diff --git a/platform/projectModel-impl/src/com/intellij/util/io/path.kt b/platform/projectModel-impl/src/com/intellij/util/io/path.kt
index 712ca78a0347..5d848030323a 100644
--- a/platform/projectModel-impl/src/com/intellij/util/io/path.kt
+++ b/platform/projectModel-impl/src/com/intellij/util/io/path.kt
@@ -223,50 +223,4 @@ inline fun <R> Path.directoryStreamIfExists(noinline filter: ((path: Path) -> Bo
   return null
 }
 
-private val LOG = Logger.getInstance("#com.intellij.openapi.util.io.FileUtil")
-
-class PathMatcherEx(pattern: String) : PathMatcher {
-  private val matcher: PathMatcher
-
-  val negate = pattern.startsWith('!')
-  val rawPattern: String
-
-  init {
-    rawPattern = if (negate) pattern.substring(1) else pattern
-    matcher = FileSystems.getDefault().getPathMatcher("glob:$rawPattern")
-  }
-
-  override fun matches(path: Path) = if (negate) !matcher.matches(path) else matcher.matches(path)
-
-  override fun equals(other: Any?): Boolean {
-    if (this === other) return true
-    if (other?.javaClass != javaClass) return false
-
-    other as PathMatcherEx
-
-    if (negate != other.negate) return false
-    if (rawPattern != other.rawPattern) return false
-
-    return true
-  }
-
-  override fun hashCode(): Int {
-    var result = negate.hashCode()
-    result = 31 * result + rawPattern.hashCode()
-    return result
-  }
-}
-
-fun minimatchAll(path: Path, patterns: List<PathMatcherEx>): Boolean {
-  var match = false
-  for (pattern in patterns) {
-    // If we've got a match, only re-test for exclusions.
-    // if we don't have a match, only re-test for inclusions.
-    if (match !== pattern.negate) {
-      continue
-    }
-
-    match = pattern.matches(path)
-  }
-  return match
-}
\ No newline at end of file
+private val LOG = Logger.getInstance("#com.intellij.openapi.util.io.FileUtil")
\ No newline at end of file
diff --git a/platform/util/src/com/intellij/util/execution/ParametersListUtil.java b/platform/util/src/com/intellij/util/execution/ParametersListUtil.java
index 2aea48de96fa..8a234ff00489 100644
--- a/platform/util/src/com/intellij/util/execution/ParametersListUtil.java
+++ b/platform/util/src/com/intellij/util/execution/ParametersListUtil.java
@@ -183,6 +183,10 @@ public class ParametersListUtil {
 
   @NotNull
   private static String encode(@NotNull final List<String> parameters) {
+    if (parameters.isEmpty()) {
+      return "";
+    }
+
     final StringBuilder buffer = new StringBuilder();
     for (final String parameter : parameters) {
       if (buffer.length() > 0) {