diff --git a/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c b/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
index 696566c54768..9dcda80d310f 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/arm64/include/uapi/asm/perf_regs.h"
 
@@ -92,5 +90,3 @@ uint64_t __perf_reg_sp_arm64(void)
 {
 	return PERF_REG_ARM64_SP;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_arm.c b/tools/perf/util/perf-regs-arch/perf_regs_arm.c
index 700fd07cd2aa..e29d130a587a 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_arm.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_arm.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/arm/include/uapi/asm/perf_regs.h"
 
@@ -56,5 +54,3 @@ uint64_t __perf_reg_sp_arm(void)
 {
 	return PERF_REG_ARM_SP;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_csky.c b/tools/perf/util/perf-regs-arch/perf_regs_csky.c
index a2841094e096..75b461ef2eba 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_csky.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_csky.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../arch/csky/include/uapi/asm/perf_regs.h"
 
@@ -96,5 +94,3 @@ uint64_t __perf_reg_sp_csky(void)
 {
 	return PERF_REG_CSKY_SP;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c b/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
index a9ba0f934123..043f97f4e3ac 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/loongarch/include/uapi/asm/perf_regs.h"
 
@@ -87,5 +85,3 @@ uint64_t __perf_reg_sp_loongarch(void)
 {
 	return PERF_REG_LOONGARCH_R3;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_mips.c b/tools/perf/util/perf-regs-arch/perf_regs_mips.c
index 5a45830cfbf5..793178fc3c78 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_mips.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_mips.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/mips/include/uapi/asm/perf_regs.h"
 
@@ -83,5 +81,3 @@ uint64_t __perf_reg_sp_mips(void)
 {
 	return PERF_REG_MIPS_R29;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c b/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
index 1f0d682db74a..08636bb09a3a 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/powerpc/include/uapi/asm/perf_regs.h"
 
@@ -141,5 +139,3 @@ uint64_t __perf_reg_sp_powerpc(void)
 {
 	return PERF_REG_POWERPC_R1;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_riscv.c b/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
index e432630be4c5..337b687c655d 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_riscv.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/riscv/include/uapi/asm/perf_regs.h"
 
@@ -88,5 +86,3 @@ uint64_t __perf_reg_sp_riscv(void)
 {
 	return PERF_REG_RISCV_SP;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_s390.c b/tools/perf/util/perf-regs-arch/perf_regs_s390.c
index 1c7a46db778c..d69bba881080 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_s390.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_s390.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/s390/include/uapi/asm/perf_regs.h"
 
@@ -92,5 +90,3 @@ uint64_t __perf_reg_sp_s390(void)
 {
 	return PERF_REG_S390_R15;
 }
-
-#endif
diff --git a/tools/perf/util/perf-regs-arch/perf_regs_x86.c b/tools/perf/util/perf-regs-arch/perf_regs_x86.c
index 873c620f0634..708954a9d35d 100644
--- a/tools/perf/util/perf-regs-arch/perf_regs_x86.c
+++ b/tools/perf/util/perf-regs-arch/perf_regs_x86.c
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 #include "../perf_regs.h"
 #include "../../../arch/x86/include/uapi/asm/perf_regs.h"
 
@@ -94,5 +92,3 @@ uint64_t __perf_reg_sp_x86(void)
 {
 	return PERF_REG_X86_SP;
 }
-
-#endif
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index e2275856b570..64724eb58dd5 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -21,8 +21,6 @@ uint64_t __weak arch__user_reg_mask(void)
 	return 0;
 }
 
-#ifdef HAVE_PERF_REGS_SUPPORT
-
 const char *perf_reg_name(int id, const char *arch)
 {
 	const char *reg_name = NULL;
@@ -125,5 +123,3 @@ uint64_t perf_arch_reg_sp(const char *arch)
 	pr_err("Fail to find SP register for arch %s, returns 0\n", arch);
 	return 0;
 }
-
-#endif
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index ecd2a5362042..7fd0c7b4cec1 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -27,7 +27,6 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op);
 uint64_t arch__intr_reg_mask(void);
 uint64_t arch__user_reg_mask(void);
 
-#ifdef HAVE_PERF_REGS_SUPPORT
 extern const struct sample_reg sample_reg_masks[];
 
 const char *perf_reg_name(int id, const char *arch);
@@ -67,34 +66,4 @@ static inline uint64_t DWARF_MINIMAL_REGS(const char *arch)
 	return (1ULL << perf_arch_reg_ip(arch)) | (1ULL << perf_arch_reg_sp(arch));
 }
 
-#else
-
-static inline uint64_t DWARF_MINIMAL_REGS(const char *arch __maybe_unused)
-{
-	return 0;
-}
-
-static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused)
-{
-	return "unknown";
-}
-
-static inline int perf_reg_value(u64 *valp __maybe_unused,
-				 struct regs_dump *regs __maybe_unused,
-				 int id __maybe_unused)
-{
-	return 0;
-}
-
-static inline uint64_t perf_arch_reg_ip(const char *arch __maybe_unused)
-{
-	return 0;
-}
-
-static inline uint64_t perf_arch_reg_sp(const char *arch __maybe_unused)
-{
-	return 0;
-}
-
-#endif /* HAVE_PERF_REGS_SUPPORT */
 #endif /* __PERF_REGS_H */
