diff --git a/src/plugins/git/gitsettings.cpp b/src/plugins/git/gitsettings.cpp
index ce9bb5589ba..eee0c534519 100644
--- a/src/plugins/git/gitsettings.cpp
+++ b/src/plugins/git/gitsettings.cpp
@@ -39,7 +39,6 @@ const QLatin1String GitSettings::ignoreSpaceChangesInDiffKey("SpaceIgnorantDiff"
 const QLatin1String GitSettings::ignoreSpaceChangesInBlameKey("SpaceIgnorantBlame");
 const QLatin1String GitSettings::diffPatienceKey("DiffPatience");
 const QLatin1String GitSettings::winSetHomeEnvironmentKey("WinSetHomeEnvironment");
-const QLatin1String GitSettings::showPrettyFormatKey("DiffPrettyFormat");
 const QLatin1String GitSettings::gitkOptionsKey("GitKOptions");
 const QLatin1String GitSettings::logDiffKey("LogDiff");
 const QLatin1String GitSettings::repositoryBrowserCmd("RepositoryBrowserCmd");
@@ -61,7 +60,6 @@ GitSettings::GitSettings()
     declareKey(diffPatienceKey, true);
     declareKey(winSetHomeEnvironmentKey, true);
     declareKey(gitkOptionsKey, QString());
-    declareKey(showPrettyFormatKey, 2);
     declareKey(logDiffKey, false);
     declareKey(repositoryBrowserCmd, QString());
     declareKey(graphLogKey, false);
diff --git a/src/plugins/git/gitsettings.h b/src/plugins/git/gitsettings.h
index ec31d2ed943..ea949a030d6 100644
--- a/src/plugins/git/gitsettings.h
+++ b/src/plugins/git/gitsettings.h
@@ -50,7 +50,6 @@ public:
     static const QLatin1String ignoreSpaceChangesInBlameKey;
     static const QLatin1String diffPatienceKey;
     static const QLatin1String winSetHomeEnvironmentKey;
-    static const QLatin1String showPrettyFormatKey;
     static const QLatin1String gitkOptionsKey;
     static const QLatin1String logDiffKey;
     static const QLatin1String repositoryBrowserCmd;