diff --git a/src/info.c b/src/info.c
index 87c0a28c1..947b06701 100644
--- a/src/info.c
+++ b/src/info.c
@@ -4223,8 +4223,8 @@ state_t states[NUMSTATES] =
 	{SPR_SPBM, 8, 1, {NULL}, 0, 0,  S_SPB1}, // S_SPB20
 	{SPR_SPBM, 8, 175, {NULL}, 0, 0, S_NULL}, // S_SPB_DEAD
 
-	{SPR_TRIS, FF_FULLBRIGHT|FF_ANIMATE|FF_PAPERSPRITE|FF_TRANS20|FF_ADD,  9, {NULL},  2, 3, S_MANTA2}, // S_MANTA1
-	{SPR_TRNQ, FF_FULLBRIGHT|FF_ANIMATE|FF_PAPERSPRITE|FF_TRANS20|FF_ADD, -1, {NULL}, 11, 3, S_NULL},   // S_MANTA2
+	{SPR_TRIS, FF_FULLBRIGHT|FF_ANIMATE|FF_PAPERSPRITE|FF_ADD,  9, {NULL},  2, 3, S_MANTA2}, // S_MANTA1
+	{SPR_TRNQ, FF_FULLBRIGHT|FF_ANIMATE|FF_PAPERSPRITE|FF_ADD, -1, {NULL}, 7, 1, S_NULL},   // S_MANTA2
 
 	{SPR_THNS, FF_FULLBRIGHT|9,  2, {NULL}, 0, 0, S_LIGHTNINGSHIELD2},		// S_LIGHTNINGSHIELD1
 	{SPR_THNS, FF_FULLBRIGHT|10, 2, {NULL}, 0, 0, S_LIGHTNINGSHIELD3},		// S_LIGHTNINGSHIELD2
diff --git a/src/objects/manta-ring.c b/src/objects/manta-ring.c
index 639732af7..f136bf597 100644
--- a/src/objects/manta-ring.c
+++ b/src/objects/manta-ring.c
@@ -28,7 +28,7 @@
 #define MANTA_MINTIME (15)
 #define MANTA_SPRINTTIME (60)
 
-#define MANTA_ALIVEGATE (FF_TRANS40)
+#define MANTA_ALIVEGATE (0)
 #define MANTA_DEADGATE (FF_TRANS80)
 
 #define MANTA_SIZE (2 * FRACUNIT)
diff --git a/src/objects/spb.c b/src/objects/spb.c
index 2817fc7a7..43e059a5e 100644
--- a/src/objects/spb.c
+++ b/src/objects/spb.c
@@ -24,7 +24,7 @@
 #include "../k_waypoint.h"
 #include "../k_respawn.h"
 
-//#define SPB_SEEKTEST
+#define SPB_SEEKTEST
 
 #define SPB_SLIPTIDEDELTA (ANG1 * 3)
 #define SPB_STEERDELTA (ANGLE_90 - ANG10)