diff --git a/ext/opcache/jit/tls/zend_jit_tls_aarch64.c b/ext/opcache/jit/tls/zend_jit_tls_aarch64.c
index 2dc82221e9cb1..24f0f88454b63 100644
--- a/ext/opcache/jit/tls/zend_jit_tls_aarch64.c
+++ b/ext/opcache/jit/tls/zend_jit_tls_aarch64.c
@@ -238,6 +238,7 @@ void *zend_jit_tsrm_ls_cache_address(
 	size_t module_index,
 	size_t module_offset
 ) {
+#ifndef USE_FALLBACK
 	char *thread_pointer;
 	__asm__ __volatile__(
 		"mrs   %0, tpidr_el0\n"
@@ -251,5 +252,6 @@ void *zend_jit_tsrm_ls_cache_address(
 		dtv_pointer_t *dtv = *(dtv_pointer_t**)((uintptr_t)thread_pointer + DTV_OFFSET);
 		return (void*)(((dtv_pointer_t*)((char*)dtv + module_index))->val + module_offset);
 	}
+#endif
 	return NULL;
 }
diff --git a/ext/opcache/jit/tls/zend_jit_tls_x86.c b/ext/opcache/jit/tls/zend_jit_tls_x86.c
index bca46c8f82664..4e06bbd1eacde 100644
--- a/ext/opcache/jit/tls/zend_jit_tls_x86.c
+++ b/ext/opcache/jit/tls/zend_jit_tls_x86.c
@@ -222,6 +222,7 @@ void *zend_jit_tsrm_ls_cache_address(
 	size_t module_index,
 	size_t module_offset
 ) {
+#ifndef USE_FALLBACK
 	char *thread_pointer;
 	__asm__ __volatile__(
 		"movl   %%gs:0, %0\n"
@@ -235,5 +236,6 @@ void *zend_jit_tsrm_ls_cache_address(
 		dtv_pointer_t *dtv = *(dtv_pointer_t**)((uintptr_t)thread_pointer + DTV_OFFSET);
 		return (void*)(((dtv_pointer_t*)((char*)dtv + module_index))->val + module_offset);
 	}
+#endif
 	return NULL;
 }
diff --git a/ext/opcache/jit/tls/zend_jit_tls_x86_64.c b/ext/opcache/jit/tls/zend_jit_tls_x86_64.c
index 3adeb1ff8064c..11ffe495fcbb3 100644
--- a/ext/opcache/jit/tls/zend_jit_tls_x86_64.c
+++ b/ext/opcache/jit/tls/zend_jit_tls_x86_64.c
@@ -205,6 +205,7 @@ void *zend_jit_tsrm_ls_cache_address(
 	size_t module_index,
 	size_t module_offset
 ) {
+#ifndef USE_FALLBACK
 	char *thread_pointer;
 	__asm__ __volatile__(
 		"movq   %%fs:0, %0\n"
@@ -218,5 +219,6 @@ void *zend_jit_tsrm_ls_cache_address(
 		dtv_pointer_t *dtv = *(dtv_pointer_t**)((uintptr_t)thread_pointer + DTV_OFFSET);
 		return (void*)(((dtv_pointer_t*)((char*)dtv + module_index))->val + module_offset);
 	}
+#endif
 	return NULL;
 }