diff --git a/src/debug.h b/src/debug.h
index 997f156..aa3022b 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -577,7 +577,7 @@ namespace Debug {
             FILE *f = fopen(buf, "wb");
 
             if (level->version == TR::VER_TR1_PSX) {
-                int dataSize = level->soundSize[index] / 16 * 28 * 2 * 4;
+                uint32 dataSize = level->soundSize[index] / 16 * 28 * 2 * 4;
 
                 struct Header {
                     uint32 RIFF;
@@ -596,10 +596,10 @@ namespace Debug {
                     uint32 data;
                     uint32 dataSize;
                 } header = {
-                        FOURCC("RIFF"), (uint32) sizeof(Header) - 8 + dataSize,
+                        FOURCC("RIFF"), sizeof(Header) - 8 + dataSize,
                         FOURCC("WAVE"), FOURCC("fmt "), 16,
                         { 1, 1, 44100, 44100 * 16 / 8, 0, 16 },
-                        FOURCC("data"), (uint32) dataSize
+                        FOURCC("data"), dataSize
                     };
 
                 fwrite(&header, sizeof(header), 1, f);
@@ -686,7 +686,7 @@ namespace Debug {
             
             TR::Level::FloorInfo info;
             controller->getFloorInfo(controller->getRoomIndex(), controller->pos, info);
-            sprintf(buf, "floor = %d, roomBelow = %d, roomAbove = %d, height = %d", info.floorIndex, info.roomBelow, info.roomAbove, info.floor - info.ceiling);
+            sprintf(buf, "floor = %d, roomBelow = %d, roomAbove = %d, height = %d", info.floorIndex, info.roomBelow, info.roomAbove, int(info.floor - info.ceiling));
             Debug::Draw::text(vec2(16, y += 16), vec4(1.0f), buf);
 
             y += 16;
diff --git a/src/lara.h b/src/lara.h
index 3ba2eb8..557e966 100644
--- a/src/lara.h
+++ b/src/lara.h
@@ -2124,7 +2124,7 @@ struct Lara : Character {
             float ceiling = c.info[Collision::FRONT].ceiling;
             float hands   = bounds.min.y;
 
-            if (abs(floor - hands) < 64 && floor != ceiling) {
+            if (fabsf(floor - hands) < 64 && floor != ceiling) {
                 alignToWall(-LARA_RADIUS);
                 pos.y = float(floor + LARA_HANG_OFFSET);
                 stand = STAND_HANG;
@@ -2804,7 +2804,7 @@ struct Lara : Character {
             } else {
             // fast distance check for object
                 if (e.type != TR::Entity::HAMMER_HANDLE && e.type != TR::Entity::HAMMER_BLOCK && e.type != TR::Entity::SCION_HOLDER)
-                    if (abs(pos.x - controller->pos.x) > 1024 || abs(pos.z - controller->pos.z) > 1024 || abs(pos.y - controller->pos.y) > 2048) continue;
+                    if (fabsf(pos.x - controller->pos.x) > 1024 || fabsf(pos.z - controller->pos.z) > 1024 || fabsf(pos.y - controller->pos.y) > 2048) continue;
             }
 
             vec3 dir = pos - vec3(0.0f, 128.0f, 0.0f) - controller->pos;
diff --git a/src/platform/web/audio/dummy b/src/platform/web/audio/dummy
deleted file mode 100644
index e69de29..0000000
diff --git a/src/platform/web/level/dummy b/src/platform/web/level/dummy
deleted file mode 100644
index e69de29..0000000
diff --git a/src/trigger.h b/src/trigger.h
index b04793b..96f9d32 100644
--- a/src/trigger.h
+++ b/src/trigger.h
@@ -621,7 +621,7 @@ struct TrapFloor : Controller {
     virtual bool activate() {
         if (state != STATE_STATIC) return false;
         vec3 &p = ((Controller*)level->laraController)->pos;
-        if (abs(p.y - (pos.y - 512.0f)) <= 8 && Controller::activate()) {
+        if (fabsf(p.y - (pos.y - 512.0f)) <= 8 && Controller::activate()) {
             animation.setState(STATE_SHAKE);
             return true;
         }
diff --git a/src/utils.h b/src/utils.h
index 66da320..6ed3b5a 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -53,7 +53,7 @@ typedef unsigned char   uint8;
 typedef unsigned short  uint16;
 typedef unsigned int    uint32;
 
-#define FOURCC(str)     (((uint8*)(str))[0] | (((uint8*)(str))[1] << 8) | (((uint8*)(str))[2] << 16) | (((uint8*)(str))[3] << 24) )
+#define FOURCC(str)     uint32(((uint8*)(str))[0] | (((uint8*)(str))[1] << 8) | (((uint8*)(str))[2] << 16) | (((uint8*)(str))[3] << 24) )
 
 #define COUNT(arr)      (sizeof(arr) / sizeof(arr[0]))
 
@@ -1031,6 +1031,7 @@ struct Stream {
                 LOG("error loading file \"%s\"\n", name);
                 if (callback) {
                     callback(NULL, userData);
+                    delete this;
                     return;
                 } else {
                     ASSERT(false);