diff --git a/dts-dao/.settings/org.eclipse.core.resources.prefs b/dts-dao/.settings/org.eclipse.core.resources.prefs
deleted file mode 100644
index 365bbd6..0000000
--- a/dts-dao/.settings/org.eclipse.core.resources.prefs
+++ /dev/null
@@ -1,5 +0,0 @@
-eclipse.preferences.version=1
-encoding//src/main/java=UTF-8
-encoding//src/main/resources=UTF-8
-encoding//src/test/java=UTF-8
-encoding/<project>=UTF-8
diff --git a/dts-dao/.settings/org.eclipse.jdt.core.prefs b/dts-dao/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 087f3ac..0000000
--- a/dts-dao/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,7 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.methodParameters=generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
diff --git a/dts-dao/.settings/org.eclipse.m2e.core.prefs b/dts-dao/.settings/org.eclipse.m2e.core.prefs
deleted file mode 100644
index 14b697b..0000000
--- a/dts-dao/.settings/org.eclipse.m2e.core.prefs
+++ /dev/null
@@ -1,4 +0,0 @@
-activeProfiles=
-eclipse.preferences.version=1
-resolveWorkspaceProjects=true
-version=1