diff --git a/sdrbase/CMakeLists.txt b/sdrbase/CMakeLists.txt
index 1ad0fc81d..4137015d0 100644
--- a/sdrbase/CMakeLists.txt
+++ b/sdrbase/CMakeLists.txt
@@ -44,8 +44,6 @@ set(sdrbase_SOURCES
     dsp/devicesamplesource.cpp
     dsp/devicesamplesink.cpp
 
-    plugin/plugininterface.cpp
-
     settings/preferences.cpp
     settings/preset.cpp
     settings/mainsettings.cpp
@@ -122,7 +120,6 @@ set(sdrbase_HEADERS
     dsp/devicesamplesink.h
 
     plugin/plugininstancegui.h
-    plugin/plugininterface.h
 
     settings/preferences.h
     settings/preset.h
diff --git a/sdrgui/CMakeLists.txt b/sdrgui/CMakeLists.txt
index 2146018cc..7bd4b71b4 100644
--- a/sdrgui/CMakeLists.txt
+++ b/sdrgui/CMakeLists.txt
@@ -48,6 +48,7 @@ set(sdrgui_SOURCES
     
     plugin/pluginapi.cpp
     plugin/pluginmanager.cpp    
+    plugin/plugininterface.cpp
 )
 
 set(sdrgui_HEADERS
@@ -98,6 +99,7 @@ set(sdrgui_HEADERS
     
     plugin/pluginapi.h
     plugin/pluginmanager.h
+    plugin/plugininterface.h
 )
 
 set(sdrgui_SOURCES
diff --git a/sdrbase/plugin/plugininterface.cpp b/sdrgui/plugin/plugininterface.cpp
similarity index 100%
rename from sdrbase/plugin/plugininterface.cpp
rename to sdrgui/plugin/plugininterface.cpp
diff --git a/sdrbase/plugin/plugininterface.h b/sdrgui/plugin/plugininterface.h
similarity index 100%
rename from sdrbase/plugin/plugininterface.h
rename to sdrgui/plugin/plugininterface.h