diff --git a/ArduCopter/Copter.cpp b/ArduCopter/Copter.cpp
index a7548fbb54..cbdea5824b 100644
--- a/ArduCopter/Copter.cpp
+++ b/ArduCopter/Copter.cpp
@@ -31,8 +31,6 @@ Copter::Copter(void) :
     control_mode(STABILIZE),
 #if FRAME_CONFIG == HELI_FRAME  // helicopter constructor requires more arguments
     motors(g.rc_7, g.heli_servo_rsc, g.heli_servo_1, g.heli_servo_2, g.heli_servo_3, g.heli_servo_4, MAIN_LOOP_RATE),
-#elif FRAME_CONFIG == SINGLE_FRAME  // single constructor requires extra servos for flaps
-    motors(g.single_servo_1, g.single_servo_2, g.single_servo_3, g.single_servo_4, MAIN_LOOP_RATE),
 #else
     motors(MAIN_LOOP_RATE),
 #endif
diff --git a/ArduCopter/Parameters.cpp b/ArduCopter/Parameters.cpp
index cb430965a1..5675926c5b 100644
--- a/ArduCopter/Parameters.cpp
+++ b/ArduCopter/Parameters.cpp
@@ -1001,18 +1001,6 @@ const AP_Param::Info Copter::var_info[] = {
     GOBJECT(motors, "H_",           AP_MotorsHeli_Single),
 
 #elif FRAME_CONFIG == SINGLE_FRAME
-    // @Group: SS1_
-    // @Path: ../libraries/RC_Channel/RC_Channel.cpp
-    GGROUP(single_servo_1,    "SS1_", RC_Channel),
-    // @Group: SS2_
-    // @Path: ../libraries/RC_Channel/RC_Channel.cpp
-    GGROUP(single_servo_2,    "SS2_", RC_Channel),
-    // @Group: SS3_
-    // @Path: ../libraries/RC_Channel/RC_Channel.cpp
-    GGROUP(single_servo_3,    "SS3_", RC_Channel),
-    // @Group: SS4_
-    // @Path: ../libraries/RC_Channel/RC_Channel.cpp
-    GGROUP(single_servo_4,    "SS4_", RC_Channel),
     // @Group: MOT_
     // @Path: ../libraries/AP_Motors/AP_MotorsSingle.cpp
     GOBJECT(motors, "MOT_",           AP_MotorsSingle),
diff --git a/ArduCopter/Parameters.h b/ArduCopter/Parameters.h
index b91d071160..cabf04c2ef 100644
--- a/ArduCopter/Parameters.h
+++ b/ArduCopter/Parameters.h
@@ -458,10 +458,6 @@ public:
     RC_Channel      heli_servo_1, heli_servo_2, heli_servo_3, heli_servo_4;     // servos for swash plate and tail
     RC_Channel      heli_servo_rsc;                                             // servo for rotor speed control output
 #endif
-#if FRAME_CONFIG ==     SINGLE_FRAME
-    // Single
-    RC_Channel      single_servo_1, single_servo_2, single_servo_3, single_servo_4;     // servos for four flaps
-#endif
 
     // RC channels
     RC_Channel              rc_1;
@@ -526,12 +522,6 @@ public:
         heli_servo_4        (CH_4),
         heli_servo_rsc      (CH_8),
 #endif
-#if FRAME_CONFIG ==     SINGLE_FRAME
-        single_servo_1        (CH_1),
-        single_servo_2        (CH_2),
-        single_servo_3        (CH_3),
-        single_servo_4        (CH_4),
-#endif
 
         rc_1                (CH_1),
         rc_2                (CH_2),