diff --git a/changelog_unreleased/typescript/19212.md b/changelog_unreleased/typescript/19212.md
new file mode 100644
index 000000000..5ae4fea7e
--- /dev/null
+++ b/changelog_unreleased/typescript/19212.md
@@ -0,0 +1,25 @@
+#### Avoid unnecessary semicolon before call signatures in `no-semi` mode (#19212 by @fisker)
+
+<!-- prettier-ignore -->
+```tsx
+// Input
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>
+  (a: string): Promise<string>
+}
+
+// Prettier stable (--no-semi)
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>;
+  (a: string): Promise<string>
+}
+
+// Prettier main
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  anotherMethod: (a: string) => Promise<string>
+  (a: string): Promise<string>
+}
+```
diff --git a/src/language-js/print/class-body.js b/src/language-js/print/class-body.js
index b38fce42b..02b71cc3c 100644
--- a/src/language-js/print/class-body.js
+++ b/src/language-js/print/class-body.js
@@ -323,6 +323,10 @@ function shouldPrintSemicolonAfterInterfaceProperty(
 
   switch (nextNode.type) {
     case "TSCallSignatureDeclaration":
+      if (node.type === "TSPropertySignature" && node.typeAnnotation) {
+        return false;
+      }
+
       return true;
   }
 
diff --git a/tests/format/typescript/interface/no-semi/18858.ts b/tests/format/typescript/interface/no-semi/18858.ts
new file mode 100644
index 000000000..a3c6f4782
--- /dev/null
+++ b/tests/format/typescript/interface/no-semi/18858.ts
@@ -0,0 +1,36 @@
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+export type MyType = {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+interface I1 {
+  prop: string;
+  ():string
+}
+type T1 ={
+  prop: string;
+  ():string
+}
+
+interface I2 {
+  prop;
+  ():string
+}
+type T2 ={
+  prop;
+  ():string
+}
+
+interface I3 {
+  prop: Foo;
+  <string>():string
+}
+type T3 ={
+  prop: Foo;
+  <string>():string
+}
diff --git a/tests/format/typescript/interface/no-semi/__snapshots__/format.test.js.snap b/tests/format/typescript/interface/no-semi/__snapshots__/format.test.js.snap
index f5e4d1cf4..a6479ddfc 100644
--- a/tests/format/typescript/interface/no-semi/__snapshots__/format.test.js.snap
+++ b/tests/format/typescript/interface/no-semi/__snapshots__/format.test.js.snap
@@ -174,14 +174,98 @@ type G2 = {
 type G3 = { get: X; foo(): X }
 
 interface H1 {
-  foo: X;
+  foo: X
   <T>(): T
 }
 type H2 = {
-  foo: X;
+  foo: X
   <T>(): T
 }
 type H3 = { foo: X; <T>(): T }
 
 ================================================================================
 `;
+
+exports[`18858.ts - {"semi":false} format 1`] = `
+====================================options=====================================
+parsers: ["typescript"]
+semi: false
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+export type MyType = {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+interface I1 {
+  prop: string;
+  ():string
+}
+type T1 ={
+  prop: string;
+  ():string
+}
+
+interface I2 {
+  prop;
+  ():string
+}
+type T2 ={
+  prop;
+  ():string
+}
+
+interface I3 {
+  prop: Foo;
+  <string>():string
+}
+type T3 ={
+  prop: Foo;
+  <string>():string
+}
+
+=====================================output=====================================
+export interface MyInterface {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+export type MyType = {
+  someMethod: (a: number) => Promise<number>
+  (a: string): Promise<string>
+}
+
+interface I1 {
+  prop: string
+  (): string
+}
+type T1 = {
+  prop: string
+  (): string
+}
+
+interface I2 {
+  prop;
+  (): string
+}
+type T2 = {
+  prop;
+  (): string
+}
+
+interface I3 {
+  prop: Foo
+  <string>(): string
+}
+type T3 = {
+  prop: Foo
+  <string>(): string
+}
+
+================================================================================
+`;