diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4303d08..b167beb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,15 +42,6 @@ jobs:
         uses: bytecodealliance/actions/wasmtime/setup@v1
         with:
           version: "18.0.2"
-      - name: Setup `wasm-tools` for tests
-        uses: bytecodealliance/actions/wasm-tools/setup@v1
-        with:
-          version: "1.201.0"
-      - name: Download command adapter for tests
-        run: curl -f -L --retry 5 -o ${{ runner.temp }}/wasi_snapshot_preview1.command.wasm https://github.com/bytecodealliance/wasmtime/releases/download/v18.0.2/wasi_snapshot_preview1.command.wasm
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
       # We can't use `--depth 1` here sadly because the GNU config
       # submodule is not pinned to a particular tag/branch. Please
       # bump depth (or even better, the submodule), in case of "error:
@@ -67,7 +58,7 @@ jobs:
         run: NINJA_FLAGS=-v make package LLVM_CMAKE_FLAGS=-DLLVM_CCACHE_BUILD=ON
         shell: bash
       - name: Run the testsuite
-        run: NINJA_FLAGS=-v make check RUNTIME=wasmtime ADAPTER=${{ runner.temp }}/wasi_snapshot_preview1.command.wasm WASM_TOOLS=wasm-tools
+        run: NINJA_FLAGS=-v make check RUNTIME=wasmtime
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
diff --git a/Makefile b/Makefile
index 9c7acff..e980abc 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ default: build
 	@echo "Use -fdebug-prefix-map=$(ROOT_DIR)=wasisdk://v$(VERSION)"
 
 check:
-	TARGETS="$(TARGETS)" tests/run.sh "$(BUILD_PREFIX)" "$(RUNTIME)" "$(ADAPTER)" "$(WASM_TOOLS)"
+	TARGETS="$(TARGETS)" tests/run.sh "$(BUILD_PREFIX)" "$(RUNTIME)"
 
 clean:
 	rm -rf build $(DESTDIR)
@@ -122,6 +122,11 @@ build/llvm.BUILT:
 		llvm-config
 	touch build/llvm.BUILT
 
+build/wasm-component-ld.BUILT: build/llvm.BUILT
+	cargo install wasm-component-ld@0.1.5 --root $(BUILD_PREFIX)
+	touch build/wasm-component-ld.BUILT
+
+
 # Flags for running `make` in wasi-libc
 # $(1): the target that's being built
 WASI_LIBC_MAKEFLAGS = \
@@ -132,7 +137,7 @@ WASI_LIBC_MAKEFLAGS = \
 	SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot \
 	TARGET_TRIPLE=$(1)
 
-build/wasi-libc.BUILT: build/compiler-rt.BUILT
+build/wasi-libc.BUILT: build/compiler-rt.BUILT build/wasm-component-ld.BUILT
 	$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasi) default libc_so
 	$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasip1) default libc_so
 	$(MAKE) $(call WASI_LIBC_MAKEFLAGS,wasm32-wasip2) WASI_SNAPSHOT=p2 default libc_so
diff --git a/src/llvm-project b/src/llvm-project
index 461274b..26a1d66 160000
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 461274b81d8641eab64d494accddc81d7db8a09e
+Subproject commit 26a1d6601d727a96f4301d0d8647b5a42760ae0c
diff --git a/tests/general/abort.c.stderr.expected b/tests/general/abort.c.stderr.expected
index c6ecf6a..94e6cd1 100644
--- a/tests/general/abort.c.stderr.expected
+++ b/tests/general/abort.c.stderr.expected
@@ -1,6 +1,6 @@
 Error: failed to run main module `abort.c.---.wasm`
 
