diff --git a/src/common/processing.h b/src/common/processing.h
new file mode 100644
index 000000000..8bb67be85
--- /dev/null
+++ b/src/common/processing.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#ifndef FF_INCLUDED_common_processing
+#define FF_INCLUDED_common_processing
+
+#include "util/FFstrbuf.h"
+
+void ffProcessAppendStdOut(FFstrbuf* buffer, char* const argv[]);
+
+#endif
diff --git a/src/common/settings.h b/src/common/settings.h
index e0413e608..8980020af 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -23,6 +23,8 @@ typedef union FFvariant
     };
 } FFvariant;
 
+#define FF_VARIANT_NULL ((FFvariant){.strValue = NULL})
+
 FFvariant ffSettingsGetDConf(FFinstance* instance, const char* key, FFvarianttype type);
 FFvariant ffSettingsGetGSettings(FFinstance* instance, const char* schemaName, const char* path, const char* key, FFvarianttype type);
 FFvariant ffSettingsGet(FFinstance* instance, const char* dconfKey, const char* gsettingsSchemaName, const char* gsettingsPath, const char* gsettingsKey, FFvarianttype type);
diff --git a/src/detection/displayserver/wmde.c b/src/detection/displayserver/wmde.c
index 796ea2d64..f844e1a3c 100644
--- a/src/detection/displayserver/wmde.c
+++ b/src/detection/displayserver/wmde.c
@@ -2,6 +2,7 @@
 #include "common/io.h"
 #include "common/properties.h"
 #include "common/parsing.h"
+#include "common/processing.h"
 
 #include <stdlib.h>
 #include <ctype.h>
diff --git a/src/detection/terminalShell.c b/src/detection/terminalShell.c
index f408f110a..d4e8e4945 100644
--- a/src/detection/terminalShell.c
+++ b/src/detection/terminalShell.c
@@ -1,6 +1,7 @@
 #include "fastfetch.h"
 #include "common/io.h"
 #include "common/parsing.h"
+#include "common/processing.h"
 
 #include <ctype.h>
 #include <string.h>
diff --git a/src/fastfetch.h b/src/fastfetch.h
index 6eb0d9506..fd1ed0d46 100644
--- a/src/fastfetch.h
+++ b/src/fastfetch.h
@@ -310,8 +310,6 @@ typedef struct FFDateTimeResult
     FFstrbuf secondPretty; //37
 } FFDateTimeResult;
 
-#define FF_VARIANT_NULL ((FFvariant){.strValue = NULL})
-
 //////////////////////
 // Common functions //
 //////////////////////
@@ -326,9 +324,6 @@ void ffListFeatures();
 //common/threading.c
 void ffStartDetectionThreads(FFinstance* instance);
 
-//common/processing.c
-void ffProcessAppendStdOut(FFstrbuf* buffer, char* const argv[]);
-
 //common/networking.c
 void ffNetworkingGetHttp(const char* host, const char* path, uint32_t timeout, FFstrbuf* buffer);
 
diff --git a/src/modules/packages.c b/src/modules/packages.c
index 7f18ed3b4..5b71380c4 100644
--- a/src/modules/packages.c
+++ b/src/modules/packages.c
@@ -3,6 +3,7 @@
 #include "common/properties.h"
 #include "common/printing.h"
 #include "common/settings.h"
+#include "common/processing.h"
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/modules/terminalfont.c b/src/modules/terminalfont.c
index 27859bf33..428e1feac 100644
--- a/src/modules/terminalfont.c
+++ b/src/modules/terminalfont.c
@@ -3,6 +3,7 @@
 #include "common/printing.h"
 #include "common/font.h"
 #include "common/settings.h"
+#include "common/processing.h"
 
 #define FF_TERMFONT_MODULE_NAME "Terminal Font"
 #define FF_TERMFONT_NUM_FORMAT_ARGS 5