diff --git a/tcg/ppc/tcg-target-con-str.h b/tcg/ppc/tcg-target-con-str.h
index 9dcbc3df50..094613cbcb 100644
--- a/tcg/ppc/tcg-target-con-str.h
+++ b/tcg/ppc/tcg-target-con-str.h
@@ -16,7 +16,6 @@ REGS('v', ALL_VECTOR_REGS)
  * CONST(letter, TCG_CT_CONST_* bit set)
  */
 CONST('I', TCG_CT_CONST_S16)
-CONST('J', TCG_CT_CONST_U16)
 CONST('M', TCG_CT_CONST_MONE)
 CONST('T', TCG_CT_CONST_S32)
 CONST('U', TCG_CT_CONST_U32)
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index fa016c02ee..29bfbfcc61 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -83,7 +83,6 @@
 #define SZR  (TCG_TARGET_REG_BITS / 8)
 
 #define TCG_CT_CONST_S16  0x100
-#define TCG_CT_CONST_U16  0x200
 #define TCG_CT_CONST_S32  0x400
 #define TCG_CT_CONST_U32  0x800
 #define TCG_CT_CONST_ZERO 0x1000
@@ -270,8 +269,6 @@ static bool tcg_target_const_match(int64_t val, TCGType type, int ct)
 
     if ((ct & TCG_CT_CONST_S16) && val == (int16_t)val) {
         return 1;
-    } else if ((ct & TCG_CT_CONST_U16) && val == (uint16_t)val) {
-        return 1;
     } else if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) {
         return 1;
     } else if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) {