 Caused by:
-    0: failed to invoke command default
+    0: failed to invoke
     1: error while executing at wasm backtrace:
     2: wasm trap: wasm `unreachable` instruction executed
diff --git a/tests/general/abort.c.stderr.expected.filter b/tests/general/abort.c.stderr.expected.filter
index 742503a..272cd59 100755
--- a/tests/general/abort.c.stderr.expected.filter
+++ b/tests/general/abort.c.stderr.expected.filter
@@ -3,4 +3,5 @@ set -euo pipefail
 
 cat \
     | sed -e 's/main module `abort\.c\.[^`]*\.wasm`/main module `abort.c.---.wasm`/' \
+    | sed -e 's/failed to invoke.*/failed to invoke/' \
     | sed -E '/0x[[:xdigit:]]+/d'
diff --git a/tests/general/assert-fail.c.stderr.expected b/tests/general/assert-fail.c.stderr.expected
index c179f09..1579f8c 100644
--- a/tests/general/assert-fail.c.stderr.expected
+++ b/tests/general/assert-fail.c.stderr.expected
@@ -2,6 +2,6 @@ Assertion failed: false (assert-fail.c: main: 5)
 Error: failed to run main module `assert-fail.c.---.wasm`
 
 Caused by:
-    0: failed to invoke command default
+    0: failed to invoke
     1: error while executing at wasm backtrace:
     2: wasm trap: wasm `unreachable` instruction executed
diff --git a/tests/general/assert-fail.c.stderr.expected.filter b/tests/general/assert-fail.c.stderr.expected.filter
index d2213dd..f9ffe84 100755
--- a/tests/general/assert-fail.c.stderr.expected.filter
+++ b/tests/general/assert-fail.c.stderr.expected.filter
@@ -3,4 +3,5 @@ set -euo pipefail
 
 cat \
     | sed -e 's/main module `assert-fail\.c\.[^`]*\.wasm`/main module `assert-fail.c.---.wasm`/' \
+    | sed -e 's/failed to invoke.*/failed to invoke/' \
     | sed -E '/0x[[:xdigit:]]+/d'
diff --git a/tests/general/sigabrt.c.stderr.expected b/tests/general/sigabrt.c.stderr.expected
index 72c425d..605ac5d 100644
--- a/tests/general/sigabrt.c.stderr.expected
+++ b/tests/general/sigabrt.c.stderr.expected
@@ -3,4 +3,4 @@ Program received fatal signal: Aborted
 Error: failed to run main module `sigabrt.c.---.wasm`
 
 Caused by:
-    0: failed to invoke command default
+    0: failed to invoke
diff --git a/tests/general/sigabrt.c.stderr.expected.filter b/tests/general/sigabrt.c.stderr.expected.filter
index 425b060..0f3d78f 100755
--- a/tests/general/sigabrt.c.stderr.expected.filter
+++ b/tests/general/sigabrt.c.stderr.expected.filter
@@ -3,5 +3,6 @@ set -euo pipefail
 
 cat \
     | sed -e 's/main module `sigabrt\.c\.[^`]*\.wasm`/main module `sigabrt.c.---.wasm`/' \
+    | sed -e 's/failed to invoke.*/failed to invoke/' \
     | sed -e 's/source location: @[[:xdigit:]]*$/source location: @----/' \
     | head -n 6
diff --git a/tests/run.sh b/tests/run.sh
index 080eeae..bc8dd4d 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -17,17 +17,8 @@ wasi_sdk="$1"
 # Determine the wasm runtime to use, if one is provided.
 if [ $# -gt 1 ]; then
     runwasi="$2"
-    if [ $# -gt 3 ]; then
-        adapter="$3"
-        wasm_tools="$4"
-    else
-        adapter=""
-        wasm_tools=""
-    fi
 else
     runwasi=""
-    adapter=""
-    wasm_tools=""
 fi
 
