diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index cf0ca3d..38e2057 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -145,12 +145,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return 4;
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/hppa/tcg-target.c b/tcg/hppa/tcg-target.c
index 4f17928..985476a 100644
--- a/tcg/hppa/tcg-target.c
+++ b/tcg/hppa/tcg-target.c
@@ -175,12 +175,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     *insn_ptr = insn;
 }
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return 4;
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index d60bab8..3c25acc 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -112,12 +112,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return ARRAY_SIZE(tcg_target_call_iarg_regs);
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/ia64/tcg-target.c b/tcg/ia64/tcg-target.c
index dc588db..7f31876 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -176,12 +176,6 @@ static const int tcg_target_call_oarg_regs[] = {
     TCG_REG_R8
 };
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return 8;
-}
-
 /*
  * opcode formation
  */
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 1006e28..aad590c 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -185,12 +185,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return 4;
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index 0cff181..b889e34 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -221,12 +221,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return ARRAY_SIZE (tcg_target_call_iarg_regs);
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 27a0ae8..08c5c0f 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -208,12 +208,6 @@ static void patch_reloc (uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static int tcg_target_get_call_iarg_regs_count (int flags)
-{
-    return ARRAY_SIZE (tcg_target_call_iarg_regs);
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint (TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index 99b5339..287f010 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -376,11 +376,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-static int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return sizeof(tcg_target_call_iarg_regs) / sizeof(int);
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 247a278..3b6c108 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -137,12 +137,6 @@ static void patch_reloc(uint8_t *code_ptr, int type,
     }
 }
 
-/* maximum number of register used for input function arguments */
-static inline int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return 6;
-}
-
 /* parse target specific constraints */
 static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 {
diff --git a/tcg/tcg.c b/tcg/tcg.c
index a4e7f42..53316f6 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -89,7 +89,6 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1,
                        tcg_target_long arg2);
 static int tcg_target_const_match(tcg_target_long val,
                                   const TCGArgConstraint *arg_ct);
-static int tcg_target_get_call_iarg_regs_count(int flags);
 
 TCGOpDef tcg_op_defs[] = {
 #define DEF(s, oargs, iargs, cargs, flags) { #s, oargs, iargs, cargs, iargs + oargs + cargs, flags },
@@ -182,6 +181,12 @@ int gen_new_label(void)
 
 #include "tcg-target.c"
 
+/* Maximum number of register used for input function arguments. */
+static inline int tcg_target_get_call_iarg_regs_count(int flags)
+{
+    return ARRAY_SIZE(tcg_target_call_iarg_regs);
+}
+
 /* pool based memory allocation */
 void *tcg_malloc_internal(TCGContext *s, int size)
 {
diff --git a/tcg/tci/tcg-target.c b/tcg/tci/tcg-target.c
index 7124b15..7d43132 100644
--- a/tcg/tci/tcg-target.c
+++ b/tcg/tci/tcg-target.c
@@ -891,12 +891,6 @@ static int tcg_target_const_match(tcg_target_long val,
     return arg_ct->ct & TCG_CT_CONST;
 }
 
-/* Maximum number of register used for input function arguments. */
-static int tcg_target_get_call_iarg_regs_count(int flags)
-{
-    return ARRAY_SIZE(tcg_target_call_iarg_regs);
-}
-
 static void tcg_target_init(TCGContext *s)
 {
 #if defined(CONFIG_DEBUG_TCG_INTERPRETER)
