diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0ca8eb59..d69f56955 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,7 +43,7 @@
 - Bugfix: Adopt popup windows in order to force floating behavior on some window managers. (#3836)
 - Bugfix: Fix split focusing being broken in certain circumstances when the "Show input when it's empty" setting was disabled. (#3838, #3860)
 - Bugfix: Always refresh tab when a contained split's channel is set. (#3849)
-- Dev: Remove official support for QMake. (#3839)
+- Dev: Remove official support for QMake. (#3839, #3883)
 - Dev: Rewrite LimitedQueue (#3798)
 - Dev: Overhaul highlight system by moving all checks into a Controller allowing for easier tests. (#3399, #3801, #3835)
 - Dev: Use Game Name returned by Get Streams instead of querying it from the Get Games API. (#3662)
diff --git a/lib/boost.pri b/lib/boost.pri
deleted file mode 100644
index bea78de40..000000000
--- a/lib/boost.pri
+++ /dev/null
@@ -1,25 +0,0 @@
-# boost
-# Exposed build flags:
-#  - BOOST_DIRECTORY (C:\local\boost\ by default) (Windows only)
-
-pajlada {
-    BOOST_DIRECTORY = C:\dev\projects\boost_1_66_0\
-}
-
-win32 {
-    isEmpty(BOOST_DIRECTORY) {
-        message(Using default boost directory C:\\local\\boost\\)
-        BOOST_DIRECTORY = C:\local\boost\
-    }
-
-    INCLUDEPATH += $$BOOST_DIRECTORY
-
-    isEmpty(BOOST_LIB_SUFFIX) {
-        message(Using default boost lib directory suffix lib)
-        BOOST_LIB_SUFFIX = lib
-    }
-
-    LIBS += -L$$BOOST_DIRECTORY\\$$BOOST_LIB_SUFFIX
-} else {
-    LIBS += -lboost_system -lboost_filesystem
-}
diff --git a/lib/libcommuni.pri b/lib/libcommuni.pri
deleted file mode 100644
index 8402eb747..000000000
--- a/lib/libcommuni.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-DEFINES += IRC_NAMESPACE=Communi
-
-include(../lib/libcommuni/src/core/core.pri)
-include(../lib/libcommuni/src/model/model.pri)
-include(../lib/libcommuni/src/util/util.pri)
diff --git a/lib/lrucache.pri b/lib/lrucache.pri
deleted file mode 100644
index 1d5b67628..000000000
--- a/lib/lrucache.pri
+++ /dev/null
@@ -1 +0,0 @@
-INCLUDEPATH += $$PWD/lrucache/
diff --git a/lib/magic_enum.pri b/lib/magic_enum.pri
deleted file mode 100644
index 15f1f21c2..000000000
--- a/lib/magic_enum.pri
+++ /dev/null
@@ -1 +0,0 @@
-INCLUDEPATH += $$PWD/magic_enum/include/
diff --git a/lib/openssl.pri b/lib/openssl.pri
deleted file mode 100644
index a0e664b32..000000000
--- a/lib/openssl.pri
+++ /dev/null
@@ -1,17 +0,0 @@
-win32 {
-    isEmpty(OPENSSL_DIRECTORY) {
-        message(Using default openssl directory C:\\local\\openssl)
-        OPENSSL_DIRECTORY = C:\local\openssl
-    }
-
-    INCLUDEPATH += $$OPENSSL_DIRECTORY\\include
-
-    LIBS += -L$$OPENSSL_DIRECTORY\lib
-
-    LIBS += -llibssl
-    LIBS += -llibcrypto
-} else {
-    PKGCONFIG += openssl
-
-    LIBS += -lssl -lcrypto
-}
diff --git a/lib/qtkeychain.pri b/lib/qtkeychain.pri
deleted file mode 100644
index 0cda579cb..000000000
--- a/lib/qtkeychain.pri
+++ /dev/null
@@ -1,9 +0,0 @@
-freebsd {
-    INCLUDEPATH += /usr/local/include/qt5keychain
-    LIBS += -lqt5keychain
-} else {
-    unix:!android:!macx:!ios {
-        DEFINES += KEYCHAIN_DBUS
-    }
-   include(qtkeychain/qt5keychain.pri)
-}
diff --git a/lib/rapidjson.pri b/lib/rapidjson.pri
deleted file mode 100644
index 131f0401d..000000000
--- a/lib/rapidjson.pri
+++ /dev/null
@@ -1,15 +0,0 @@
-# rapidjson
-# Chatterino2 is tested with RapidJSON v1.1.0
-#  - RAPIDJSON_PREFIX ($$PWD by default)
