diff --git a/userspace/libsinsp/plugin_table_api.cpp b/userspace/libsinsp/plugin_table_api.cpp
index 10515d4398..02da0e829e 100644
--- a/userspace/libsinsp/plugin_table_api.cpp
+++ b/userspace/libsinsp/plugin_table_api.cpp
@@ -29,48 +29,6 @@ limitations under the License.
 		}                                   \
 	}
 
-#define __PLUGIN_STATETYPE_SWITCH(_kt)                                              \
-	{                                                                               \
-		switch(_kt) {                                                               \
-		case ss_plugin_state_type::SS_PLUGIN_ST_INT8:                               \
-			_X(int8_t, s8);                                                         \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_INT16:                              \
-			_X(int16_t, s16);                                                       \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_INT32:                              \
-			_X(int32_t, s32);                                                       \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_INT64:                              \
-			_X(int64_t, s64);                                                       \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_UINT8:                              \
-			_X(uint8_t, u8);                                                        \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_UINT16:                             \
-			_X(uint16_t, u16);                                                      \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_UINT32:                             \
-			_X(uint32_t, u32);                                                      \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_UINT64:                             \
-			_X(uint64_t, u64);                                                      \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_STRING:                             \
-			_X(std::string, str);                                                   \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_BOOL:                               \
-			_X(bool, b);                                                            \
-			break;                                                                  \
-		case ss_plugin_state_type::SS_PLUGIN_ST_TABLE:                              \
-			_X(libsinsp::state::base_table*, table);                                \
-			break;                                                                  \
-		default:                                                                    \
-			throw sinsp_exception("can't convert plugin state type to typeinfo: " + \
-			                      std::to_string(_kt));                             \
-		}                                                                           \
-	}
-
 template<typename From, typename To>
 static inline void convert_types(const From& from, To& to) {
 	to = from;