diff --git a/src/pulsecore/sink-input.h b/src/pulsecore/sink-input.h
index 38bad3566..a2330fa42 100644
--- a/src/pulsecore/sink-input.h
+++ b/src/pulsecore/sink-input.h
@@ -29,7 +29,6 @@ typedef struct pa_sink_input pa_sink_input;
 
 #include <pulse/sample.h>
 #include <pulse/format.h>
-#include <pulsecore/hook-list.h>
 #include <pulsecore/memblockq.h>
 #include <pulsecore/resampler.h>
 #include <pulsecore/module.h>
diff --git a/src/pulsecore/source-output.h b/src/pulsecore/source-output.h
index 4bcddbaf4..cd4b0d0f7 100644
--- a/src/pulsecore/source-output.h
+++ b/src/pulsecore/source-output.h
@@ -27,12 +27,13 @@
 typedef struct pa_source_output pa_source_output;
 
 #include <pulse/sample.h>
-#include <pulsecore/source.h>
 #include <pulse/format.h>
 #include <pulsecore/memblockq.h>
 #include <pulsecore/resampler.h>
 #include <pulsecore/module.h>
 #include <pulsecore/client.h>
+#include <pulsecore/source.h>
+#include <pulsecore/core.h>
 #include <pulsecore/sink-input.h>
 
 typedef enum pa_source_output_state {