nios2/meson.build
+++ b/target/nios2/meson.build
@@ -1,14 +1,17 @@
 nios2_ss = ss.source_set()
 nios2_ss.add(files(
   'cpu.c',
-  'helper.c',
   'nios2-semi.c',
   'op_helper.c',
   'translate.c',
 ))
 
 nios2_softmmu_ss = ss.source_set()
-nios2_softmmu_ss.add(files('monitor.c', 'mmu.c'))
+nios2_softmmu_ss.add(files(
+  'helper.c',
+  'monitor.c',
+  'mmu.c'
+))
 
 target_arch += {'nios2': nios2_ss}
 target_softmmu_arch += {'nios2': nios2_softmmu_ss}