-#  - RAPIDJSON_SYSTEM (1 = true) (Linux only, uses pkg-config)
-
-!defined(RAPIDJSON_PREFIX) {
-    RAPIDJSON_PREFIX = $$PWD
-}
-
-linux:equals(RAPIDJSON_SYSTEM, "1") {
-    message("Building with system RapidJSON")
-    PKGCONFIG += RapidJSON
-} else {
-    INCLUDEPATH += $$RAPIDJSON_PREFIX/rapidjson/include/
-}
diff --git a/lib/serialize.pri b/lib/serialize.pri
deleted file mode 100644
index fb05b8a5c..000000000
--- a/lib/serialize.pri
+++ /dev/null
@@ -1,2 +0,0 @@
-# serialize
-INCLUDEPATH += $$PWD/serialize/include/
diff --git a/lib/settings.pri b/lib/settings.pri
deleted file mode 100644
index 5ac990748..000000000
--- a/lib/settings.pri
+++ /dev/null
@@ -1,9 +0,0 @@
-# settings
-DEFINES += PAJLADA_SETTINGS_BOOST_FILESYSTEM
-
-SOURCES += \
-           $$PWD/settings/src/settings/settingdata.cpp \
-           $$PWD/settings/src/settings/settingmanager.cpp \
-           $$PWD/settings/src/settings/detail/realpath.cpp
-
-INCLUDEPATH += $$PWD/settings/include/
diff --git a/lib/signals.pri b/lib/signals.pri
deleted file mode 100644
index 5b15016fa..000000000
--- a/lib/signals.pri
+++ /dev/null
@@ -1,2 +0,0 @@
-# signals
-INCLUDEPATH += $$PWD/signals/include/
diff --git a/lib/warnings.pri b/lib/warnings.pri
deleted file mode 100644
index d89075720..000000000
--- a/lib/warnings.pri
+++ /dev/null
@@ -1,43 +0,0 @@
-# Define warning flags for Chatterino
-win32-msvc* {
-    QMAKE_CXXFLAGS_WARN_ON = /W4
-    # 4714 - function marked as __forceinline not inlined
-    # 4996 - occurs when the compiler encounters a function or variable that is marked as deprecated.
-    #        These functions may have a different preferred name, may be insecure or have
-    #        a more secure variant, or may be obsolete.
-    # 4505 - unreferenced local version has been removed
-    # 4127 - conditional expression is constant
-    # 4503 - decorated name length exceeded, name was truncated
-    # 4100 - unreferences formal parameter
-    # 4305 - possible truncation of data
-    # 4267 - possible loss of data in return
-    QMAKE_CXXFLAGS_WARN_ON += /wd4714
-    QMAKE_CXXFLAGS_WARN_ON += /wd4996
-    QMAKE_CXXFLAGS_WARN_ON += /wd4505
-    QMAKE_CXXFLAGS_WARN_ON += /wd4127
-    QMAKE_CXXFLAGS_WARN_ON += /wd4503
-    QMAKE_CXXFLAGS_WARN_ON += /wd4100
-    QMAKE_CXXFLAGS_WARN_ON += /wd4305
-    QMAKE_CXXFLAGS_WARN_ON += /wd4267
-
-} else {
-    QMAKE_CXXFLAGS_WARN_ON = -Wall
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-function
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-switch
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-deprecated-declarations
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-sign-compare
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-variable
-
-    # Disabling strict-aliasing warnings for now, although we probably want to re-enable this in the future
-    QMAKE_CXXFLAGS_WARN_ON += -Wno-strict-aliasing
-
-    QMAKE_CXXFLAGS_WARN_ON += -Werror=return-type
-
-    CXX_VERSION = $$system($$QMAKE_CXX --version)
-    contains(CXX_VERSION, "clang") {
-        QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-local-typedef
-        QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-private-field
-    } else {
-        QMAKE_CXXFLAGS_WARN_ON += -Wno-class-memaccess
-    }
-}
diff --git a/lib/websocketpp.pri b/lib/websocketpp.pri
deleted file mode 100644
index 2ae1289b4..000000000
--- a/lib/websocketpp.pri
+++ /dev/null
@@ -1,20 +0,0 @@
-# websocketpp
-# Chatterino2 is tested with websocketpp 0.8.1
