diff --git a/src/dehacked.c b/src/dehacked.c
index b2d3bff3ab04b83405df33b14ca7c5ce99bcd489..c172549e1bcf2a7d12965d9cdace291136ab01d8 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -4700,23 +4700,6 @@ static const char *const STATE_LIST[] = { // array length left dynamic for sanit
 	// THZ Plant
 	"S_THZFLOWERA",
 	"S_THZFLOWERB",
-	"S_YELLOWSPINFLOWER",
-	
-	// THZ Tree
-	"S_THZTREE",
-	"S_THZTREEBRANCH1",
-	"S_THZTREEBRANCH2",
-	"S_THZTREEBRANCH3",
-	"S_THZTREEBRANCH4",
-	"S_THZTREEBRANCH5",
-	"S_THZTREEBRANCH6",
-	"S_THZTREEBRANCH7",
-	"S_THZTREEBRANCH8",
-	"S_THZTREEBRANCH9",
-	"S_THZTREEBRANCH10",
-	"S_THZTREEBRANCH11",
-	"S_THZTREEBRANCH12",
-	"S_THZTREEBRANCH13",
 
 	// THZ Alarm
 	"S_ALARM1",
@@ -6146,10 +6129,7 @@ static const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for s
 
 	// Techno Hill Scenery
 	"MT_THZFLOWER1",
-	"MT_THZTREE",
-	"MT_THZTREEBRANCH",
 	"MT_THZFLOWER2",
-	"MT_YELLOWSPINFLOWER",
 	"MT_ALARM",
 
 	// Deep Sea Scenery
diff --git a/src/info.c b/src/info.c
index 256d430ae7846466cbcd781f725cadaf807efa8e..acb12379a9e021c93fa07155ab668b1592dc075b 100644
--- a/src/info.c
+++ b/src/info.c
@@ -191,9 +191,7 @@ char sprnames[NUMSPRITES + 1][5] =
 
 	// Techno Hill Scenery
 	"THZP", // Techno Hill Zone Plant
-	"THZT", // THZ Tree
 	"FWR5", // Another one
-	"FWR6",
 	"ALRM", // THZ2 Alarm
 
 	// Deep Sea Scenery
@@ -1913,25 +1911,6 @@ state_t states[NUMSTATES] =
 
 	{SPR_THZP, FF_ANIMATE, -1, {NULL},  7, 4, S_NULL}, // S_THZFLOWERA
 	{SPR_FWR5, FF_ANIMATE, -1, {NULL}, 19, 2, S_NULL}, // S_THZFLOWERB
-	{SPR_FWR6, FF_ANIMATE, 0, {NULL}, 19, 2, S_NULL}, // S_YELLOWSPINFLOWER
-	
-	// THZ Tree
-	{SPR_THZT, 0, -1, {NULL}, 0, 0, S_THZTREE}, // S_THZTREE
-	
-	// THZ Tree Branches
-	{SPR_THZT, 1|FF_PAPERSPRITE, 40, {NULL}, 0, 0, S_THZTREEBRANCH2}, // S_THZTREEBRANCH1
-	{SPR_THZT, 2|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH3},  // S_THZTREEBRANCH2
-	{SPR_THZT, 3|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH4},  // S_THZTREEBRANCH3
-	{SPR_THZT, 4|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH5},  // S_THZTREEBRANCH4
-	{SPR_THZT, 5|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH6},  // S_THZTREEBRANCH5
-	{SPR_THZT, 6|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH7},  // S_THZTREEBRANCH6
-	{SPR_THZT, 7|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH8},  // S_THZTREEBRANCH7
-	{SPR_THZT, 8|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH9},  // S_THZTREEBRANCH8
-	{SPR_THZT, 9|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH10}, // S_THZTREEBRANCH9
-	{SPR_THZT, 10|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH11},// S_THZTREEBRANCH10
-	{SPR_THZT, 11|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH12},// S_THZTREEBRANCH11
-	{SPR_THZT, 12|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH13},// S_THZTREEBRANCH12
-	{SPR_THZT, 13|FF_PAPERSPRITE, 4, {NULL}, 0, 0, S_THZTREEBRANCH1}, // S_THZTREEBRANCH13
 