 testdir=$(dirname $0)
@@ -45,13 +36,13 @@ for target in $TARGETS; do
         echo "===== Testing compile-only with $options ====="
         for file in *.c; do
             echo "Testing compile-only $file..."
-            ../testcase.sh "$target" "" "" "" "$wasi_sdk/bin/clang" "$options --target=$target" "$file"
-            ../testcase.sh "$target" "" "" "" "$wasi_sdk/bin/$target-clang" "$options" "$file"
+            ../testcase.sh "$target" "" "$wasi_sdk/bin/clang" "$options --target=$target" "$file"
+            ../testcase.sh "$target" "" "$wasi_sdk/bin/$target-clang" "$options" "$file"
         done
         for file in *.cc; do
             echo "Testing compile-only $file..."
-            ../testcase.sh "$target" "" "" "" "$wasi_sdk/bin/clang++" "$options --target=$target -fno-exceptions" "$file"
-            ../testcase.sh "$target" "" "" "" "$wasi_sdk/bin/$target-clang++" "$options -fno-exceptions" "$file"
+            ../testcase.sh "$target" "" "$wasi_sdk/bin/clang++" "$options --target=$target -fno-exceptions" "$file"
+            ../testcase.sh "$target" "" "$wasi_sdk/bin/$target-clang++" "$options -fno-exceptions" "$file"
         done
     done
     cd - >/dev/null
@@ -61,13 +52,13 @@ for target in $TARGETS; do
         echo "===== Testing with $options ====="
         for file in *.c; do
             echo "Testing $file..."
-            ../testcase.sh "$target" "$runwasi" "$adapter" "$wasm_tools" "$wasi_sdk/bin/clang" "$options --target=$target" "$file"
-            ../testcase.sh "$target" "$runwasi" "$adapter" "$wasm_tools" "$wasi_sdk/bin/$target-clang" "$options" "$file"
+            ../testcase.sh "$target" "$runwasi" "$wasi_sdk/bin/clang" "$options --target=$target" "$file"
+            ../testcase.sh "$target" "$runwasi" "$wasi_sdk/bin/$target-clang" "$options" "$file"
         done
         for file in *.cc; do
             echo "Testing $file..."
-            ../testcase.sh "$target" "$runwasi" "$adapter" "$wasm_tools" "$wasi_sdk/bin/clang++" "$options --target=$target -fno-exceptions" "$file"
-            ../testcase.sh "$target" "$runwasi" "$adapter" "$wasm_tools" "$wasi_sdk/bin/$target-clang++" "$options -fno-exceptions" "$file"
+            ../testcase.sh "$target" "$runwasi" "$wasi_sdk/bin/clang++" "$options --target=$target -fno-exceptions" "$file"
+            ../testcase.sh "$target" "$runwasi" "$wasi_sdk/bin/$target-clang++" "$options -fno-exceptions" "$file"
         done
     done
     cd - >/dev/null
diff --git a/tests/testcase.sh b/tests/testcase.sh
index 61c6612..3d88604 100755
--- a/tests/testcase.sh
+++ b/tests/testcase.sh
@@ -8,18 +8,15 @@ set -ueo pipefail
 # script, so don't do anything fancy.
 target="$1"
 runwasi="$2"
-adapter="$3"
-wasm_tools="$4"
-compiler="$5"
-options="$6"
-input="$7"
+compiler="$3"
+options="$4"
+input="$5"
 
 # Compile names for generated files.
 wasm="$input.$options.wasm"
 stdout_observed="$input.$options.stdout.observed"
 stderr_observed="$input.$options.stderr.observed"
 exit_status_observed="$input.$options.exit_status.observed"
-run_args=""
 
 # Optionally load compiler options from a file.
 if [ -e "$input.options" ]; then
@@ -44,11 +41,6 @@ if [ "$runwasi" == "" ]; then
     exit 0
 fi
 
-if [ "$target" == "wasm32-wasip2" -a -n "$adapter" -a -n "$wasm_tools" ]; then
-    "$wasm_tools" component new --adapt "$adapter" "$wasm" -o "$wasm"
-    run_args="--wasm component-model"
-fi
-
 # Determine the input file to write to stdin.
 if [ -e "$input.stdin" ]; then
   stdin="$input.stdin"
@@ -74,7 +66,7 @@ fi
 
 # Run the test, capturing stdout, stderr, and the exit status.
 exit_status=0
-"$runwasi" $run_args $env $dir "$wasm" $dirarg \
+"$runwasi" $env $dir "$wasm" $dirarg \
     < "$stdin" \
     > "$stdout_observed" \
     2> "$stderr_observed" \