diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index c5e143e8ef..8d9ba3686c 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1418,8 +1418,6 @@ int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector,
 
 /* op_helper.c */
 /* used for debug or cpu save/restore */
-void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f);
-floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
 
 /* cpu-exec.c */
 /* the following helpers are only usable in user mode simulation as
diff --git a/target/i386/fpu_helper.c b/target/i386/fpu_helper.c
index 69ea33a5c2..34fb5fca66 100644
--- a/target/i386/fpu_helper.c
+++ b/target/i386/fpu_helper.c
@@ -1539,24 +1539,6 @@ void helper_xsetbv(CPUX86State *env, uint32_t ecx, uint64_t mask)
     raise_exception_ra(env, EXCP0D_GPF, GETPC());
 }
 
-void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f)
-{
-    CPU_LDoubleU temp;
-
-    temp.d = f;
-    *pmant = temp.l.lower;
-    *pexp = temp.l.upper;
-}
-
-floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper)
-{
-    CPU_LDoubleU temp;
-
-    temp.l.upper = upper;
-    temp.l.lower = mant;
-    return temp.d;
-}
-
 /* MMX/SSE */
 /* XXX: optimize by storing fptt and fptags in the static cpu state */
 
diff --git a/target/i386/machine.c b/target/i386/machine.c
index 8c7a822e9f..53587ae88b 100644
--- a/target/i386/machine.c
+++ b/target/i386/machine.c
@@ -142,6 +142,24 @@ typedef struct x86_FPReg_tmp {
     uint16_t tmp_exp;
 } x86_FPReg_tmp;
 
+static void cpu_get_fp80(uint64_t *pmant, uint16_t *pexp, floatx80 f)
+{
+    CPU_LDoubleU temp;
+
+    temp.d = f;
+    *pmant = temp.l.lower;
+    *pexp = temp.l.upper;
+}
+
+static floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper)
+{
+    CPU_LDoubleU temp;
+
+    temp.l.upper = upper;
+    temp.l.lower = mant;
+    return temp.d;
+}
+
 static void fpreg_pre_save(void *opaque)
 {
     x86_FPReg_tmp *tmp = opaque;