diff --git a/source/games/exhumed/src/aistuff.h b/source/games/exhumed/src/aistuff.h
index 9bf25a247..f8f521c6a 100644
--- a/source/games/exhumed/src/aistuff.h
+++ b/source/games/exhumed/src/aistuff.h
@@ -730,7 +730,7 @@ struct Snake
     short sC;
     short nRun;
 
-    char c[8];
+    uint8_t c[8];
     short sE;
     short nSnakePlayer;
 };
diff --git a/source/games/exhumed/src/engine.h b/source/games/exhumed/src/engine.h
index 4b865cfa3..0e6e76450 100644
--- a/source/games/exhumed/src/engine.h
+++ b/source/games/exhumed/src/engine.h
@@ -110,7 +110,6 @@ void FixPalette();
 int HavePLURemap();
 uint8_t RemapPLU(uint8_t pal);
 
-//extern unsigned char kenpal[];
 extern short overscanindex;
 
 extern char *origpalookup[];
@@ -129,7 +128,7 @@ void DrawMap(double const smoothratio);
 
 void InitRandom();
 int RandomBit();
-char RandomByte();
+uint8_t RandomByte();
 uint16_t RandomWord();
 int RandomLong();
 int RandomSize(int nSize);
diff --git a/source/games/exhumed/src/light.cpp b/source/games/exhumed/src/light.cpp
index 84db404ec..2456e0f1c 100644
--- a/source/games/exhumed/src/light.cpp
+++ b/source/games/exhumed/src/light.cpp
@@ -46,9 +46,7 @@ const char *GradList[kMaxGrads] = {
 int rtint = 0;
 int gtint = 0;
 int btint = 0;
-//char *origpalookup[kMaxPalookups];
-//unsigned char curpal[768];
-//unsigned char kenpal[768];
+
 palette_t *fadedestpal;
 palette_t *fadecurpal;
 short nPalDelay;
diff --git a/source/games/exhumed/src/object.cpp b/source/games/exhumed/src/object.cpp
index 0a1653f2e..e4d29a135 100644
--- a/source/games/exhumed/src/object.cpp
+++ b/source/games/exhumed/src/object.cpp
@@ -50,7 +50,7 @@ struct TrailPoint
 {
     int x;
     int y;
-    char nTrailPointVal;
+    uint8_t nTrailPointVal;
     short nTrailPointPrev;
     short nTrailPointNext;
 
@@ -59,8 +59,8 @@ struct TrailPoint
 struct Bob
 {
     int nSector;
-    char field_2;
-    char field_3;
+    uint8_t field_2;
+    uint8_t field_3;
     int z;
     short sBobID;
 
diff --git a/source/games/exhumed/src/random.cpp b/source/games/exhumed/src/random.cpp
index f709aeef7..d0fbb3991 100644
--- a/source/games/exhumed/src/random.cpp
+++ b/source/games/exhumed/src/random.cpp
@@ -52,9 +52,9 @@ int RandomBit()
     return (((randA == 0) & randC) | (randB & randA)) & 1;
 }
 
-char RandomByte()
+uint8_t RandomByte()
 {
-    char randByte = RandomBit() << 7;
+    uint8_t randByte = RandomBit() << 7;
     randByte |= RandomBit() << 6;
     randByte |= RandomBit() << 5;
     randByte |= RandomBit() << 4;
@@ -67,7 +67,7 @@ char RandomByte()
 
 uint16_t RandomWord()
 {
-    short randWord = RandomByte() << 8;
+    uint16_t randWord = RandomByte() << 8;
     randWord |= RandomByte();
     return randWord;
 }