diff --git a/.github/build.sh b/.github/build.sh
index d0643f2ec..494fbb0de 100755
--- a/.github/build.sh
+++ b/.github/build.sh
@@ -95,7 +95,7 @@ if [[ -z ${BSH_NO_PACKAGES-} ]]; then
 		if [[ $BSH_STATIC_DYNAMIC == static ]]; then
 			sudo apt install libc6-dev
 		else
-			sudo apt install libluajit-5.1-dev libcurl4-openssl-dev libfftw3-dev zlib1g-dev libsdl2-dev libbz2-dev libjsoncpp-dev libpng-dev
+			sudo apt install libluajit-5.1-dev libcurl4-openssl-dev libfftw3-dev libsdl2-dev libbz2-dev libjsoncpp-dev libpng-dev
 		fi
 		if [[ $PACKAGE_MODE == appimage ]]; then
 			sudo apt install libfuse2
@@ -107,7 +107,7 @@ if [[ -z ${BSH_NO_PACKAGES-} ]]; then
 	darwin)
 		brew install binutils # pkg-config
 		if [[ $BSH_STATIC_DYNAMIC != static ]]; then
-			brew install luajit fftw zlib sdl2 bzip2 jsoncpp # curl
+			brew install luajit fftw sdl2 bzip2 jsoncpp # curl
 		fi
 		if [[ $BSH_LINT == yes ]]; then
 			# gg brew :(
diff --git a/README.md b/README.md
index 38515a61a..2e6908bed 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,6 @@ Libraries and other assets used
 * [Mallangche](https://github.com/JammPark/Mallangche)
 * [mbedtls](https://www.trustedfirmware.org/projects/mbed-tls/)
 * [SDL](https://libsdl.org/)
-* [zlib](https://www.zlib.net/)
 
 Instructions
 ===========================================================================
diff --git a/meson.build b/meson.build
index 113730103..327c42578 100644
--- a/meson.build
+++ b/meson.build
@@ -225,7 +225,6 @@ if host_platform == 'emscripten'
 		'-s', 'USE_BZIP2=1',
 		'-s', 'USE_LIBPNG',
 		'-s', 'USE_PTHREADS',
-#		'-s', 'USE_ZLIB=1',
 		'-s', 'DISABLE_EXCEPTION_CATCHING=0',
 		'-gsource-map',
 	]