diff --git a/build_libzip.sh b/build_libzip.sh
index 7fa8dbc..f830e1a 100755
--- a/build_libzip.sh
+++ b/build_libzip.sh
@@ -12,7 +12,7 @@ export CFLAGS="$CFLAGS --use-port=zlib"
 export LDFLAGS="$LDFLAGS -L${INSTALL_DIR}/lib --use-port=zlib"
 
 emcmake cmake \
-    -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR"
+    -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR" -DBUILD_SHARED_LIBS=OFF -DBUILD_TOOLS=OFF -DBUILD_REGRESS=OFF -DBUILD_OSSFUZZ=OFF -DBUILD_EXAMPLES=OFF -DBUILD_DOC=OFF
 
 emmake make
 emmake make install
diff --git a/build_luanti.sh b/build_luanti.sh
index 38bb0a7..afd0ec4 100755
--- a/build_luanti.sh
+++ b/build_luanti.sh
@@ -13,12 +13,12 @@ pushd luanti
 
 export EMSDK_PORTS="--use-port=zlib --use-port=libjpeg --use-port=libpng --use-port=freetype --use-port=ogg --use-port=vorbis --use-port=sqlite3"
 export EMSDK_CANVAS="-sPROXY_TO_PTHREAD=1 -sOFFSCREENCANVAS_SUPPORT=1 -sJSPI"
-export EMSDK_MODULE="-sINCOMING_MODULE_JS_API=mainScriptUrlOrBlob,canvas,monitorRunDependencies,preRun,postRun,print,printErr,setStatus,onFullScreen"
+export EMSDK_MODULE="-sINCOMING_MODULE_JS_API=canvas,print,printErr,locateFile,onAbort"
 export EMSDK_EXTRA="-sUSE_SDL=2 $EMSDK_PORTS $EMSDK_CANVAS $EMSDK_MODULE"
 export CFLAGS="$CFLAGS $EMSDK_EXTRA"
 export CXXFLAGS="$CXXFLAGS $EMSDK_EXTRA"
-export LDFLAGS="$LDFLAGS $EMSDK_EXTRA -sPTHREAD_POOL_SIZE=22 -s EXPORTED_RUNTIME_METHODS=ccall,cwrap -s INITIAL_MEMORY=2013265920 -sMIN_WEBGL_VERSION=2 -sUSE_WEBGL2 -sWASMFS=1"
-export LDFLAGS="$LDFLAGS -L$INSTALL_DIR/lib -larchive -lssl -lcrypto -lemsocket -lwebsocket.js"
+export LDFLAGS="$LDFLAGS $EMSDK_EXTRA -sPTHREAD_POOL_SIZE=22 -sEXPORTED_RUNTIME_METHODS=ccall,cwrap,FS,wasmMemory -sEXPORTED_FUNCTIONS=_main,_malloc,_free -sFORCE_FILESYSTEM -sALLOW_MEMORY_GROWTH -sINITIAL_MEMORY=268435456 -sMAXIMUM_MEMORY=2147483648 -sMIN_WEBGL_VERSION=2 -sUSE_WEBGL2 -sWASMFS=1"
+export LDFLAGS="$LDFLAGS -L$INSTALL_DIR/lib -larchive -lemsocket -lwebsocket.js"
 
 # Create a dummy .o file to use as a substitute for the OpenGLES2 / EGL libraries,
 # since Emscripten doesn't actually provide those. (the symbols are resolved through
@@ -37,6 +37,8 @@ if ! $INCREMENTAL; then
       -DRUN_IN_PLACE=TRUE \
       -DENABLE_GLES=TRUE \
       -DENABLE_UPDATE_CHECKER=0 \
+      -DENABLE_CURL=OFF \
+      -DBUILD_UNITTESTS=FALSE \
       -DFREETYPE_LIBRARY="$DUMMY_OBJECT" \
       -DPNG_LIBRARY="$DUMMY_OBJECT" \
       -DVORBISFILE_LIBRARY="$DUMMY_OBJECT" \
@@ -48,8 +50,6 @@ if ! $INCREMENTAL; then
       -DZSTD_INCLUDE_DIR="$INSTALL_DIR/include" \
       -DEGL_LIBRARY="$DUMMY_OBJECT" \
       -DEGL_INCLUDE_DIR="$DUMMY_INCLUDE_DIR" \
-      -DCURL_LIBRARY="$INSTALL_DIR/lib/libcurl.a" \
-      -DCURL_INCLUDE_DIR="$INSTALL_DIR/include" \
       -DCMAKE_INSTALL_PREFIX="$BUILD_DIR/luanti-install" \
       -DLIBZIP_LIBRARY="$INSTALL_DIR/lib/libzip.a" \
       -DLIBZIP_INCLUDE_DIR="$INSTALL_DIR/include" \
diff --git a/build_zstd.sh b/build_zstd.sh
index 2a89096..c610d87 100755
--- a/build_zstd.sh
+++ b/build_zstd.sh
@@ -14,7 +14,7 @@ export MAKEFLAGS=""
 export CFLAGS="$CFLAGS -D_POSIX_SOURCE=1"
 export CXXFLAGS="$CXXFLAGS -D_POSIX_SOURCE=1"
 emcmake cmake \
-  -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR" \
+  -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR" -DZSTD_BUILD_SHARED=OFF \
   "$SOURCES_DIR/zstd/build/cmake"
 
 emmake make