diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h
index 200e9b5e0e..5ec30dba25 100644
--- a/tcg/aarch64/tcg-target.h
+++ b/tcg/aarch64/tcg-target.h
@@ -155,6 +155,5 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif /* AARCH64_TCG_TARGET_H */
diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index 4d201b1216..8d1fee6327 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -142,6 +142,5 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index 48a6f2a336..b693d3692d 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -235,6 +235,5 @@ static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index e520a9d6e3..c2c32fb38f 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -207,6 +207,5 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 #ifdef CONFIG_SOFTMMU
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index 551f8d0fc9..d1339afc66 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -185,6 +185,5 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index a998b951e4..727c8df418 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -171,6 +171,5 @@ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 #define TCG_TARGET_NEED_POOL_LABELS
 
 #define TCG_TARGET_HAS_MEMORY_BSWAP 0
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h
index 7aafd25a46..641464eea4 100644
--- a/tcg/s390/tcg-target.h
+++ b/tcg/s390/tcg-target.h
@@ -159,6 +159,5 @@ static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h
index f50e8d50ee..f66f5d07dc 100644
--- a/tcg/sparc/tcg-target.h
+++ b/tcg/sparc/tcg-target.h
@@ -168,6 +168,5 @@ extern bool use_vis3_instructions;
 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_CON_SET_H
 
 #endif
diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h
index 1efd8c4fb0..bb784e018e 100644
--- a/tcg/tci/tcg-target.h
+++ b/tcg/tci/tcg-target.h
@@ -207,6 +207,4 @@ static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
     /* no need to flush icache explicitly */
 }
 
-#define TCG_TARGET_CON_SET_H
-
 #endif /* TCG_TARGET_H */
diff --git a/tcg/tcg.c b/tcg/tcg.c
index df9f32763e..63a12b197b 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -69,9 +69,6 @@
 /* Forward declarations for functions declared in tcg-target.c.inc and
    used here. */
 static void tcg_target_init(TCGContext *s);
-#ifndef TCG_TARGET_CON_SET_H
-static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode);
-#endif
 static void tcg_target_qemu_prologue(TCGContext *s);
 static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
                         intptr_t value, intptr_t addend);
@@ -349,7 +346,6 @@ static void set_jmp_reset_offset(TCGContext *s, int which)
     s->tb_jmp_reset_offset[which] = tcg_current_code_size(s);
 }
 
-#ifdef TCG_TARGET_CON_SET_H
 #define C_PFX1(P, A)                    P##A
 #define C_PFX2(P, A, B)                 P##A##_##B
 #define C_PFX3(P, A, B, C)              P##A##_##B##_##C
@@ -453,8 +449,6 @@ static const TCGTargetOpDef constraint_sets[] = {
 #define C_O2_I3(O1, O2, I1, I2, I3)     C_PFX5(c_o2_i3_, O1, O2, I1, I2, I3)
 #define C_O2_I4(O1, O2, I1, I2, I3, I4) C_PFX6(c_o2_i4_, O1, O2, I1, I2, I3, I4)
 
-#endif /* TCG_TARGET_CON_SET_H */
-
 #include "tcg-target.c.inc"
 
 /* compare a pointer @ptr and a tb_tc @s */
@@ -2532,7 +2526,6 @@ static void process_op_defs(TCGContext *s)
             continue;
         }
 
-#ifdef TCG_TARGET_CON_SET_H
         /*
          * Macro magic should make it impossible, but double-check that
          * the array index is in range.  Since the signness of an enum
@@ -2541,11 +2534,6 @@ static void process_op_defs(TCGContext *s)
         unsigned con_set = tcg_target_op_def(op);
         tcg_debug_assert(con_set < ARRAY_SIZE(constraint_sets));
         tdefs = &constraint_sets[con_set];
-#else
-        tdefs = tcg_target_op_def(op);
-        /* Missing TCGTargetOpDef entry. */
-        tcg_debug_assert(tdefs != NULL);
-#endif
 
         for (i = 0; i < nb_args; i++) {
             const char *ct_str = tdefs->args_ct_str[i];
