diff --git a/src/coders/xml.cpp b/src/coders/xml.cpp
index b2cb8809..84cc9f37 100644
--- a/src/coders/xml.cpp
+++ b/src/coders/xml.cpp
@@ -92,11 +92,11 @@ glm::vec4 Attribute::asColor() const {
             throw std::runtime_error("#RRGGBB or #RRGGBBAA required");
         }
         int a = 255;
-        int r = (hexchar2int(text[1]) << 4) | hexchar2int(text[2]);
-        int g = (hexchar2int(text[3]) << 4) | hexchar2int(text[4]);
-        int b = (hexchar2int(text[5]) << 4) | hexchar2int(text[6]);
+        int r = (std::max(0, hexchar2int(text[1])) << 4) | hexchar2int(text[2]);
+        int g = (std::max(0, hexchar2int(text[3])) << 4) | hexchar2int(text[4]);
+        int b = (std::max(0, hexchar2int(text[5])) << 4) | hexchar2int(text[6]);
         if (text.length() == 9) {
-            a = (hexchar2int(text[7]) << 4) | hexchar2int(text[8]);
+            a = (std::max(0, hexchar2int(text[7])) << 4) | hexchar2int(text[8]);
         }
         return glm::vec4(r / 255.f, g / 255.f, b / 255.f, a / 255.f);
     } else {
diff --git a/src/data/StructLayout.cpp b/src/data/StructLayout.cpp
index a3e0fd23..3716bc44 100644
--- a/src/data/StructLayout.cpp
+++ b/src/data/StructLayout.cpp
@@ -95,8 +95,8 @@ static inline FieldIncapatibilityType checkIncapatibility(
 
 static inline integer_t clamp_value(integer_t value, FieldType type) {
     auto typesize = sizeof_type(type) * CHAR_BIT;
-    integer_t minval = -(1 << (typesize-1));
-    integer_t maxval = (1 << (typesize-1))-1;
+    integer_t minval = -(1LL << (typesize-1));
+    integer_t maxval = (1LL << (typesize-1))-1;
     return std::min(maxval, std::max(minval, value));
 }
 
diff --git a/src/devtools/syntax_highlighting.cpp b/src/devtools/syntax_highlighting.cpp
index f68780df..2963daf2 100644
--- a/src/devtools/syntax_highlighting.cpp
+++ b/src/devtools/syntax_highlighting.cpp
@@ -32,7 +32,6 @@ static std::unique_ptr<FontStylesScheme> build_styles(
             continue;
         }
         if (token.start.pos > offset) {
-            int n = token.start.pos - offset;
             styles.map.insert(styles.map.end(), token.start.pos - offset, 0);
         }
         offset = token.end.pos;
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index 36dbceb9..139e94ae 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -289,8 +289,6 @@ void Hud::updateWorldGenDebugVisualization() {
 
     for (int z = 0; z < height; z++) {
         for (int x = 0; x < width; x++) {
-            int cx = x + ox;
-            int cz = z + oz;
             int flippedZ = height - z - 1;
 
             int ax = x - (width - areaWidth) / 2;
diff --git a/src/frontend/screens/LevelScreen.cpp b/src/frontend/screens/LevelScreen.cpp
index 32c098c5..0c7c8397 100644
--- a/src/frontend/screens/LevelScreen.cpp
+++ b/src/frontend/screens/LevelScreen.cpp
@@ -148,7 +148,6 @@ void LevelScreen::saveWorldPreview() {
 }
 
 void LevelScreen::updateHotkeys() {
-    auto player = playerController->getPlayer();
     auto& settings = engine.getSettings();
     if (Events::jpressed(keycode::O)) {
         settings.graphics.frustumCulling.toggle();
diff --git a/src/graphics/core/Mesh.cpp b/src/graphics/core/Mesh.cpp
index e8cffe6f..808b88c4 100644
--- a/src/graphics/core/Mesh.cpp
+++ b/src/graphics/core/Mesh.cpp
@@ -1,4 +1,5 @@
 #include "Mesh.hpp"
+#include <assert.h>
 #include <GL/glew.h>
 
 int Mesh::meshesCount = 0;
@@ -9,6 +10,7 @@ inline size_t calc_vertex_size(const VertexAttribute* attrs) {
     for (int i = 0; attrs[i].size; i++) {
         vertexSize += attrs[i].size;
     }
+    assert(vertexSize != 0);
     return vertexSize;
 }
 
diff --git a/src/logic/PlayerController.cpp b/src/logic/PlayerController.cpp
index 8e787a8e..d81e2c5b 100644
--- a/src/logic/PlayerController.cpp
+++ b/src/logic/PlayerController.cpp
@@ -479,7 +479,6 @@ void PlayerController::updateEntityInteraction(
 
 void PlayerController::updateInteraction(float delta) {
     auto indices = level.content.getIndices();
-    auto chunks = player.chunks.get();
     const auto& selection = player.selection;
     
     if (interactionTimer > 0.0f) {
diff --git a/src/util/stringutil.cpp b/src/util/stringutil.cpp
index ac80d134..5242e01a 100644
--- a/src/util/stringutil.cpp
+++ b/src/util/stringutil.cpp
@@ -382,7 +382,6 @@ int util::replaceAll(
         str.replace(start_pos, from.length(), to);
         offset = start_pos + to.length();
         count++;
-        break;
     }
     return count;
 }