-# Exposed build flags:
-#  - WEBSOCKETPP_PREFIX ($$PWD by default)
-#  - WEBSOCKETPP_SYSTEM (1 = true) (unix only)
-
-!defined(WEBSOCKETPP_PREFIX) {
-    WEBSOCKETPP_PREFIX = $$PWD
-}
-
-unix {
-    equals(WEBSOCKETPP_SYSTEM, "1") {
-        message("Building with system websocketpp")
-    } else {
-        message("Building with websocketpp submodule (Prefix: $$WEBSOCKETPP_PREFIX)")
-        INCLUDEPATH += $$WEBSOCKETPP_PREFIX/websocketpp/
-    }
-} else {
-    INCLUDEPATH += $$WEBSOCKETPP_PREFIX/websocketpp
-}
diff --git a/lib/winsdk.pri b/lib/winsdk.pri
deleted file mode 100644
index 6961cceff..000000000
--- a/lib/winsdk.pri
+++ /dev/null
@@ -1,24 +0,0 @@
-win32 {
-    LIBS += -luser32
-}
-
-# Optional dependency on Windows SDK 7
-!contains(QMAKE_TARGET.arch, x86_64) {
-    win32:exists(C:\Program Files\Microsoft SDKs\Windows\v7.1\Include\Windows.h) {
-        LIBS += -L"C:\Program Files\Microsoft SDKs\Windows\v7.1\Lib" -ldwmapi
-
-        DEFINES += "USEWINSDK"
-        message(Using Windows SDK 7)
-    }
-}
-
-# Optional dependency on Windows SDK 10
-contains(QMAKE_TARGET.arch, x86_64) {
-    WIN_SDK_VERSION = $$(WindowsSDKVersion)
-    !isEmpty(WIN_SDK_VERSION) {
-        !equals(WIN_SDK_VERSION, "\\") {
-            DEFINES += "USEWINSDK"
-            message(Using Windows SDK 10)
-        }
-    }
-}
diff --git a/lib/wintoast.pri b/lib/wintoast.pri
deleted file mode 100644
index b8a5ee85c..000000000
--- a/lib/wintoast.pri
+++ /dev/null
@@ -1,5 +0,0 @@
-win32 {
-    INCLUDEPATH += $$PWD/../lib/wintoast/src/
-    SOURCES += \
-       $$PWD/../lib/WinToast/src/wintoastlib.cpp
-}
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d622372e1..5b76d4b57 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -729,3 +729,55 @@ if (LIBRT)
         )
 endif ()
 
+
+# Configure compiler warnings
+if (MSVC)
+    # 4714 - function marked as __forceinline not inlined
+    # 4996 - occurs when the compiler encounters a function or variable that is marked as deprecated.
+    #        These functions may have a different preferred name, may be insecure or have
+    #        a more secure variant, or may be obsolete.
+    # 4505 - unreferenced local version has been removed
+    # 4127 - conditional expression is constant
+    # 4503 - decorated name length exceeded, name was truncated
+    # 4100 - unreferences formal parameter
+    # 4305 - possible truncation of data
+    # 4267 - possible loss of data in return
+    target_compile_options(${LIBRARY_PROJECT} PUBLIC
+        /W4
+        # Disable the following warnings
+        /wd4714
+        /wd4996
+        /wd4505
+        /wd4127
+        /wd4503
+        /wd4100
+        /wd4305
+        /wd4267
+    )
+else ()
+    target_compile_options(${LIBRARY_PROJECT} PUBLIC
+        -Wall
+        # Disable the following warnings
+        -Wno-unused-function
+        -Wno-switch
+        -Wno-deprecated-declarations
+        -Wno-sign-compare
+        -Wno-unused-variable
+
+        # Disabling strict-aliasing warnings for now, although we probably want to re-enable this in the future
+        -Wno-strict-aliasing
+
+        -Werror=return-type
+    )
+
+    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+        target_compile_options(${LIBRARY_PROJECT} PUBLIC
+            -Wno-unused-local-typedef
+            -Wno-unused-private-field
+        )
+    else ()
+        target_compile_options(${LIBRARY_PROJECT} PUBLIC
+            -Wno-class-memaccess
+        )
+    endif()
+endif ()