diff --git a/AGENTS.md b/AGENTS.md
index 31f8864..1637b52 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -37,7 +37,7 @@ cmake --build build --config Release -j8
 #   build/ChromaFlock_artefacts/Release/Standalone/ChromaFlock.app
 ```
 
-Plugins auto-copy to system folders via `COPY_PLUGIN_AFTER_BUILD TRUE`.
+Build does NOT install; `make install` (Makefile) copies VST3/AU to system folders. `COPY_PLUGIN_AFTER_BUILD FALSE`.
 
 ## CMake Configuration
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 72db57c..26b8b42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,15 +33,12 @@ juce_add_binary_data(ChromaFlockBinaryData
 
 if(APPLE)
     set(CHROMAFLOCK_FORMATS VST3 AU Standalone)
-    set(CHROMAFLOCK_COPY TRUE)
     set(CHROMAFLOCK_AU_MAIN_TYPE AU_MAIN_TYPE kAudioUnitType_MusicDevice)
 elseif(WIN32)
     set(CHROMAFLOCK_FORMATS VST3 Standalone)
-    set(CHROMAFLOCK_COPY FALSE)
     set(CHROMAFLOCK_AU_MAIN_TYPE "")
 else()
     set(CHROMAFLOCK_FORMATS VST3 Standalone)
-    set(CHROMAFLOCK_COPY FALSE)
     set(CHROMAFLOCK_AU_MAIN_TYPE "")
 endif()
 
@@ -55,7 +52,7 @@ juce_add_plugin(ChromaFlock
     NEEDS_MIDI_INPUT TRUE
     IS_MIDI_EFFECT FALSE
     EDITOR_WANTS_KEYBOARD_FOCUS FALSE
-    COPY_PLUGIN_AFTER_BUILD ${CHROMAFLOCK_COPY}
+    COPY_PLUGIN_AFTER_BUILD FALSE
     VST3_CATEGORIES Synth
     ${CHROMAFLOCK_AU_MAIN_TYPE}
     DESCRIPTION "Subtractive Synthesizer"
diff --git a/Makefile b/Makefile
index 58bc0ba..8e989c0 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 #   make debug      — configure + build Debug
 #   make clean      — remove build directory
 #   make rebuild    — clean + build Release
-#   make install    — build + copy plugins to system dirs
+#   make install    — build + copy plugins to system dirs (make itself never installs)
 #   make run        — build Standalone and launch
 #   make help       — show help
 
@@ -21,7 +21,6 @@ else
 endif
 
 # Artefact paths
-VST3  := $(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/VST3/ChromaFlock.vst3
 ifeq ($(UNAME_S),Darwin)
   APP := $(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/Standalone/ChromaFlock.app
 else
@@ -32,16 +31,14 @@ endif
 
 all: release
 
-release: $(VST3)
-
-debug:
-	@cmake -B $(BUILD_DIR) -DCMAKE_BUILD_TYPE=Debug $(CMAKE_FLAGS)
-	@cmake --build $(BUILD_DIR) --config Debug -j$(JOBS)
-
-$(VST3):
+release:
 	@cmake -B $(BUILD_DIR) $(CMAKE_FLAGS)
 	@cmake --build $(BUILD_DIR) --config $(BUILD_TYPE) -j$(JOBS)
 
+debug:
+	@cmake -B $(BUILD_DIR) -DCMAKE_BUILD_TYPE=Debug
+	@cmake --build $(BUILD_DIR) --config Debug -j$(JOBS)
+
 configure:
 	@cmake -B $(BUILD_DIR) $(CMAKE_FLAGS)
 
@@ -52,18 +49,23 @@ rebuild: clean all
 
 install: all
 ifeq ($(UNAME_S),Darwin)
-	@echo "Plugins were copied to system folders by CMAKE_COPY_PLUGIN_AFTER_BUILD."
-	@echo "VST3: ~/Library/Audio/Plug-Ins/VST3/"
-	@echo "AU:   ~/Library/Audio/Plug-Ins/Components/"
+	@mkdir -p "$(HOME)/Library/Audio/Plug-Ins/VST3" "$(HOME)/Library/Audio/Plug-Ins/Components"
+	@rm -rf "$(HOME)/Library/Audio/Plug-Ins/VST3/ChromaFlock.vst3"
+	@cp -R "$(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/VST3/ChromaFlock.vst3" "$(HOME)/Library/Audio/Plug-Ins/VST3/"
+	@rm -rf "$(HOME)/Library/Audio/Plug-Ins/Components/ChromaFlock.component"
+	@cp -R "$(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/AU/ChromaFlock.component" "$(HOME)/Library/Audio/Plug-Ins/Components/"
+	@echo "Installed VST3 to ~/Library/Audio/Plug-Ins/VST3/"
+	@echo "Installed AU   to ~/Library/Audio/Plug-Ins/Components/"
 else ifeq ($(UNAME_S),Linux)
-	@mkdir -p ~/.vst3
-	@cp -r $(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/VST3/ChromaFlock.vst3 ~/.vst3/
+	@mkdir -p $(HOME)/.vst3
+	@rm -rf $(HOME)/.vst3/ChromaFlock.vst3
+	@cp -r $(BUILD_DIR)/ChromaFlock_artefacts/$(BUILD_TYPE)/VST3/ChromaFlock.vst3 $(HOME)/.vst3/
 	@echo "Installed ChromaFlock.vst3 to ~/.vst3/"
 else
 	@echo "Install paths unknown for this platform."
 endif
 
-run: $(APP)
+run: release
 ifeq ($(UNAME_S),Darwin)
 	open "$(APP)"
 else
@@ -78,6 +80,6 @@ help:
 	@echo "  make clean      — Remove build/"
 	@echo "  make rebuild    — Clean + Build Release"
 	@echo "  make configure  — Run CMake configure only"
-	@echo "  make install    — Install VST3 to system dir"
+	@echo "  make install    — Install VST3 + AU to system dirs"
 	@echo "  make run        — Build and launch Standalone app"
 	@echo "  make help       — This message"