diff --git a/src/desktop/Window.cpp b/src/desktop/Window.cpp
index b5126b67..8f6d2cb5 100644
--- a/src/desktop/Window.cpp
+++ b/src/desktop/Window.cpp
@@ -1626,17 +1626,17 @@ PHLWINDOW CWindow::getSwallower() {
     if (!(*PSWALLOWREGEX).empty())
         std::erase_if(candidates, [&](const auto& other) { return !RE2::FullMatch(other->m_szClass, *PSWALLOWREGEX); });
 
-    if (candidates.size() <= 0)
+    if (candidates.size() == 0)
         return nullptr;
 
     if (!(*PSWALLOWEXREGEX).empty())
         std::erase_if(candidates, [&](const auto& other) { return RE2::FullMatch(other->m_szTitle, *PSWALLOWEXREGEX); });
 
-    if (candidates.size() <= 0)
+    if (candidates.size() == 0)
         return nullptr;
 
     if (candidates.size() == 1)
-        return candidates.at(0);
+        return candidates[0];
 
     // walk up the focus history and find the last focused
     for (auto const& w : g_pCompositor->m_vWindowFocusHistory) {
@@ -1648,7 +1648,7 @@ PHLWINDOW CWindow::getSwallower() {
     }
 
     // if none are found (??) then just return the first one
-    return candidates.at(0);
+    return candidates[0];
 }
 
 void CWindow::unsetWindowData(eOverridePriority priority) {
diff --git a/src/devices/IKeyboard.cpp b/src/devices/IKeyboard.cpp
index 307d840b..89891ebd 100644
--- a/src/devices/IKeyboard.cpp
+++ b/src/devices/IKeyboard.cpp
@@ -126,14 +126,14 @@ void IKeyboard::setKeymap(const SStringRuleNames& rules) {
         updateModifiers(0, 0, modifiersState.locked, modifiersState.group);
     }
 
-    for (size_t i = 0; i < LEDNAMES.size(); ++i) {
-        ledIndexes.at(i) = xkb_map_led_get_index(xkbKeymap, LEDNAMES.at(i));
-        Debug::log(LOG, "xkb: LED index {} (name {}) got index {}", i, LEDNAMES.at(i), ledIndexes.at(i));
+    for (size_t i = 0; i < std::min(LEDNAMES.size(), ledIndexes.size()); ++i) {
+        ledIndexes[i] = xkb_map_led_get_index(xkbKeymap, LEDNAMES[i]);
+        Debug::log(LOG, "xkb: LED index {} (name {}) got index {}", i, LEDNAMES[i], ledIndexes[i]);
     }
 
-    for (size_t i = 0; i < MODNAMES.size(); ++i) {
-        modIndexes.at(i) = xkb_map_mod_get_index(xkbKeymap, MODNAMES.at(i));
-        Debug::log(LOG, "xkb: Mod index {} (name {}) got index {}", i, MODNAMES.at(i), modIndexes.at(i));
+    for (size_t i = 0; i < std::min(MODNAMES.size(), modIndexes.size()); ++i) {
+        modIndexes[i] = xkb_map_mod_get_index(xkbKeymap, MODNAMES[i]);
+        Debug::log(LOG, "xkb: Mod index {} (name {}) got index {}", i, MODNAMES[i], modIndexes[i]);
     }
 
     updateKeymapFD();
@@ -289,8 +289,8 @@ std::optional<uint32_t> IKeyboard::getLEDs() {
         return {};
 
     uint32_t leds = 0;
-    for (uint32_t i = 0; i < LED_COUNT; ++i) {
-        if (xkb_state_led_index_is_active(xkbState, ledIndexes.at(i)))
+    for (uint32_t i = 0; i < std::min((size_t)LED_COUNT, ledIndexes.size()); ++i) {
+        if (xkb_state_led_index_is_active(xkbState, ledIndexes[i]))
             leds |= (1 << i);
     }
 
@@ -323,10 +323,10 @@ uint32_t IKeyboard::getModifiers() {
     uint32_t modMask = modifiersState.depressed | modifiersState.latched;
     uint32_t mods    = 0;
     for (size_t i = 0; i < modIndexes.size(); ++i) {
-        if (modIndexes.at(i) == XKB_MOD_INVALID)
+        if (modIndexes[i] == XKB_MOD_INVALID)
             continue;
 
