diff --git a/include/logging/log_msg2.h b/include/logging/log_msg2.h
index 294536d588..7605586e0c 100644
--- a/include/logging/log_msg2.h
+++ b/include/logging/log_msg2.h
@@ -117,9 +117,6 @@ enum z_log_msg2_mode {
 	 * more code size.
 	 */
 	Z_LOG_MSG2_MODE_ZERO_COPY,
-
-	/* Mode used when synchronous logging is enabled. */
-	Z_LOG_MSG2_MODE_SYNC
 };
 
 #define Z_LOG_MSG_DESC_INITIALIZER(_domain_id, _level, _plen, _dlen) \
@@ -194,23 +191,6 @@ enum z_log_msg2_mode {
 				  Z_LOG_MSG2_ALIGNMENT), \
 			 sizeof(uint32_t))
 
-#define Z_LOG_MSG2_SYNC(_domain_id, _source, _level, _data, _dlen, ...) do { \
-	int _plen; \
-	CBPRINTF_STATIC_PACKAGE(NULL, 0, _plen, Z_LOG_MSG2_ALIGN_OFFSET, \
-				0, __VA_ARGS__); \
-	struct log_msg2 *_msg; \
-	Z_LOG_MSG2_ON_STACK_ALLOC(_msg, Z_LOG_MSG2_LEN(_plen, _dlen)); \
-	if (_plen) {\
-		CBPRINTF_STATIC_PACKAGE(_msg->data, _plen, _plen, \
-					Z_LOG_MSG2_ALIGN_OFFSET, \
-					0, __VA_ARGS__); \
-	} \
-	struct log_msg2_desc _desc = \
-		     Z_LOG_MSG_DESC_INITIALIZER(_domain_id, _level, \
-			   (uint32_t)_plen, _dlen); \
-	z_log_msg2_finalize(_msg, _source, _desc, _data); \
-} while (0)
-
 #define Z_LOG_MSG2_STACK_CREATE(_domain_id, _source, _level, _data, _dlen, ...)\
 do { \
 	int _plen; \
@@ -353,23 +333,6 @@ do {\
 				  Z_LOG_FMT_ARGS(_fmt, ##__VA_ARGS__));\
 	_mode = Z_LOG_MSG2_MODE_RUNTIME; \
 } while (0)
-#elif defined(CONFIG_LOG_MODE_IMMEDIATE) /* CONFIG_LOG2_ALWAYS_RUNTIME */
-#define Z_LOG_MSG2_CREATE3(_try_0cpy, _mode,  _cstr_cnt, _domain_id, _source,\
-			  _level, _data, _dlen, ...) \
-do { \
-	Z_LOG_MSG2_STR_VAR(_fmt, ##__VA_ARGS__); \
-	if (CBPRINTF_MUST_RUNTIME_PACKAGE(_cstr_cnt, 0, __VA_ARGS__)) { \
-		LOG_MSG2_DBG("create runtime message\n");\
-		z_log_msg2_runtime_create(_domain_id, (void *)_source, \
-					  _level, (uint8_t *)_data, _dlen,\
-					  Z_LOG_FMT_ARGS(_fmt, ##__VA_ARGS__));\
-		_mode = Z_LOG_MSG2_MODE_RUNTIME; \
-	} else {\
-		Z_LOG_MSG2_SYNC(_domain_id, _source, _level, \
-				_data, _dlen, Z_LOG_FMT_ARGS(_fmt, ##__VA_ARGS__)); \
-		_mode = Z_LOG_MSG2_MODE_SYNC; \
-	} \
-} while (0)
 #else /* CONFIG_LOG2_ALWAYS_RUNTIME */
 #define Z_LOG_MSG2_CREATE3(_try_0cpy, _mode,  _cstr_cnt, _domain_id, _source,\
 			  _level, _data, _dlen, ...) \
diff --git a/subsys/logging/Kconfig.misc b/subsys/logging/Kconfig.misc
index 6c2ccdb4c9..edb2a5c9a7 100644
--- a/subsys/logging/Kconfig.misc
+++ b/subsys/logging/Kconfig.misc
@@ -35,16 +35,18 @@ config LOG2_USE_VLA
 	  compile time so at runtime arrays have fixed size.
 
 config LOG2_ALWAYS_RUNTIME
-	bool "Always use runtime message creation (v2)"
+	bool
 	default y if NO_OPTIMIZATIONS
+	default y if LOG_MODE_IMMEDIATE
 	help
 	  If enabled, runtime method is always used for message creation. Static
 	  creation relies on compiler being able to optimize and remove code
-	  based on information known at compile time. It is recommended to
-	  enable this option when optimization is disabled because some compilers
+	  based on information known at compile time. Runtime only approach is
+	  used when optimization is disabled because some compilers
 	  (seen on arm_cortex_m and x86) were using unrealistic amount of stack
-	  for dead code. Option applies to v1 as well because distinction
-	  between versions is done by the compiler.
+	  for dead code. It is also used in immediate mode since it requires
+	  less stack than static message creation and speed has lower priority
+	  in that mode.
 
 config LOG2_FMT_SECTION
 	bool "Keep log strings in dedicated section"
diff --git a/subsys/logging/Kconfig.processing b/subsys/logging/Kconfig.processing
index 13d0852314..4bab6c415a 100644
--- a/subsys/logging/Kconfig.processing
+++ b/subsys/logging/Kconfig.processing
@@ -163,6 +163,7 @@ config LOG_TIMESTAMP_64BIT
 
 config LOG_SPEED
 	bool "Prefer performance over size"
+	depends on LOG_MODE_DEFERRED
 	help
 	  If enabled, logging may take more code size to get faster logging.
 endif # LOG2