 	// THZ Alarm
 	{SPR_ALRM, FF_FULLBRIGHT, 35, {A_Scream}, 0, 0, S_ALARM1}, // S_ALARM1
@@ -8604,60 +8583,6 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
-	{           // MT_THZTREE
-		904,            // doomednum
-		S_THZTREE,    // spawnstate
-		1000,           // spawnhealth
-		S_NULL,         // seestate
-		sfx_None,       // seesound
-		8,              // reactiontime
-		sfx_None,       // attacksound
-		S_NULL,         // painstate
-		0,              // painchance
-		sfx_None,       // painsound
-		S_NULL,         // meleestate
-		S_NULL,         // missilestate
-		S_NULL,         // deathstate
-		S_NULL,         // xdeathstate
-		sfx_None,       // deathsound
-		8,              // speed
-		16*FRACUNIT,     // radius
-		64*FRACUNIT,    // height
-		0,              // display offset
-		16,             // mass
-		0,              // damage
-		sfx_None,       // activesound
-		MF_NOBLOCKMAP|MF_SCENERY, // flags
-		S_NULL          // raisestate
-	},
-	
-	{           // MT_THZTREEBRANCH
-		-1,              // doomednum
-		S_THZTREEBRANCH1,// spawnstate
-		1000,            // spawnhealth
-		S_NULL,          // seestate
-		sfx_None,        // seesound
-		8,               // reactiontime
-		sfx_None,        // attacksound
-		S_NULL,          // painstate
-		0,               // painchance
-		sfx_None,        // painsound
-		S_NULL,          // meleestate
-		S_NULL,          // missilestate
-		S_NULL,          // deathstate
-		S_NULL,          // xdeathstate
-		sfx_None,        // deathsound
-		8,               // speed
-		1*FRACUNIT,      // radius
-		1*FRACUNIT,      // height
-		0,               // display offset
-		16,              // mass
-		0,               // damage
-		sfx_None,        // activesound
-		MF_NOBLOCKMAP|MF_SCENERY, // flags
-		S_NULL          // raisestate
-	},
-	
 	{           // MT_THZFLOWER2
 		902,            // doomednum
 		S_THZFLOWERB,    // spawnstate
@@ -8684,33 +8609,6 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		MF_NOBLOCKMAP|MF_NOCLIP|MF_SCENERY, // flags
 		S_NULL          // raisestate
 	},
-	
-	{           // MT_YELLOWSPINFLOWER
-		903,            // doomednum
-		S_YELLOWSPINFLOWER,    // spawnstate
-		1000,           // spawnhealth
-		S_NULL,         // seestate
-		sfx_None,       // seesound
-		8,              // reactiontime
-		sfx_None,       // attacksound
-		S_NULL,         // painstate
-		0,              // painchance
-		sfx_None,       // painsound
-		S_NULL,         // meleestate
-		S_NULL,         // missilestate
-		S_NULL,         // deathstate
-		S_NULL,         // xdeathstate
-		sfx_None,       // deathsound
-		8,              // speed
-		16*FRACUNIT,     // radius
-		64*FRACUNIT,    // height
-		0,              // display offset
-		16,             // mass
-		0,              // damage
-		sfx_None,       // activesound
-		MF_NOBLOCKMAP|MF_NOCLIP|MF_SCENERY, // flags
-		S_NULL          // raisestate
-	},
 
 	{           // MT_ALARM
 		901,            // doomednum
diff --git a/src/info.h b/src/info.h
index 2d368094d66eabfc7d77a5b22c9812386aa27e59..35a3f5f151ea7cc744d89efb66b8788c552c7953 100644
--- a/src/info.h
+++ b/src/info.h
@@ -390,9 +390,7 @@ typedef enum sprite
 
 	// Techno Hill Scenery
 	SPR_THZP, // THZ1 Flower
-	SPR_THZT, // THZ Tree
 	SPR_FWR5, // Another flower
-	SPR_FWR6,
 	SPR_ALRM, // THZ2 Alarm
 
 	// Deep Sea Scenery
@@ -2021,23 +2019,6 @@ typedef enum state
 	// THZ Plant
 	S_THZFLOWERA,
 	S_THZFLOWERB,
-	S_YELLOWSPINFLOWER,
-	
-	// THZ Tree
-	S_THZTREE,
-	S_THZTREEBRANCH1,
-	S_THZTREEBRANCH2,
-	S_THZTREEBRANCH3,
-	S_THZTREEBRANCH4,
-	S_THZTREEBRANCH5,
-	S_THZTREEBRANCH6,
-	S_THZTREEBRANCH7,
-	S_THZTREEBRANCH8,
-	S_THZTREEBRANCH9,
-	S_THZTREEBRANCH10,
-	S_THZTREEBRANCH11,
-	S_THZTREEBRANCH12,
-	S_THZTREEBRANCH13,
 
 	// THZ Alarm
 	S_ALARM1,
@@ -3487,10 +3468,7 @@ typedef enum mobj_type
 
 	// Techno Hill Scenery
 	MT_THZFLOWER1,
-	MT_THZTREE,
-	MT_THZTREEBRANCH,
 	MT_THZFLOWER2,
-	MT_YELLOWSPINFLOWER,
 	MT_ALARM,
 
 	// Deep Sea Scenery
diff --git a/src/p_mobj.c b/src/p_mobj.c
index cfc43cda266bd28bda286db83659242bad962f34..8695d57e4098898e48a24530f718818e861b2bb8 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -8433,17 +8433,6 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 		case MT_BLUETEAMRING:
 			mobj->color = skincolor_blueteam;
 			break;
-		case MT_THZTREE:
-			{
-				mobj_t *branch1 = P_SpawnMobj(mobj->x+FRACUNIT, mobj->y, mobj->z, MT_THZTREEBRANCH);
-				mobj_t *branch2 = P_SpawnMobj(mobj->x, mobj->y+FRACUNIT, mobj->z, MT_THZTREEBRANCH);
-				mobj_t *branch3 = P_SpawnMobj(mobj->x-FRACUNIT, mobj->y, mobj->z, MT_THZTREEBRANCH);
-				
-				branch1->angle = mobj->angle + ANGLE_22h;
-				branch2->angle = mobj->angle + ANGLE_157h;
-				branch3->angle = mobj->angle + ANGLE_270;
-			}
-			break;
 		case MT_RING:
 		case MT_COIN:
 		case MT_BLUEBALL: