diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 19405db61066..303922719b5b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1169,7 +1169,7 @@ jobs:
     needs: [build-msi-package]
     with:
       # Ensure that version starts with prefix 3.
-      # In the future it can be adapted to compare with with git tag or version set in the project/Build.scala
+      # In the future it can be adapted to compare with git tag or version set in the project/Build.scala
       version: "3."
       java-version: 8
 
diff --git a/compiler/src/dotty/tools/backend/jvm/BCodeBodyBuilder.scala b/compiler/src/dotty/tools/backend/jvm/BCodeBodyBuilder.scala
index 565ad72c0d9d..35b24ab57b00 100644
--- a/compiler/src/dotty/tools/backend/jvm/BCodeBodyBuilder.scala
+++ b/compiler/src/dotty/tools/backend/jvm/BCodeBodyBuilder.scala
@@ -1143,7 +1143,7 @@ trait BCodeBodyBuilder extends BCodeSkelBuilder {
          *       - Every time when generating an ATHROW, a new basic block is started.
          *       - During classfile writing, such basic blocks are found to be dead: no branches go there
          *       - Eliminating dead code would probably require complex shifts in the output byte buffer
-         *       - But there's an easy solution: replace all code in the dead block with with
+         *       - But there's an easy solution: replace all code in the dead block with
          *         `nop; nop; ... nop; athrow`, making sure the bytecode size stays the same
          *       - The corresponding stack frame can be easily generated: on entering a dead the block,
          *         the frame requires a single Throwable on the stack.
diff --git a/compiler/src/dotty/tools/dotc/printing/Printer.scala b/compiler/src/dotty/tools/dotc/printing/Printer.scala
index 297dc31ea94a..9f485ee84cda 100644
--- a/compiler/src/dotty/tools/dotc/printing/Printer.scala
+++ b/compiler/src/dotty/tools/dotc/printing/Printer.scala
@@ -71,7 +71,7 @@ abstract class Printer {
   def changePrec(prec: Precedence)(op: => Text): Text =
     if (prec < this.prec) atPrec(prec) ("(" ~ op ~ ")") else atPrec(prec)(op)
 
-  /** The name, possibly with with namespace suffix if debugNames is set:
+  /** The name, possibly with namespace suffix if debugNames is set:
    *  /L for local names, /V for other term names, /T for type names
    */
   def nameString(name: Name): String
diff --git a/compiler/src/dotty/tools/dotc/typer/Applications.scala b/compiler/src/dotty/tools/dotc/typer/Applications.scala
index 17be2acc7378..6bb95e20fcaf 100644
--- a/compiler/src/dotty/tools/dotc/typer/Applications.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Applications.scala
@@ -1348,7 +1348,7 @@ trait Applications extends Compatibility {
       tree
   }
 
-  /** Is `tp` a unary function type or an overloaded type with with only unary function
+  /** Is `tp` a unary function type or an overloaded type with only unary function
    *  types as alternatives?
    */
   def isUnary(tp: Type)(using Context): Boolean = tp match {
diff --git a/docs/_docs/reference/experimental/better-fors.md b/docs/_docs/reference/experimental/better-fors.md
index 7add425caf51..a4c42c9fb380 100644
--- a/docs/_docs/reference/experimental/better-fors.md
+++ b/docs/_docs/reference/experimental/better-fors.md
@@ -8,7 +8,7 @@ The `betterFors` language extension improves the usability of `for`-comprehensio
 
 The extension is enabled by the language import `import scala.language.experimental.betterFors` or by setting the command line option `-language:experimental.betterFors`.
 
-The biggest user facing change is the new ability to start `for`-comprehensions with with aliases. This means that the following previously invalid code is now valid:
+The biggest user facing change is the new ability to start `for`-comprehensions with aliases. This means that the following previously invalid code is now valid:
 
 ```scala
 for
diff --git a/tests/pos-with-compiler-cc/backend/jvm/BCodeBodyBuilder.scala b/tests/pos-with-compiler-cc/backend/jvm/BCodeBodyBuilder.scala
index 6f067a0e5ef0..da6d213351b7 100644
--- a/tests/pos-with-compiler-cc/backend/jvm/BCodeBodyBuilder.scala
+++ b/tests/pos-with-compiler-cc/backend/jvm/BCodeBodyBuilder.scala
@@ -1103,7 +1103,7 @@ trait BCodeBodyBuilder extends BCodeSkelBuilder {
          *       - Every time when generating an ATHROW, a new basic block is started.
          *       - During classfile writing, such basic blocks are found to be dead: no branches go there
          *       - Eliminating dead code would probably require complex shifts in the output byte buffer
-         *       - But there's an easy solution: replace all code in the dead block with with
+         *       - But there's an easy solution: replace all code in the dead block with
          *         `nop; nop; ... nop; athrow`, making sure the bytecode size stays the same
          *       - The corresponding stack frame can be easily generated: on entering a dead the block,
          *         the frame requires a single Throwable on the stack.
diff --git a/tests/pos-with-compiler-cc/dotc/printing/Printer.scala b/tests/pos-with-compiler-cc/dotc/printing/Printer.scala
index b9da874cf9ae..eff283b345ce 100644
--- a/tests/pos-with-compiler-cc/dotc/printing/Printer.scala
+++ b/tests/pos-with-compiler-cc/dotc/printing/Printer.scala
@@ -70,7 +70,7 @@ abstract class Printer extends Pure {
   def changePrec(prec: Precedence)(op: => Text): Text =
     if (prec < this.prec) atPrec(prec) ("(" ~ op ~ ")") else atPrec(prec)(op)
 
-  /** The name, possibly with with namespace suffix if debugNames is set:
+  /** The name, possibly with namespace suffix if debugNames is set:
    *  /L for local names, /V for other term names, /T for type names
    */
   def nameString(name: Name): String
diff --git a/tests/pos-with-compiler-cc/dotc/typer/Applications.scala b/tests/pos-with-compiler-cc/dotc/typer/Applications.scala
index aed6c55f8ad8..6ffbf0465120 100644
--- a/tests/pos-with-compiler-cc/dotc/typer/Applications.scala
+++ b/tests/pos-with-compiler-cc/dotc/typer/Applications.scala
@@ -1182,7 +1182,7 @@ trait Applications extends Compatibility {
       tree
   }
 
-  /** Is `tp` a unary function type or an overloaded type with with only unary function
+  /** Is `tp` a unary function type or an overloaded type with only unary function
    *  types as alternatives?
    */
   def isUnary(tp: Type)(using Context): Boolean = tp match {