diff --git a/compiler/src/dotty/tools/backend/jvm/scalaPrimitives.scala b/compiler/src/dotty/tools/backend/jvm/scalaPrimitives.scala
index 9348093533ca..1fdeacb3c998 100644
--- a/compiler/src/dotty/tools/backend/jvm/scalaPrimitives.scala
+++ b/compiler/src/dotty/tools/backend/jvm/scalaPrimitives.scala
@@ -46,7 +46,7 @@ class DottyPrimitives(ictx: Context) {
    * operation is an array get/set, we inspect the type of the receiver
    * to demux the operation.
    *
-   * @param fun The method symbol
+   * @param app The method symbol
    * @param tpe The type of the receiver object. It is used only for array
    *            operations
    */
diff --git a/compiler/src/dotty/tools/dotc/cc/SepCheck.scala b/compiler/src/dotty/tools/dotc/cc/SepCheck.scala
index 65aa2fdce124..20ff94c4d655 100644
--- a/compiler/src/dotty/tools/dotc/cc/SepCheck.scala
+++ b/compiler/src/dotty/tools/dotc/cc/SepCheck.scala
@@ -455,7 +455,7 @@ class SepCheck(checker: CheckCaptures.CheckerAPI) extends tpd.TreeTraverser:
 
   /** Report a failure where a capability is consumed in a loop.
    *  @param ref     the capability
-   *  @param loc     the position where the capability was consumed
+   *  @param pos     the position where the capability was consumed
    */
   def consumeInLoopError(ref: Capability, pos: SrcPos)(using Context): Unit =
     report.error(
diff --git a/compiler/src/dotty/tools/dotc/cc/Synthetics.scala b/compiler/src/dotty/tools/dotc/cc/Synthetics.scala
index a32cb76fc127..1277edddcae9 100644
--- a/compiler/src/dotty/tools/dotc/cc/Synthetics.scala
+++ b/compiler/src/dotty/tools/dotc/cc/Synthetics.scala
@@ -58,7 +58,7 @@ object Synthetics:
 
   /** Transform the type of a method either to its type under capture checking
    *  or back to its previous type.
-   *  @param  sym  The method to transform @pre needsTransform(sym) must hold.
+   *  @param  symd The method to transform @pre needsTransform(sym) must hold.
    *  @param  info The possibly already mapped info of sym
    */
   def transform(symd: SymDenotation, info: Type)(using Context): SymDenotation =
diff --git a/compiler/src/dotty/tools/dotc/inlines/Inlines.scala b/compiler/src/dotty/tools/dotc/inlines/Inlines.scala
index 83cdb5c1b26c..2dd86132fb97 100644
--- a/compiler/src/dotty/tools/dotc/inlines/Inlines.scala
+++ b/compiler/src/dotty/tools/dotc/inlines/Inlines.scala
@@ -96,7 +96,6 @@ object Inlines:
    *  inline depth is exceeded.
    *
    *  @param tree   The call to inline
-   *  @param pt     The expected type of the call.
    *  @return   An `Inlined` node that refers to the original call and the inlined bindings
    *            and body that replace it.
    */
diff --git a/compiler/src/dotty/tools/dotc/transform/AccessProxies.scala b/compiler/src/dotty/tools/dotc/transform/AccessProxies.scala
index 820651f0ce04..cbf3437cdaad 100644
--- a/compiler/src/dotty/tools/dotc/transform/AccessProxies.scala
+++ b/compiler/src/dotty/tools/dotc/transform/AccessProxies.scala
@@ -132,7 +132,6 @@ abstract class AccessProxies {
       *  access with a reference to the accessor.
       *
       *  @param reference    The original reference to the non-public symbol
-      *  @param onLHS        The reference is on the left-hand side of an assignment
       */
     def useAccessor(reference: RefTree)(using Context): Tree = {
       val accessed = reference.symbol.asTerm
diff --git a/compiler/src/dotty/tools/dotc/transform/init/Objects.scala b/compiler/src/dotty/tools/dotc/transform/init/Objects.scala
index f844bb9f36a9..474ec4de7962 100644
--- a/compiler/src/dotty/tools/dotc/transform/init/Objects.scala
+++ b/compiler/src/dotty/tools/dotc/transform/init/Objects.scala
@@ -498,7 +498,7 @@ class Objects(using Context @constructorOnly):
     /**
      * The main procedure for searching through the outer chain
      * @param target The symbol to search for if `bySymbol = true`; otherwise the method symbol of the target environment
-     * @param scopeSet The set of scopes as starting point
+     * @param envSet The set of scopes as starting point
      * @return The scopes that contains symbol `target` or whose method is `target`,
      *         and the value for `C.this` where C is the enclosing class of the result scopes
      */
diff --git a/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala b/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala
index 685721b7d575..9d1b644c02cc 100644
--- a/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala
+++ b/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala
@@ -304,7 +304,7 @@ object SpaceEngine {
 
   /** Is this an `'{..}` or `'[..]` irrefutable quoted patterns?
    *  @param  body The body of the quoted pattern
-   *  @param  bodyPt The scrutinee body type
+   *  @param  pt The scrutinee body type
    */
   def isIrrefutableQuotePattern(pat: QuotePattern, pt: Type)(using Context): Boolean = {
     if pat.body.isType then pat.bindings.isEmpty && pt =:= pat.tpe