diff --git a/config.c b/config.c
index 487cb90..63b4809 100644
--- a/config.c
+++ b/config.c
@@ -7,16 +7,10 @@
 
 #include <dlfcn.h>
 
-#include "color.h"
-
-#include "decoration.h"
-#include "decorations/background.h"
-#include "decorations/stack.h"
-#include "decorations/underline.h"
-
 #include "bar.h"
-#include "module.h"
+#include "color.h"
 #include "config-verify.h"
+#include "module.h"
 #include "plugin.h"
 
 static uint8_t
diff --git a/decorations/CMakeLists.txt b/decorations/CMakeLists.txt
index 3d5a52b..dd06e9d 100644
--- a/decorations/CMakeLists.txt
+++ b/decorations/CMakeLists.txt
@@ -6,13 +6,13 @@ target_include_directories(decoration-sdk INTERFACE ${CAIRO_INCLUDE_DIRS})
 
 set(CMAKE_SHARED_MODULE_PREFIX decoration_)
 
-add_library(background MODULE background.c background.h)
+add_library(background MODULE background.c)
 target_link_libraries(background decoration-sdk)
 
-add_library(stack MODULE stack.c stack.h)
+add_library(stack MODULE stack.c)
 target_link_libraries(stack decoration-sdk)
 
-add_library(underline MODULE underline.c underline.h)
+add_library(underline MODULE underline.c)
 target_link_libraries(underline decoration-sdk)
 
 install(
diff --git a/decorations/background.c b/decorations/background.c
index ce9d5ec..0a0c218 100644
--- a/decorations/background.c
+++ b/decorations/background.c
@@ -1,9 +1,8 @@
-#include "background.h"
-
 #include <stdlib.h>
 
 #include "../config.h"
 #include "../config-verify.h"
+#include "../decoration.h"
 
 struct private {
     struct rgba color;
diff --git a/decorations/background.h b/decorations/background.h
deleted file mode 100644
index b926e2f..0000000
--- a/decorations/background.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-
-#include "../color.h"
-#include "../decoration.h"
-
-struct deco *deco_background(struct rgba color);
diff --git a/decorations/stack.c b/decorations/stack.c
index cc97b13..38d3a74 100644
--- a/decorations/stack.c
+++ b/decorations/stack.c
@@ -1,11 +1,10 @@
-#include "underline.h"
-
 #include <stdlib.h>
 
 #define LOG_MODULE "stack"
 #include "../log.h"
 #include "../config.h"
 #include "../config-verify.h"
+#include "../decoration.h"
 
 struct private {
     struct deco **decos;
diff --git a/decorations/stack.h b/decorations/stack.h
deleted file mode 100644
index ab0380a..0000000
--- a/decorations/stack.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-
-#include "../color.h"
-#include "../decoration.h"
-
-struct deco *deco_stack(struct deco *decos[], size_t count);
diff --git a/decorations/underline.c b/decorations/underline.c
index c0e7afa..838f9a0 100644
--- a/decorations/underline.c
+++ b/decorations/underline.c
@@ -1,9 +1,8 @@
-#include "underline.h"
-
 #include <stdlib.h>
 
 #include "../config.h"
 #include "../config-verify.h"
+#include "../decoration.h"
 
 struct private {
     int size;
diff --git a/decorations/underline.h b/decorations/underline.h
deleted file mode 100644
index 7b69ef6..0000000
--- a/decorations/underline.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-
-#include "../color.h"
-#include "../decoration.h"
-
-struct deco *deco_underline(int size, struct rgba color);