diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2f0dc94..d31a3f7 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,10 +23,6 @@ jobs:
             version: '1.10'
             lib_subdir: 'x86_64-linux-gnu'
             shim_ext: '.so'
-          - os: macos-latest
-            version: '1.10'
-            lib_subdir: 'aarch64-apple-darwin'
-            shim_ext: '.dylib'
     steps:
       - uses: actions/checkout@v4
 
@@ -58,13 +54,6 @@ jobs:
         run: |
           gcc -shared -fPIC -o lib/ext/shared/${{ matrix.lib_subdir }}/libModelicaCallbacks.so src/modelica_callbacks.c -ldl
 
-      - name: Build ModelicaCallbacks shim (macOS)
-        if: runner.os == 'macOS'
-        shell: bash
-        run: |
-          mkdir -p lib/ext/shared/${{ matrix.lib_subdir }}
-          cc -dynamiclib -fPIC -o lib/ext/shared/${{ matrix.lib_subdir }}/libModelicaCallbacks.dylib src/modelica_callbacks.c -ldl
-
       - name: Build ModelicaCallbacks shim (Windows)
         if: runner.os == 'Windows'
         shell: bash
@@ -88,16 +77,6 @@ jobs:
             Pkg.test()
           '
 
-      - name: Run tests (macOS)
-        if: runner.os == 'macOS'
-        shell: bash
-        run: |
-          export DYLD_LIBRARY_PATH="$(pwd)/lib/ext/shared/${{ matrix.lib_subdir }}:${DYLD_LIBRARY_PATH}"
-          julia --color=yes --project -e '
-            import Pkg
-            Pkg.test()
-          '
-
       - name: Run tests (Windows)
         if: runner.os == 'Windows'
         shell: bash
diff --git a/src/api.jl b/src/api.jl
index 33c69da..df36d73 100644
--- a/src/api.jl
+++ b/src/api.jl
@@ -1150,3 +1150,22 @@ function ModelicaStreams_closeFile(fileName::String)
   rc != 0 && error("ModelicaStreams_closeFile failed: ", get_modelica_error())
   return nothing
 end
+
+function ModelicaError(msg::Cstring)
+  error("Modelica runtime error: " * unsafe_string(msg))
+end
+
+function ModelicaError(msg::String)
+  error("Modelica runtime error: " * msg)
+end
+
+function ModelicaFFT_kiss_fftr(nfft::Cint, timeIn::Ptr{Cdouble}, nTime::Csize_t,
+                                f_re::Ptr{Cdouble}, f_im::Ptr{Cdouble}, nf::Csize_t)
+  error("ModelicaFFT_kiss_fftr: FFT support not compiled into this build")
+end
+
+function ModelicaRandom_xorshift1024star(state_in::Ptr{Cint}, nState_in::Csize_t,
+                                          state_out::Ptr{Cint}, nState_out::Csize_t,
+                                          result::Ptr{Cdouble})
+  error("ModelicaRandom_xorshift1024star: random support not compiled into this build")
+end