diff --git a/firmware/config/engines/honda_accord.h b/firmware/config/engines/honda_accord.h
index f9e32ee114..fd62690cb5 100644
--- a/firmware/config/engines/honda_accord.h
+++ b/firmware/config/engines/honda_accord.h
@@ -9,10 +9,14 @@
 #include "engine_configuration.h"
 
 void setHondaAccordConfigurationTwoWires(DECLARE_CONFIG_PARAMETER_SIGNATURE);
-void setHondaAccordConfigurationThreeWires(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setHondaAccordConfigurationDip(DECLARE_CONFIG_PARAMETER_SIGNATURE);
-void setHondaAccordConfiguration1_24(DECLARE_CONFIG_PARAMETER_SIGNATURE);
-void setHondaAccordConfiguration1_24_shifted(DECLARE_CONFIG_PARAMETER_SIGNATURE);
-void setHondaCivic4_0_both(DECLARE_CONFIG_PARAMETER_SIGNATURE);
-void setHondaCivic4_0_rise(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 
+/**
+ * https://technet.ff-squad.com/wiring.obd1.htm
+ *
+ * as you move inward from the outside of the connector, tooth count decreases
+ * outermost CKP = 12/24
+ * middle = 4 total, 1/cyl
+ * inner CID cylinder ID  = 1 total, 1/cam
+ */
+void setHondaAccordConfiguration1_24(DECLARE_CONFIG_PARAMETER_SIGNATURE);
diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index d9d1ba9d36..a480129a71 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -44,7 +44,7 @@ typedef enum {
 	FORD_ASPIRE_1996 = ET_FORD_ASPIRE,
 
 	NISSAN_PRIMERA = ET_NISSAN_PRIMERA,
-	HONDA_ACCORD_CD = 6,
+	UNUSED_6 = 6,
 	FORD_INLINE_6_1995 = 7,
 	/**
 	 * one cylinder engine
@@ -138,19 +138,13 @@ typedef enum {
 	 */
 	MAZDA_MIATA_2003 = ET_FRANKENSO_MIATA_NB2,
 
-	HONDA_ACCORD_1_24_SHIFTED = 48,
+	UNUSED_48 = 48,
 
 	FRANKENSO_QA_ENGINE = 49,
 
-	/**
-	 * this is about unit-testing skipped wheel trigger
-	 */
-	TEST_CIVIC_4_0_BOTH = 50,
+	UNUSED_50 = 50,
 
-	/**
-	 * this is about unit-testing skipped wheel trigger
-	 */
-	TEST_CIVIC_4_0_RISE = 51,
+	UNUSED_51 = 51,
 
 
 	TEST_ISSUE_366_BOTH = 52,
@@ -281,7 +275,7 @@ typedef enum {
 	TT_TOOTHED_WHEEL_36_1 = TT_TT_TOOTHED_WHEEL_36_1,
 
 	// todo: remove this weird trigger?
-	TT_HONDA_4_24_1 = TT_TT_HONDA_4_24_1,
+	TT_UNUSED_10 = TT_TT_UNUSED_10,
 
 	// todo: this really looks to be same as Miata_NA shall we remove?
 	TT_MITSUBISHI = 11,
diff --git a/firmware/controllers/settings.h b/firmware/controllers/settings.h
index 0f53ecacfe..1258615084 100644
--- a/firmware/controllers/settings.h
+++ b/firmware/controllers/settings.h
@@ -18,9 +18,3 @@ void setCallFromPitStop(int durationMs);
 void printTPSInfo(void);
 void setEngineType(int value DECLARE_ENGINE_PARAMETER_SUFFIX);
 void readPin(const char *pinName);
-
-/**
- * See also getEngine_type_e()
- */
-const char* getConfigurationName(engine_type_e engineType);
-
diff --git a/firmware/controllers/trigger/decoders/trigger_structure.cpp b/firmware/controllers/trigger/decoders/trigger_structure.cpp
index acf7461aee..1b5d6323c7 100644
--- a/firmware/controllers/trigger/decoders/trigger_structure.cpp
+++ b/firmware/controllers/trigger/decoders/trigger_structure.cpp
@@ -654,11 +654,7 @@ void TriggerWaveform::initializeTriggerWaveform(operation_mode_e ambiguousOperat
 		configureHondaK_12_1(this);
 		break;
 
-	case TT_HONDA_4_24_1:
-		configureHonda_1_4_24(this, true, true, T_CHANNEL_3, T_PRIMARY, 0);
-		shapeWithoutTdc = true;
-		break;
-
+	case TT_UNUSED_10:
 	case TT_HONDA_4_24:
 		configureHonda_1_4_24(this, false, true, T_NONE, T_PRIMARY, 0);
 		shapeWithoutTdc = true;
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 34808c29f8..095af7211e 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -421,7 +421,7 @@ end_struct
 #define TT_TT_MAZDA_SOHC_4 7
 #define TT_TT_TOOTHED_WHEEL_60_2 8
 #define TT_TT_TOOTHED_WHEEL_36_1 9
-#define TT_TT_HONDA_4_24_1 10
+#define TT_TT_UNUSED_10 10
 #define TT_TT_HONDA_1_4_24 13
 #define TT_TT_MAZDA_DOHC_1_4 15
 #define TT_TT_VVT_JZ 17
diff --git a/unit_tests/tests/trigger/test_trigger_decoder.cpp b/unit_tests/tests/trigger/test_trigger_decoder.cpp
index ad24354672..f0d21dcc29 100644
--- a/unit_tests/tests/trigger/test_trigger_decoder.cpp
+++ b/unit_tests/tests/trigger/test_trigger_decoder.cpp
@@ -500,9 +500,7 @@ TEST(misc, testTriggerDecoder) {
 	testTriggerDecoder2("test1+1", DEFAULT_FRANKENSO, 0, 0.7500, 0.2500);
 
 	testTriggerDecoder2("testCitroen", CITROEN_TU3JP, 0, 0.4833, 0);
-	testTriggerDecoder2("testAccordCd 3w", HONDA_ACCORD_CD, 12, 0.8146, 0.5000);
 	testTriggerDecoder2("testAccordCd 2w", HONDA_ACCORD_CD_TWO_WIRES, 2, 0.9167, 0.5);
-	testTriggerDecoder2("testAccordCdDip", HONDA_ACCORD_CD_DIP, 27, 0.5000, 0.5000);
 
 	testTriggerDecoder2("testMitsu", MITSU_4G93, 0, 0.3553, 0.3752);
 	{