-        if (!(modMask & (1 << modIndexes.at(i))))
+        if (!(modMask & (1 << modIndexes[i])))
             continue;
 
         mods |= (1 << i);
diff --git a/src/layout/MasterLayout.cpp b/src/layout/MasterLayout.cpp
index 4773147f..dc301bfa 100644
--- a/src/layout/MasterLayout.cpp
+++ b/src/layout/MasterLayout.cpp
@@ -1357,7 +1357,7 @@ void CHyprMasterLayout::runOrientationCycle(SLayoutMessageHeader& header, CVarLi
 
     int        nextOrPrev = 0;
     for (size_t i = 0; i < cycle.size(); ++i) {
-        if (PWORKSPACEDATA->orientation == cycle.at(i)) {
+        if (PWORKSPACEDATA->orientation == cycle[i]) {
             nextOrPrev = i + direction;
             break;
         }
diff --git a/src/managers/PointerManager.cpp b/src/managers/PointerManager.cpp
index 48ef5e16..1c8e9976 100644
--- a/src/managers/PointerManager.cpp
+++ b/src/managers/PointerManager.cpp
@@ -475,7 +475,7 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
 
                 if (flipRB) {
                     for (size_t i = 0; i < shmBuffer.size(); i += 4) {
-                        std::swap(shmBuffer.at(i), shmBuffer.at(i + 2)); // little-endian!!!!!!
+                        std::swap(shmBuffer[i], shmBuffer[i + 2]); // little-endian!!!!!!
                     }
                 }
             } else {
diff --git a/src/managers/XCursorManager.cpp b/src/managers/XCursorManager.cpp
index 3473df44..3f554804 100644
--- a/src/managers/XCursorManager.cpp
+++ b/src/managers/XCursorManager.cpp
@@ -482,7 +482,7 @@ std::vector<SP<SXCursors>> CXCursorManager::loadStandardCursors(std::string cons
 
     // load the default xcursor shapes that exist in the theme
     for (size_t i = 0; i < XCURSOR_STANDARD_NAMES.size(); ++i) {
-        std::string shape{XCURSOR_STANDARD_NAMES.at(i)};
+        std::string shape{XCURSOR_STANDARD_NAMES[i]};
         auto        xImages = XcursorShapeLoadImages(i << 1 /* wtf xcursor? */, name.c_str(), size);
 
         if (!xImages) {
diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 75a5eadb..3b641c36 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -402,14 +402,14 @@ std::optional<std::vector<uint64_t>> CHyprOpenGLImpl::getModsForFormat(EGLint fo
     result.reserve(mods.size());
 
     bool linearIsExternal = false;
-    for (size_t i = 0; i < mods.size(); ++i) {
-        if (external.at(i)) {
-            if (mods.at(i) == DRM_FORMAT_MOD_LINEAR)
+    for (size_t i = 0; i < std::min(mods.size(), external.size()); ++i) {
+        if (external[i]) {
+            if (mods[i] == DRM_FORMAT_MOD_LINEAR)
                 linearIsExternal = true;
             continue;
         }
 
-        result.push_back(mods.at(i));
+        result.push_back(mods[i]);
     }
 
     // if the driver doesn't mark linear as external, add it. It's allowed unless the driver says otherwise. (e.g. nvidia)
diff --git a/src/xwayland/XDataSource.cpp b/src/xwayland/XDataSource.cpp
index e6282dcb..9384db69 100644
--- a/src/xwayland/XDataSource.cpp
+++ b/src/xwayland/XDataSource.cpp
@@ -57,8 +57,8 @@ void CXDataSource::send(const std::string& mime, CFileDescriptor fd) {
         mimeAtom = HYPRATOMS["UTF8_STRING"];
     else {
         for (size_t i = 0; i < mimeTypes.size(); ++i) {
-            if (mimeTypes.at(i) == mime) {
-                mimeAtom = mimeAtoms.at(i);
+            if (mimeTypes[i] == mime) {
+                mimeAtom = mimeAtoms[i];
                 break;
             }
         }
diff --git a/src/xwayland/XWM.cpp b/src/xwayland/XWM.cpp
index 81900c7b..68552dd6 100644
--- a/src/xwayland/XWM.cpp
+++ b/src/xwayland/XWM.cpp
@@ -1051,13 +1051,13 @@ void CXWM::readWindowData(SP<CXWaylandSurface> surf) {
     };
 
     for (size_t i = 0; i < interestingProps.size(); i++) {
-        xcb_get_property_cookie_t cookie = xcb_get_property(connection, 0, surf->xID, interestingProps.at(i), XCB_ATOM_ANY, 0, 2048);
+        xcb_get_property_cookie_t cookie = xcb_get_property(connection, 0, surf->xID, interestingProps[i], XCB_ATOM_ANY, 0, 2048);
         xcb_get_property_reply_t* reply  = xcb_get_property_reply(connection, cookie, nullptr);
         if (!reply) {
             Debug::log(ERR, "[xwm] Failed to get window property");
             continue;
         }
-        readProp(surf, interestingProps.at(i), reply);
+        readProp(surf, interestingProps[i], reply);
         free(reply);
     }
 }